/wp-includes/media.php
PHP | 3319 lines | 1644 code | 350 blank | 1325 comment | 326 complexity | 38e6ebee1ab338bc64828ad5aed23bb6 MD5 | raw file
Possible License(s): LGPL-2.1, GPL-2.0, LGPL-3.0, AGPL-1.0
- <?php
- /**
- * WordPress API for media display.
- *
- * @package WordPress
- * @subpackage Media
- */
-
- /**
- * Scale down the default size of an image.
- *
- * This is so that the image is a better fit for the editor and theme.
- *
- * The $size parameter accepts either an array or a string. The supported string
- * values are 'thumb' or 'thumbnail' for the given thumbnail size or defaults at
- * 128 width and 96 height in pixels. Also supported for the string value is
- * 'medium' and 'full'. The 'full' isn't actually supported, but any value other
- * than the supported will result in the content_width size or 500 if that is
- * not set.
- *
- * Finally, there is a filter named 'editor_max_image_size', that will be called
- * on the calculated array for width and height, respectively. The second
- * parameter will be the value that was in the $size parameter. The returned
- * type for the hook is an array with the width as the first element and the
- * height as the second element.
- *
- * @since 2.5.0
- * @uses wp_constrain_dimensions() This function passes the widths and the heights.
- *
- * @param int $width Width of the image
- * @param int $height Height of the image
- * @param string|array $size Size of what the result image should be.
- * @param context Could be 'display' (like in a theme) or 'edit' (like inserting into an editor)
- * @return array Width and height of what the result image should resize to.
- */
- function image_constrain_size_for_editor($width, $height, $size = 'medium', $context = null ) {
- global $content_width, $_wp_additional_image_sizes;
-
- if ( ! $context )
- $context = is_admin() ? 'edit' : 'display';
-
- if ( is_array($size) ) {
- $max_width = $size[0];
- $max_height = $size[1];
- }
- elseif ( $size == 'thumb' || $size == 'thumbnail' ) {
- $max_width = intval(get_option('thumbnail_size_w'));
- $max_height = intval(get_option('thumbnail_size_h'));
- // last chance thumbnail size defaults
- if ( !$max_width && !$max_height ) {
- $max_width = 128;
- $max_height = 96;
- }
- }
- elseif ( $size == 'medium' ) {
- $max_width = intval(get_option('medium_size_w'));
- $max_height = intval(get_option('medium_size_h'));
- // if no width is set, default to the theme content width if available
- }
- elseif ( $size == 'large' ) {
- // We're inserting a large size image into the editor. If it's a really
- // big image we'll scale it down to fit reasonably within the editor
- // itself, and within the theme's content width if it's known. The user
- // can resize it in the editor if they wish.
- $max_width = intval(get_option('large_size_w'));
- $max_height = intval(get_option('large_size_h'));
- if ( intval($content_width) > 0 )
- $max_width = min( intval($content_width), $max_width );
- } elseif ( isset( $_wp_additional_image_sizes ) && count( $_wp_additional_image_sizes ) && in_array( $size, array_keys( $_wp_additional_image_sizes ) ) ) {
- $max_width = intval( $_wp_additional_image_sizes[$size]['width'] );
- $max_height = intval( $_wp_additional_image_sizes[$size]['height'] );
- if ( intval($content_width) > 0 && 'edit' == $context ) // Only in admin. Assume that theme authors know what they're doing.
- $max_width = min( intval($content_width), $max_width );
- }
- // $size == 'full' has no constraint
- else {
- $max_width = $width;
- $max_height = $height;
- }
-
- /**
- * Filter the maximum image size dimensions for the editor.
- *
- * @since 2.5.0
- *
- * @param array $max_image_size An array with the width as the first element,
- * and the height as the second element.
- * @param string|array $size Size of what the result image should be.
- * @param string $context The context the image is being resized for.
- * Possible values are 'display' (like in a theme)
- * or 'edit' (like inserting into an editor).
- */
- list( $max_width, $max_height ) = apply_filters( 'editor_max_image_size', array( $max_width, $max_height ), $size, $context );
-
- return wp_constrain_dimensions( $width, $height, $max_width, $max_height );
- }
-
- /**
- * Retrieve width and height attributes using given width and height values.
- *
- * Both attributes are required in the sense that both parameters must have a
- * value, but are optional in that if you set them to false or null, then they
- * will not be added to the returned string.
- *
- * You can set the value using a string, but it will only take numeric values.
- * If you wish to put 'px' after the numbers, then it will be stripped out of
- * the return.
- *
- * @since 2.5.0
- *
- * @param int|string $width Optional. Width attribute value.
- * @param int|string $height Optional. Height attribute value.
- * @return string HTML attributes for width and, or height.
- */
- function image_hwstring($width, $height) {
- $out = '';
- if ($width)
- $out .= 'width="'.intval($width).'" ';
- if ($height)
- $out .= 'height="'.intval($height).'" ';
- return $out;
- }
-
- /**
- * Scale an image to fit a particular size (such as 'thumb' or 'medium').
- *
- * Array with image url, width, height, and whether is intermediate size, in
- * that order is returned on success is returned. $is_intermediate is true if
- * $url is a resized image, false if it is the original.
- *
- * The URL might be the original image, or it might be a resized version. This
- * function won't create a new resized copy, it will just return an already
- * resized one if it exists.
- *
- * A plugin may use the 'image_downsize' filter to hook into and offer image
- * resizing services for images. The hook must return an array with the same
- * elements that are returned in the function. The first element being the URL
- * to the new image that was resized.
- *
- * @since 2.5.0
- *
- * @param int $id Attachment ID for image.
- * @param array|string $size Optional, default is 'medium'. Size of image, either array or string.
- * @return bool|array False on failure, array on success.
- */
- function image_downsize($id, $size = 'medium') {
-
- if ( !wp_attachment_is_image($id) )
- return false;
-
- /**
- * Filter whether to preempt the output of image_downsize().
- *
- * Passing a truthy value to the filter will effectively short-circuit
- * down-sizing the image, returning that value as output instead.
- *
- * @since 2.5.0
- *
- * @param bool $downsize Whether to short-circuit the image downsize. Default false.
- * @param int $id Attachment ID for image.
- * @param array|string $size Size of image, either array or string. Default 'medium'.
- */
- if ( $out = apply_filters( 'image_downsize', false, $id, $size ) ) {
- return $out;
- }
-
- $img_url = wp_get_attachment_url($id);
- $meta = wp_get_attachment_metadata($id);
- $width = $height = 0;
- $is_intermediate = false;
- $img_url_basename = wp_basename($img_url);
-
- // try for a new style intermediate size
- if ( $intermediate = image_get_intermediate_size($id, $size) ) {
- $img_url = str_replace($img_url_basename, $intermediate['file'], $img_url);
- $width = $intermediate['width'];
- $height = $intermediate['height'];
- $is_intermediate = true;
- }
- elseif ( $size == 'thumbnail' ) {
- // fall back to the old thumbnail
- if ( ($thumb_file = wp_get_attachment_thumb_file($id)) && $info = getimagesize($thumb_file) ) {
- $img_url = str_replace($img_url_basename, wp_basename($thumb_file), $img_url);
- $width = $info[0];
- $height = $info[1];
- $is_intermediate = true;
- }
- }
- if ( !$width && !$height && isset( $meta['width'], $meta['height'] ) ) {
- // any other type: use the real image
- $width = $meta['width'];
- $height = $meta['height'];
- }
-
- if ( $img_url) {
- // we have the actual image size, but might need to further constrain it if content_width is narrower
- list( $width, $height ) = image_constrain_size_for_editor( $width, $height, $size );
-
- return array( $img_url, $width, $height, $is_intermediate );
- }
- return false;
-
- }
-
- /**
- * Register a new image size.
- *
- * Cropping behavior for the image size is dependent on the value of $crop:
- * 1. If false (default), images will be scaled, not cropped.
- * 2. If an array in the form of array( x_crop_position, y_crop_position ):
- * - x_crop_position accepts 'left' 'center', or 'right'.
- * - y_crop_position accepts 'top', 'center', or 'bottom'.
- * Images will be cropped to the specified dimensions within the defined crop area.
- * 3. If true, images will be cropped to the specified dimensions using center positions.
- *
- * @since 2.9.0
- *
- * @param string $name Image size identifier.
- * @param int $width Image width in pixels.
- * @param int $height Image height in pixels.
- * @param bool|array $crop Optional. Whether to crop images to specified height and width or resize.
- * An array can specify positioning of the crop area. Default false.
- * @return bool|array False, if no image was created. Metadata array on success.
- */
- function add_image_size( $name, $width = 0, $height = 0, $crop = false ) {
- global $_wp_additional_image_sizes;
-
- $_wp_additional_image_sizes[ $name ] = array(
- 'width' => absint( $width ),
- 'height' => absint( $height ),
- 'crop' => $crop,
- );
- }
-
- /**
- * Check if an image size exists.
- *
- * @since 3.9.0
- *
- * @param string $name The image size to check.
- * @return bool True if the image size exists, false if not.
- */
- function has_image_size( $name ) {
- global $_wp_additional_image_sizes;
-
- return isset( $_wp_additional_image_sizes[ $name ] );
- }
-
- /**
- * Remove a new image size.
- *
- * @since 3.9.0
- *
- * @param string $name The image size to remove.
- * @return bool True if the image size was successfully removed, false on failure.
- */
- function remove_image_size( $name ) {
- global $_wp_additional_image_sizes;
-
- if ( isset( $_wp_additional_image_sizes[ $name ] ) ) {
- unset( $_wp_additional_image_sizes[ $name ] );
- return true;
- }
-
- return false;
- }
-
- /**
- * Registers an image size for the post thumbnail.
- *
- * @since 2.9.0
- * @see add_image_size() for details on cropping behavior.
- *
- * @param int $width Image width in pixels.
- * @param int $height Image height in pixels.
- * @param bool|array $crop Optional. Whether to crop images to specified height and width or resize.
- * An array can specify positioning of the crop area. Default false.
- * @return bool|array False, if no image was created. Metadata array on success.
- */
- function set_post_thumbnail_size( $width = 0, $height = 0, $crop = false ) {
- add_image_size( 'post-thumbnail', $width, $height, $crop );
- }
-
- /**
- * An <img src /> tag for an image attachment, scaling it down if requested.
- *
- * The filter 'get_image_tag_class' allows for changing the class name for the
- * image without having to use regular expressions on the HTML content. The
- * parameters are: what WordPress will use for the class, the Attachment ID,
- * image align value, and the size the image should be.
- *
- * The second filter 'get_image_tag' has the HTML content, which can then be
- * further manipulated by a plugin to change all attribute values and even HTML
- * content.
- *
- * @since 2.5.0
- *
- * @param int $id Attachment ID.
- * @param string $alt Image Description for the alt attribute.
- * @param string $title Image Description for the title attribute.
- * @param string $align Part of the class name for aligning the image.
- * @param string $size Optional. Default is 'medium'.
- * @return string HTML IMG element for given image attachment
- */
- function get_image_tag($id, $alt, $title, $align, $size='medium') {
-
- list( $img_src, $width, $height ) = image_downsize($id, $size);
- $hwstring = image_hwstring($width, $height);
-
- $title = $title ? 'title="' . esc_attr( $title ) . '" ' : '';
-
- $class = 'align' . esc_attr($align) .' size-' . esc_attr($size) . ' wp-image-' . $id;
-
- /**
- * Filter the value of the attachment's image tag class attribute.
- *
- * @since 2.6.0
- *
- * @param string $class CSS class name or space-separated list of classes.
- * @param int $id Attachment ID.
- * @param string $align Part of the class name for aligning the image.
- * @param string $size Optional. Default is 'medium'.
- */
- $class = apply_filters( 'get_image_tag_class', $class, $id, $align, $size );
-
- $html = '<img src="' . esc_attr($img_src) . '" alt="' . esc_attr($alt) . '" ' . $title . $hwstring . 'class="' . $class . '" />';
-
- /**
- * Filter the HTML content for the image tag.
- *
- * @since 2.6.0
- *
- * @param string $html HTML content for the image.
- * @param int $id Attachment ID.
- * @param string $alt Alternate text.
- * @param string $title Attachment title.
- * @param string $align Part of the class name for aligning the image.
- * @param string $size Optional. Default is 'medium'.
- */
- $html = apply_filters( 'get_image_tag', $html, $id, $alt, $title, $align, $size );
-
- return $html;
- }
-
- /**
- * Calculates the new dimensions for a downsampled image.
- *
- * If either width or height are empty, no constraint is applied on
- * that dimension.
- *
- * @since 2.5.0
- *
- * @param int $current_width Current width of the image.
- * @param int $current_height Current height of the image.
- * @param int $max_width Optional. Maximum wanted width.
- * @param int $max_height Optional. Maximum wanted height.
- * @return array First item is the width, the second item is the height.
- */
- function wp_constrain_dimensions( $current_width, $current_height, $max_width=0, $max_height=0 ) {
- if ( !$max_width and !$max_height )
- return array( $current_width, $current_height );
-
- $width_ratio = $height_ratio = 1.0;
- $did_width = $did_height = false;
-
- if ( $max_width > 0 && $current_width > 0 && $current_width > $max_width ) {
- $width_ratio = $max_width / $current_width;
- $did_width = true;
- }
-
- if ( $max_height > 0 && $current_height > 0 && $current_height > $max_height ) {
- $height_ratio = $max_height / $current_height;
- $did_height = true;
- }
-
- // Calculate the larger/smaller ratios
- $smaller_ratio = min( $width_ratio, $height_ratio );
- $larger_ratio = max( $width_ratio, $height_ratio );
-
- if ( intval( $current_width * $larger_ratio ) > $max_width || intval( $current_height * $larger_ratio ) > $max_height )
- // The larger ratio is too big. It would result in an overflow.
- $ratio = $smaller_ratio;
- else
- // The larger ratio fits, and is likely to be a more "snug" fit.
- $ratio = $larger_ratio;
-
- // Very small dimensions may result in 0, 1 should be the minimum.
- $w = max ( 1, intval( $current_width * $ratio ) );
- $h = max ( 1, intval( $current_height * $ratio ) );
-
- // Sometimes, due to rounding, we'll end up with a result like this: 465x700 in a 177x177 box is 117x176... a pixel short
- // We also have issues with recursive calls resulting in an ever-changing result. Constraining to the result of a constraint should yield the original result.
- // Thus we look for dimensions that are one pixel shy of the max value and bump them up
- if ( $did_width && $w == $max_width - 1 )
- $w = $max_width; // Round it up
- if ( $did_height && $h == $max_height - 1 )
- $h = $max_height; // Round it up
-
- return array( $w, $h );
- }
-
- /**
- * Retrieve calculated resize dimensions for use in WP_Image_Editor.
- *
- * Calculates dimensions and coordinates for a resized image that fits
- * within a specified width and height.
- *
- * Cropping behavior is dependent on the value of $crop:
- * 1. If false (default), images will not be cropped.
- * 2. If an array in the form of array( x_crop_position, y_crop_position ):
- * - x_crop_position accepts 'left' 'center', or 'right'.
- * - y_crop_position accepts 'top', 'center', or 'bottom'.
- * Images will be cropped to the specified dimensions within the defined crop area.
- * 3. If true, images will be cropped to the specified dimensions using center positions.
- *
- * @since 2.5.0
- *
- * @param int $orig_w Original width in pixels.
- * @param int $orig_h Original height in pixels.
- * @param int $dest_w New width in pixels.
- * @param int $dest_h New height in pixels.
- * @param bool|array $crop Optional. Whether to crop image to specified height and width or resize.
- * An array can specify positioning of the crop area. Default false.
- * @return bool|array False on failure. Returned array matches parameters for `imagecopyresampled()`.
- */
- function image_resize_dimensions($orig_w, $orig_h, $dest_w, $dest_h, $crop = false) {
-
- if ($orig_w <= 0 || $orig_h <= 0)
- return false;
- // at least one of dest_w or dest_h must be specific
- if ($dest_w <= 0 && $dest_h <= 0)
- return false;
-
- /**
- * Filter whether to preempt calculating the image resize dimensions.
- *
- * Passing a non-null value to the filter will effectively short-circuit
- * image_resize_dimensions(), returning that value instead.
- *
- * @since 3.4.0
- *
- * @param null|mixed $null Whether to preempt output of the resize dimensions.
- * @param int $orig_w Original width in pixels.
- * @param int $orig_h Original height in pixels.
- * @param int $dest_w New width in pixels.
- * @param int $dest_h New height in pixels.
- * @param bool|array $crop Whether to crop image to specified height and width or resize.
- * An array can specify positioning of the crop area. Default false.
- */
- $output = apply_filters( 'image_resize_dimensions', null, $orig_w, $orig_h, $dest_w, $dest_h, $crop );
- if ( null !== $output )
- return $output;
-
- if ( $crop ) {
- // crop the largest possible portion of the original image that we can size to $dest_w x $dest_h
- $aspect_ratio = $orig_w / $orig_h;
- $new_w = min($dest_w, $orig_w);
- $new_h = min($dest_h, $orig_h);
-
- if ( !$new_w ) {
- $new_w = intval($new_h * $aspect_ratio);
- }
-
- if ( !$new_h ) {
- $new_h = intval($new_w / $aspect_ratio);
- }
-
- $size_ratio = max($new_w / $orig_w, $new_h / $orig_h);
-
- $crop_w = round($new_w / $size_ratio);
- $crop_h = round($new_h / $size_ratio);
-
- if ( ! is_array( $crop ) || count( $crop ) !== 2 ) {
- $crop = array( 'center', 'center' );
- }
-
- list( $x, $y ) = $crop;
-
- if ( 'left' === $x ) {
- $s_x = 0;
- } elseif ( 'right' === $x ) {
- $s_x = $orig_w - $crop_w;
- } else {
- $s_x = floor( ( $orig_w - $crop_w ) / 2 );
- }
-
- if ( 'top' === $y ) {
- $s_y = 0;
- } elseif ( 'bottom' === $y ) {
- $s_y = $orig_h - $crop_h;
- } else {
- $s_y = floor( ( $orig_h - $crop_h ) / 2 );
- }
- } else {
- // don't crop, just resize using $dest_w x $dest_h as a maximum bounding box
- $crop_w = $orig_w;
- $crop_h = $orig_h;
-
- $s_x = 0;
- $s_y = 0;
-
- list( $new_w, $new_h ) = wp_constrain_dimensions( $orig_w, $orig_h, $dest_w, $dest_h );
- }
-
- // if the resulting image would be the same size or larger we don't want to resize it
- if ( $new_w >= $orig_w && $new_h >= $orig_h )
- return false;
-
- // the return array matches the parameters to imagecopyresampled()
- // int dst_x, int dst_y, int src_x, int src_y, int dst_w, int dst_h, int src_w, int src_h
- return array( 0, 0, (int) $s_x, (int) $s_y, (int) $new_w, (int) $new_h, (int) $crop_w, (int) $crop_h );
-
- }
-
- /**
- * Resize an image to make a thumbnail or intermediate size.
- *
- * The returned array has the file size, the image width, and image height. The
- * filter 'image_make_intermediate_size' can be used to hook in and change the
- * values of the returned array. The only parameter is the resized file path.
- *
- * @since 2.5.0
- *
- * @param string $file File path.
- * @param int $width Image width.
- * @param int $height Image height.
- * @param bool $crop Optional, default is false. Whether to crop image to specified height and width or resize.
- * @return bool|array False, if no image was created. Metadata array on success.
- */
- function image_make_intermediate_size( $file, $width, $height, $crop = false ) {
- if ( $width || $height ) {
- $editor = wp_get_image_editor( $file );
-
- if ( is_wp_error( $editor ) || is_wp_error( $editor->resize( $width, $height, $crop ) ) )
- return false;
-
- $resized_file = $editor->save();
-
- if ( ! is_wp_error( $resized_file ) && $resized_file ) {
- unset( $resized_file['path'] );
- return $resized_file;
- }
- }
- return false;
- }
-
- /**
- * Retrieve the image's intermediate size (resized) path, width, and height.
- *
- * The $size parameter can be an array with the width and height respectively.
- * If the size matches the 'sizes' metadata array for width and height, then it
- * will be used. If there is no direct match, then the nearest image size larger
- * than the specified size will be used. If nothing is found, then the function
- * will break out and return false.
- *
- * The metadata 'sizes' is used for compatible sizes that can be used for the
- * parameter $size value.
- *
- * The url path will be given, when the $size parameter is a string.
- *
- * If you are passing an array for the $size, you should consider using
- * add_image_size() so that a cropped version is generated. It's much more
- * efficient than having to find the closest-sized image and then having the
- * browser scale down the image.
- *
- * @since 2.5.0
- * @see add_image_size()
- *
- * @param int $post_id Attachment ID for image.
- * @param array|string $size Optional, default is 'thumbnail'. Size of image, either array or string.
- * @return bool|array False on failure or array of file path, width, and height on success.
- */
- function image_get_intermediate_size($post_id, $size='thumbnail') {
- if ( !is_array( $imagedata = wp_get_attachment_metadata( $post_id ) ) )
- return false;
-
- // get the best one for a specified set of dimensions
- if ( is_array($size) && !empty($imagedata['sizes']) ) {
- foreach ( $imagedata['sizes'] as $_size => $data ) {
- // already cropped to width or height; so use this size
- if ( ( $data['width'] == $size[0] && $data['height'] <= $size[1] ) || ( $data['height'] == $size[1] && $data['width'] <= $size[0] ) ) {
- $file = $data['file'];
- list($width, $height) = image_constrain_size_for_editor( $data['width'], $data['height'], $size );
- return compact( 'file', 'width', 'height' );
- }
- // add to lookup table: area => size
- $areas[$data['width'] * $data['height']] = $_size;
- }
- if ( !$size || !empty($areas) ) {
- // find for the smallest image not smaller than the desired size
- ksort($areas);
- foreach ( $areas as $_size ) {
- $data = $imagedata['sizes'][$_size];
- if ( $data['width'] >= $size[0] || $data['height'] >= $size[1] ) {
- // Skip images with unexpectedly divergent aspect ratios (crops)
- // First, we calculate what size the original image would be if constrained to a box the size of the current image in the loop
- $maybe_cropped = image_resize_dimensions($imagedata['width'], $imagedata['height'], $data['width'], $data['height'], false );
- // If the size doesn't match within one pixel, then it is of a different aspect ratio, so we skip it, unless it's the thumbnail size
- if ( 'thumbnail' != $_size && ( !$maybe_cropped || ( $maybe_cropped[4] != $data['width'] && $maybe_cropped[4] + 1 != $data['width'] ) || ( $maybe_cropped[5] != $data['height'] && $maybe_cropped[5] + 1 != $data['height'] ) ) )
- continue;
- // If we're still here, then we're going to use this size
- $file = $data['file'];
- list($width, $height) = image_constrain_size_for_editor( $data['width'], $data['height'], $size );
- return compact( 'file', 'width', 'height' );
- }
- }
- }
- }
-
- if ( is_array($size) || empty($size) || empty($imagedata['sizes'][$size]) )
- return false;
-
- $data = $imagedata['sizes'][$size];
- // include the full filesystem path of the intermediate file
- if ( empty($data['path']) && !empty($data['file']) ) {
- $file_url = wp_get_attachment_url($post_id);
- $data['path'] = path_join( dirname($imagedata['file']), $data['file'] );
- $data['url'] = path_join( dirname($file_url), $data['file'] );
- }
- return $data;
- }
-
- /**
- * Get the available image sizes
- * @since 3.0.0
- * @return array Returns a filtered array of image size strings
- */
- function get_intermediate_image_sizes() {
- global $_wp_additional_image_sizes;
- $image_sizes = array('thumbnail', 'medium', 'large'); // Standard sizes
- if ( isset( $_wp_additional_image_sizes ) && count( $_wp_additional_image_sizes ) )
- $image_sizes = array_merge( $image_sizes, array_keys( $_wp_additional_image_sizes ) );
-
- /**
- * Filter the list of intermediate image sizes.
- *
- * @since 2.5.0
- *
- * @param array $image_sizes An array of intermediate image sizes. Defaults
- * are 'thumbnail', 'medium', 'large'.
- */
- return apply_filters( 'intermediate_image_sizes', $image_sizes );
- }
-
- /**
- * Retrieve an image to represent an attachment.
- *
- * A mime icon for files, thumbnail or intermediate size for images.
- *
- * @since 2.5.0
- *
- * @param int $attachment_id Image attachment ID.
- * @param string $size Optional, default is 'thumbnail'.
- * @param bool $icon Optional, default is false. Whether it is an icon.
- * @return bool|array Returns an array (url, width, height), or false, if no image is available.
- */
- function wp_get_attachment_image_src($attachment_id, $size='thumbnail', $icon = false) {
-
- // get a thumbnail or intermediate image if there is one
- if ( $image = image_downsize($attachment_id, $size) )
- return $image;
-
- $src = false;
-
- if ( $icon && $src = wp_mime_type_icon($attachment_id) ) {
- /** This filter is documented in wp-includes/post.php */
- $icon_dir = apply_filters( 'icon_dir', ABSPATH . WPINC . '/images/media' );
- $src_file = $icon_dir . '/' . wp_basename($src);
- @list($width, $height) = getimagesize($src_file);
- }
- if ( $src && $width && $height )
- return array( $src, $width, $height );
- return false;
- }
-
- /**
- * Get an HTML img element representing an image attachment
- *
- * While $size will accept an array, it is better to register a size with
- * add_image_size() so that a cropped version is generated. It's much more
- * efficient than having to find the closest-sized image and then having the
- * browser scale down the image.
- *
- * @since 2.5.0
- *
- * @see add_image_size()
- * @uses wp_get_attachment_image_src() Gets attachment file URL and dimensions
- *
- * @param int $attachment_id Image attachment ID.
- * @param string $size Optional, default is 'thumbnail'.
- * @param bool $icon Optional, default is false. Whether it is an icon.
- * @param mixed $attr Optional, attributes for the image markup.
- * @return string HTML img element or empty string on failure.
- */
- function wp_get_attachment_image($attachment_id, $size = 'thumbnail', $icon = false, $attr = '') {
-
- $html = '';
- $image = wp_get_attachment_image_src($attachment_id, $size, $icon);
- if ( $image ) {
- list($src, $width, $height) = $image;
- $hwstring = image_hwstring($width, $height);
- if ( is_array($size) )
- $size = join('x', $size);
- $attachment = get_post($attachment_id);
- $default_attr = array(
- 'src' => $src,
- 'class' => "attachment-$size",
- 'alt' => trim(strip_tags( get_post_meta($attachment_id, '_wp_attachment_image_alt', true) )), // Use Alt field first
- );
- if ( empty($default_attr['alt']) )
- $default_attr['alt'] = trim(strip_tags( $attachment->post_excerpt )); // If not, Use the Caption
- if ( empty($default_attr['alt']) )
- $default_attr['alt'] = trim(strip_tags( $attachment->post_title )); // Finally, use the title
-
- $attr = wp_parse_args($attr, $default_attr);
-
- /**
- * Filter the list of attachment image attributes.
- *
- * @since 2.8.0
- *
- * @param mixed $attr Attributes for the image markup.
- * @param int $attachment_id Image attachment ID.
- */
- $attr = apply_filters( 'wp_get_attachment_image_attributes', $attr, $attachment );
- $attr = array_map( 'esc_attr', $attr );
- $html = rtrim("<img $hwstring");
- foreach ( $attr as $name => $value ) {
- $html .= " $name=" . '"' . $value . '"';
- }
- $html .= ' />';
- }
-
- return $html;
- }
-
- /**
- * Adds a 'wp-post-image' class to post thumbnails
- * Uses the begin_fetch_post_thumbnail_html and end_fetch_post_thumbnail_html action hooks to
- * dynamically add/remove itself so as to only filter post thumbnails
- *
- * @since 2.9.0
- * @param array $attr Attributes including src, class, alt, title
- * @return array
- */
- function _wp_post_thumbnail_class_filter( $attr ) {
- $attr['class'] .= ' wp-post-image';
- return $attr;
- }
-
- /**
- * Adds _wp_post_thumbnail_class_filter to the wp_get_attachment_image_attributes filter
- *
- * @since 2.9.0
- */
- function _wp_post_thumbnail_class_filter_add( $attr ) {
- add_filter( 'wp_get_attachment_image_attributes', '_wp_post_thumbnail_class_filter' );
- }
-
- /**
- * Removes _wp_post_thumbnail_class_filter from the wp_get_attachment_image_attributes filter
- *
- * @since 2.9.0
- */
- function _wp_post_thumbnail_class_filter_remove( $attr ) {
- remove_filter( 'wp_get_attachment_image_attributes', '_wp_post_thumbnail_class_filter' );
- }
-
- add_shortcode('wp_caption', 'img_caption_shortcode');
- add_shortcode('caption', 'img_caption_shortcode');
-
- /**
- * The Caption shortcode.
- *
- * Allows a plugin to replace the content that would otherwise be returned. The
- * filter is 'img_caption_shortcode' and passes an empty string, the attr
- * parameter and the content parameter values.
- *
- * The supported attributes for the shortcode are 'id', 'align', 'width', and
- * 'caption'.
- *
- * @since 2.6.0
- *
- * @param array $attr {
- * Attributes of the caption shortcode.
- *
- * @type string $id ID of the div element for the caption.
- * @type string $align Class name that aligns the caption. Default 'alignnone'. Accepts 'alignleft',
- * 'aligncenter', alignright', 'alignnone'.
- * @type int $width The width of the caption, in pixels.
- * @type string $caption The caption text.
- * @type string $class Additional class name(s) added to the caption container.
- * }
- * @param string $content Optional. Shortcode content.
- * @return string HTML content to display the caption.
- */
- function img_caption_shortcode( $attr, $content = null ) {
- // New-style shortcode with the caption inside the shortcode with the link and image tags.
- if ( ! isset( $attr['caption'] ) ) {
- if ( preg_match( '#((?:<a [^>]+>\s*)?<img [^>]+>(?:\s*</a>)?)(.*)#is', $content, $matches ) ) {
- $content = $matches[1];
- $attr['caption'] = trim( $matches[2] );
- }
- }
-
- /**
- * Filter the default caption shortcode output.
- *
- * If the filtered output isn't empty, it will be used instead of generating
- * the default caption template.
- *
- * @since 2.6.0
- *
- * @see img_caption_shortcode()
- *
- * @param string $output The caption output. Default empty.
- * @param array $attr Attributes of the caption shortcode.
- * @param string $content The image element, possibly wrapped in a hyperlink.
- */
- $output = apply_filters( 'img_caption_shortcode', '', $attr, $content );
- if ( $output != '' )
- return $output;
-
- $atts = shortcode_atts( array(
- 'id' => '',
- 'align' => 'alignnone',
- 'width' => '',
- 'caption' => '',
- 'class' => '',
- ), $attr, 'caption' );
-
- $atts['width'] = (int) $atts['width'];
- if ( $atts['width'] < 1 || empty( $atts['caption'] ) )
- return $content;
-
- if ( ! empty( $atts['id'] ) )
- $atts['id'] = 'id="' . esc_attr( $atts['id'] ) . '" ';
-
- $class = trim( 'wp-caption ' . $atts['align'] . ' ' . $atts['class'] );
-
- if ( current_theme_supports( 'html5', 'caption' ) ) {
- return '<figure ' . $atts['id'] . 'style="width: ' . (int) $atts['width'] . 'px;" class="' . esc_attr( $class ) . '">'
- . do_shortcode( $content ) . '<figcaption class="wp-caption-text">' . $atts['caption'] . '</figcaption></figure>';
- }
-
- $caption_width = 10 + $atts['width'];
-
- /**
- * Filter the width of an image's caption.
- *
- * By default, the caption is 10 pixels greater than the width of the image,
- * to prevent post content from running up against a floated image.
- *
- * @since 3.7.0
- *
- * @see img_caption_shortcode()
- *
- * @param int $caption_width Width of the caption in pixels. To remove this inline style,
- * return zero.
- * @param array $atts Attributes of the caption shortcode.
- * @param string $content The image element, possibly wrapped in a hyperlink.
- */
- $caption_width = apply_filters( 'img_caption_shortcode_width', $caption_width, $atts, $content );
-
- $style = '';
- if ( $caption_width )
- $style = 'style="width: ' . (int) $caption_width . 'px" ';
-
- return '<div ' . $atts['id'] . $style . 'class="' . esc_attr( $class ) . '">'
- . do_shortcode( $content ) . '<p class="wp-caption-text">' . $atts['caption'] . '</p></div>';
- }
-
- add_shortcode('gallery', 'gallery_shortcode');
-
- /**
- * The Gallery shortcode.
- *
- * This implements the functionality of the Gallery Shortcode for displaying
- * WordPress images on a post.
- *
- * @since 2.5.0
- *
- * @param array $attr {
- * Attributes of the gallery shortcode.
- *
- * @type string $order Order of the images in the gallery. Default 'ASC'. Accepts 'ASC', 'DESC'.
- * @type string $orderby The field to use when ordering the images. Default 'menu_order ID'.
- * Accepts any valid SQL ORDERBY statement.
- * @type int $id Post ID.
- * @type string $itemtag HTML tag to use for each image in the gallery.
- * Default 'dl', or 'figure' when the theme registers HTML5 gallery support.
- * @type string $icontag HTML tag to use for each image's icon.
- * Default 'dt', or 'div' when the theme registers HTML5 gallery support.
- * @type string $captiontag HTML tag to use for each image's caption.
- * Default 'dd', or 'figcaption' when the theme registers HTML5 gallery support.
- * @type int $columns Number of columns of images to display. Default 3.
- * @type string $size Size of the images to display. Default 'thumbnail'.
- * @type string $ids A comma-separated list of IDs of attachments to display. Default empty.
- * @type string $include A comma-separated list of IDs of attachments to include. Default empty.
- * @type string $exclude A comma-separated list of IDs of attachments to exclude. Default empty.
- * @type string $link What to link each image to. Default empty (links to the attachment page).
- * Accepts 'file', 'none'.
- * }
- * @return string HTML content to display gallery.
- */
- function gallery_shortcode( $attr ) {
- $post = get_post();
-
- static $instance = 0;
- $instance++;
-
- if ( ! empty( $attr['ids'] ) ) {
- // 'ids' is explicitly ordered, unless you specify otherwise.
- if ( empty( $attr['orderby'] ) ) {
- $attr['orderby'] = 'post__in';
- }
- $attr['include'] = $attr['ids'];
- }
-
- /**
- * Filter the default gallery shortcode output.
- *
- * If the filtered output isn't empty, it will be used instead of generating
- * the default gallery template.
- *
- * @since 2.5.0
- *
- * @see gallery_shortcode()
- *
- * @param string $output The gallery output. Default empty.
- * @param array $attr Attributes of the gallery shortcode.
- */
- $output = apply_filters( 'post_gallery', '', $attr );
- if ( $output != '' ) {
- return $output;
- }
-
- // We're trusting author input, so let's at least make sure it looks like a valid orderby statement
- if ( isset( $attr['orderby'] ) ) {
- $attr['orderby'] = sanitize_sql_orderby( $attr['orderby'] );
- if ( ! $attr['orderby'] ) {
- unset( $attr['orderby'] );
- }
- }
-
- $html5 = current_theme_supports( 'html5', 'gallery' );
- $atts = shortcode_atts( array(
- 'order' => 'ASC',
- 'orderby' => 'menu_order ID',
- 'id' => $post ? $post->ID : 0,
- 'itemtag' => $html5 ? 'figure' : 'dl',
- 'icontag' => $html5 ? 'div' : 'dt',
- 'captiontag' => $html5 ? 'figcaption' : 'dd',
- 'columns' => 3,
- 'size' => 'thumbnail',
- 'include' => '',
- 'exclude' => '',
- 'link' => ''
- ), $attr, 'gallery' );
-
- $id = intval( $atts['id'] );
- if ( 'RAND' == $atts['order'] ) {
- $atts['orderby'] = 'none';
- }
-
- if ( ! empty( $atts['include'] ) ) {
- $_attachments = get_posts( array( 'include' => $atts['include'], 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $atts['order'], 'orderby' => $atts['orderby'] ) );
-
- $attachments = array();
- foreach ( $_attachments as $key => $val ) {
- $attachments[$val->ID] = $_attachments[$key];
- }
- } elseif ( ! empty( $atts['exclude'] ) ) {
- $attachments = get_children( array( 'post_parent' => $id, 'exclude' => $atts['exclude'], 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $atts['order'], 'orderby' => $atts['orderby'] ) );
- } else {
- $attachments = get_children( array( 'post_parent' => $id, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $atts['order'], 'orderby' => $atts['orderby'] ) );
- }
-
- if ( empty( $attachments ) ) {
- return '';
- }
-
- if ( is_feed() ) {
- $output = "\n";
- foreach ( $attachments as $att_id => $attachment ) {
- $output .= wp_get_attachment_link( $att_id, $atts['size'], true ) . "\n";
- }
- return $output;
- }
-
- $itemtag = tag_escape( $atts['itemtag'] );
- $captiontag = tag_escape( $atts['captiontag'] );
- $icontag = tag_escape( $atts['icontag'] );
- $valid_tags = wp_kses_allowed_html( 'post' );
- if ( ! isset( $valid_tags[ $itemtag ] ) ) {
- $itemtag = 'dl';
- }
- if ( ! isset( $valid_tags[ $captiontag ] ) ) {
- $captiontag = 'dd';
- }
- if ( ! isset( $valid_tags[ $icontag ] ) ) {
- $icontag = 'dt';
- }
-
- $columns = intval( $atts['columns'] );
- $itemwidth = $columns > 0 ? floor(100/$columns) : 100;
- $float = is_rtl() ? 'right' : 'left';
-
- $selector = "gallery-{$instance}";
-
- $gallery_style = '';
-
- /**
- * Filter whether to print default gallery styles.
- *
- * @since 3.1.0
- *
- * @param bool $print Whether to print default gallery styles.
- * Defaults to false if the theme supports HTML5 galleries.
- * Otherwise, defaults to true.
- */
- if ( apply_filters( 'use_default_gallery_style', ! $html5 ) ) {
- $gallery_style = "
- <style type='text/css'>
- #{$selector} {
- margin: auto;
- }
- #{$selector} .gallery-item {
- float: {$float};
- margin-top: 10px;
- text-align: center;
- width: {$itemwidth}%;
- }
- #{$selector} img {
- border: 2px solid #cfcfcf;
- }
- #{$selector} .gallery-caption {
- margin-left: 0;
- }
- /* see gallery_shortcode() in wp-includes/media.php */
- </style>\n\t\t";
- }
-
- $size_class = sanitize_html_class( $atts['size'] );
- $gallery_div = "<div id='$selector' class='gallery galleryid-{$id} gallery-columns-{$columns} gallery-size-{$size_class}'>";
-
- /**
- * Filter the default gallery shortcode CSS styles.
- *
- * @since 2.5.0
- *
- * @param string $gallery_style Default gallery shortcode CSS styles.
- * @param string $gallery_div Opening HTML div container for the gallery shortcode output.
- */
- $output = apply_filters( 'gallery_style', $gallery_style . $gallery_div );
-
- $i = 0;
- foreach ( $attachments as $id => $attachment ) {
- if ( ! empty( $atts['link'] ) && 'file' === $atts['link'] ) {
- $image_output = wp_get_attachment_link( $id, $atts['size'], false, false );
- } elseif ( ! empty( $atts['link'] ) && 'none' === $atts['link'] ) {
- $image_output = wp_get_attachment_image( $id, $atts['size'], false );
- } else {
- $image_output = wp_get_attachment_link( $id, $atts['size'], true, false );
- }
- $image_meta = wp_get_attachment_metadata( $id );
-
- $orientation = '';
- if ( isset( $image_meta['height'], $image_meta['width'] ) ) {
- $orientation = ( $image_meta['height'] > $image_meta['width'] ) ? 'portrait' : 'landscape';
- }
- $output .= "<{$itemtag} class='gallery-item'>";
- $output .= "
- <{$icontag} class='gallery-icon {$orientation}'>
- $image_output
- </{$icontag}>";
- if ( $captiontag && trim($attachment->post_excerpt) ) {
- $output .= "
- <{$captiontag} class='wp-caption-text gallery-caption'>
- " . wptexturize($attachment->post_excerpt) . "
- </{$captiontag}>";
- }
- $output .= "</{$itemtag}>";
- if ( ! $html5 && $columns > 0 && ++$i % $columns == 0 ) {
- $output .= '<br style="clear: both" />';
- }
- }
-
- if ( ! $html5 && $columns > 0 && $i % $columns !== 0 ) {
- $output .= "
- <br style='clear: both' />";
- }
-
- $output .= "
- </div>\n";
-
- return $output;
- }
-
- /**
- * Output the templates used by playlists.
- *
- * @since 3.9.0
- */
- function wp_underscore_playlist_templates() {
- ?>
- <script type="text/html" id="tmpl-wp-playlist-current-item">
- <# if ( data.image ) { #>
- <img src="{{ data.thumb.src }}"/>
- <# } #>
- <div class="wp-playlist-caption">
- <span class="wp-playlist-item-meta wp-playlist-item-title">“{{ data.title }}”</span>
- <# if ( data.meta.album ) { #><span class="wp-playlist-item-meta wp-playlist-item-album">{{ data.meta.album }}</span><# } #>
- <# if ( data.meta.artist ) { #><span class="wp-playlist-item-meta wp-playlist-item-artist">{{ data.meta.artist }}</span><# } #>
- </div>
- </script>
- <script type="text/html" id="tmpl-wp-playlist-item">
- <div class="wp-playlist-item">
- <a class="wp-playlist-caption" href="{{ data.src }}">
- {{ data.index ? ( data.index + '. ' ) : '' }}
- <# if ( data.caption ) { #>
- {{ data.caption }}
- <# } else { #>
- <span class="wp-playlist-item-title">“{{{ data.title }}}”</span>
- <# if ( data.artists && data.meta.artist ) { #>
- <span class="wp-playlist-item-artist"> — {{ data.meta.artist }}</span>
- <# } #>
- <# } #>
- </a>
- <# if ( data.meta.length_formatted ) { #>
- <div class="wp-playlist-item-length">{{ data.meta.length_formatted }}</div>
- <# } #>
- </div>
- </script>
- <?php
- }
-
- /**
- * Output and enqueue default scripts and styles for playlists.
- *
- * @since 3.9.0
- *
- * @param string $type Type of playlist. Accepts 'audio' or 'video'.
- */
- function wp_playlist_scripts( $type ) {
- wp_enqueue_style( 'wp-mediaelement' );
- wp_enqueue_script( 'wp-playlist' );
- ?>
- <!--[if lt IE 9]><script>document.createElement('<?php echo esc_js( $type ) ?>');</script><![endif]-->
- <?php
- add_action( 'wp_footer', 'wp_underscore_playlist_templates', 0 );
- add_action( 'admin_footer', 'wp_underscore_playlist_templates', 0 );
- }
- add_action( 'wp_playlist_scripts', 'wp_playlist_scripts' );
-
- /**
- * The playlist shortcode.
- *
- * This implements the functionality of the playlist shortcode for displaying
- * a collection of WordPress audio or video files in a post.
- *
- * @since 3.9.0
- *
- * @param array $attr {
- * Array of default playlist attributes.
- *
- * @type string $type Type of playlist to display. Accepts 'audio' or 'video'. Default 'audio'.
- * @type string $order Designates ascending or descending order of items in the playlist.
- * Accepts 'ASC', 'DESC', or 'RAND'. Default 'ASC'.
- * @type string $orderby Any column, or columns, to sort the playlist. If $ids are
- * passed, this defaults to the order of the $ids array ('post__in').
- * Otherwise default is 'menu_order ID'.
- * @type int $id If an explicit $ids array is not present, this parameter
- * will determine which attachments are used for the playlist.
- * Default is the current post ID.
- * @type array $ids Create a playlist out of these explicit attachment IDs. If empty,
- * a playlist will be created from all $type attachments of $id.
- * Default empty.
- * @type array $exclude List of specific attachment IDs to exclude from the playlist. Default empty.
- * @type string $style Playlist style to use. Accepts 'light' or 'dark'. Default 'light'.
- * @type bool $tracklist Whether to show or hide the playlist. Default true.
- * @type bool $tracknumbers Whether to show or hide the numbers next to entries in the playlist. Default true.
- * @type bool $images Show or hide the video or audio thumbnail (Featured Image/post
- * thumbnail). Default true.
- * @type bool $artists Whether to show or hide artist name in the playlist. Default true.
- * }
- *
- * @return string Playlist output. Empty string if the passed type is unsupported.
- */
- function wp_playlist_shortcode( $attr ) {
- global $content_width;
- $post = get_post();
-
- static $instance = 0;
- $instance++;
-
- if ( ! empty( $attr['ids'] ) ) {
- // 'ids' is explicitly ordered, unless you specify otherwise.
- if ( empty( $attr['orderby'] ) ) {
- $attr['orderby'] = 'post__in';
- }
- $attr['include'] = $attr['ids'];
- }
-
- /**
- * Filter the playlist output.
- *
- * Passing a non-empty value to the filter will short-circuit generation
- * of the default playlist output, returning the passed value instead.
- *
- * @since 3.9.0
- *
- * @param string $output Playlist output. Default empty.
- * @param array $attr An array of shortcode attributes.
- */
- $output = apply_filters( 'post_playlist', '', $attr );
- if ( $output != '' ) {
- return $output;
- }
-
- /*
- * We're trusting author input, so let's at least make sure it looks
- * like a valid orderby statement.
- */
- if ( isset( $attr['orderby'] ) ) {
- $attr['orderby'] = sanitize_sql_orderby( $attr['orderby'] );
- if ( ! $attr['orderby'] )
- unset( $attr['orderby'] );
- }
-
- $atts = shortcode_atts( array(
- 'type' => 'audio',
- 'order' => 'ASC',
- 'orderby' => 'menu_order ID',
- 'id' => $post ? $post->ID : 0,
- 'include' => '',
- 'exclude' => '',
- 'style' => 'light',
- 'tracklist' => true,
- 'tracknumbers' => true,
- 'images' => true,
- 'artists' => true
- ), $attr, 'playlist' );
-
- $id = intval( $atts['id'] );
- if ( 'RAND' == $atts['order'] ) {
- $atts['orderby'] = 'none';
- }
-
- $args = array(
- 'post_status' => 'inherit',
- 'post_type' => 'attachment',
- 'post_mime_type' => $atts['type'],
- 'order' => $atts['order'],
- 'orderby' => $atts['orderby']
- );
-
- if ( ! empty( $atts['include'] ) ) {
- $args['include'] = $atts['include'];
- $_attachments = get_posts( $args );
-
- $attachments = array();
- foreach ( $_attachments as $key => $val ) {
- $attachments[$val->ID] = $_attachments[$key];
- }
- } elseif ( ! empty( $atts['exclude'] ) ) {
- $args['post_parent'] = $id;
- $args['exclude'] = $atts['exclude'];
- $attachments = get_children( $args );
- } else {
- $args['post_parent'] = $id;
- $attachments = get_children( $args );
- }
-
- if ( empty( $attachments ) ) {
- return '';
- }
-
- if ( is_feed() ) {
- $output = "\n";
- foreach ( $attachments as $att_id => $attachment ) {
- $output .= wp_get_attachment_link( $att_id ) . "\n";
- }
- return $output;
- }
-
- $outer = 22; // default padding and border of wrapper
-
- $default_width = 640;
- $default_height = 360;
-
- $theme_width = empty( $content_width ) ? $default_width : ( $content_width - $outer );
- $theme_height = empty( $content_width ) ? $default_height : round( ( $default_height * $theme_width ) / $default_width );
-
- $data = array(
- 'type' => $atts['type'],
- // don't pass strings to JSON, will be truthy in JS
- 'tracklist' => wp_validate_boolean( $atts['tracklist'] ),
- 'tracknumbers' => wp_validate_boolean( $atts['tracknumbers'] ),
- 'images' => wp_validate_boolean( $atts['images'] ),
- 'artists' => wp_validate_boolean( $atts['artists'] ),
- );
-
- $tracks = array();
- foreach ( $attachments as $attachment ) {
- $url = wp_get_attachment_url( $attachment->ID );
- $ftype = wp_check_filetype( $url, wp_get_mime_types() );
- $track = array(
- 'src' => $url,
- 'type' => $ftype['type'],
- 'title' => $attachment->post_title,
- 'caption' => $attachment->post_excerpt,
- 'description' => $attachment->post_content
- );
-
- $track['meta'] = array();
- $meta = wp_get_attachment_metadata( $attachment->ID );
- if ( ! empty( $meta ) ) {
-
- foreach ( wp_get_attachment_id3_keys( $attachment ) as $key => $label ) {
- if ( ! empty( $meta[ $key ] ) ) {
- $track['meta'][ $key ] = $meta[ $key ];
- }
- }
-
- if ( 'video' === $atts['type'] ) {
- if ( ! empty( $meta['width'] ) && ! empty( $meta['height'] ) ) {
- $width = $meta['width'];
- $height = $meta['height'];
- $theme_height = round( ( $height * $theme_width ) / $width );
- } else {
- $width = $default_width;
- $height = $default_height;
- }
-
- $track['dimensions'] = array(
- 'original' => compact( 'width', 'height' ),
- 'resized' => array(
- 'width' => $theme_width,
- 'height' => $theme_height
- )
- );
- }
- }
-
- if ( $atts['images'] ) {
- $thumb_id = get_post_thumbnail_id( $attachment->ID );
- if ( ! empty( $thumb_id ) ) {
- list( $src, $width, $height ) = wp_get_attachment_image_src( $thumb_id, 'full' );
- $track['image'] = compact( 'src', 'width', 'height' );
- list( $src, $width, $height ) = wp_get_attachment_image_src( $thumb_id, 'thumbnail' );
- $track['thumb'] = compact( 'src', 'width', 'height' );
- } else {
- $src = wp_mime_type_icon( $attachment->ID );
- $width = 48;
- $height = 64;
- $track['image'] = compact( 'src', 'width', 'height' );
- $track['thumb'] = compact( 'src', 'width', 'height' );
- }
- }
-
- $tracks[] = $track;
- }
- $data['tracks'] = $tracks;
-
- $safe_type = esc_attr( $atts['type'] );
- $safe_style = esc_attr( $atts['style'] );
-
- ob_start();
-
- if ( 1 === $instance ) {
- /**
- * Print and enqueue playlist scripts, styles, and JavaScript templates.
- *
- * @since 3.9.0
- *
- * @param string $type Type of playlist. Possible values are 'audio' or 'video'.
- * @param string $style The 'theme' for the playlist. Core provides 'light' and 'dark'.
- */
- do_action( 'wp_playlist_scripts', $atts['type'], $atts['style'] );
- } ?>
- <div class="wp-playlist wp-<?php echo $safe_type ?>-playlist wp-playlist-<?php echo $safe_style ?>">
- <?php if ( 'audio' === $atts['type'] ): ?>
- <div class="wp-playlist-current-item"></div>
- <?php endif ?>
- <<?php echo $safe_type ?> controls="controls" preload="none" width="<?php
- echo (int) $theme_width;
- ?>"<?php if ( 'video' === $safe_type ):
- echo ' height="', (int) $theme_height, '"';
- else:
- echo ' style="visibility: hidden"';
- endif; ?>></<?php echo $safe_type ?>>
- <div class="wp-playlist-next"></div>
- <div class="wp-playlist-prev"></div>
- <noscript>
- <ol><?php
- foreach ( $attachments as $att_id => $attachment ) {
- printf( '<li>%s</li>', wp_get_attachment_link( $att_id ) );
- }
- ?></ol>
- </noscript>
- <script type="application/json" class="wp-playlist-script"><?php echo json_encode( $data ) ?></script>
- </div>
- <?php
- return ob_get_clean();
- }
- add_shortcode( 'playlist', 'wp_playlist_shortcode' );
-
- /**
- * Provide a No-JS Flash fallback as a last resort for audio / video
- *
- * @since 3.6.0
- *
- * @param string $url
- * @return string Fallback HTML
- */
- function wp_mediaelement_fallback( $url ) {
- /**
- * Filter the Mediaelement fallback output for no-JS.
- *
- * @since 3.6.0
- *
- * @param string $output Fallback output for no-JS.
- * @param string $url Media file URL.
- */
- return apply_filters( 'wp_mediaelement_fallback', sprintf( '<a href="%1$s">%1$s</a>', esc_url( $url ) ), $url );
- }
-
- /**
- * Return a filtered list of WP-supported audio formats.
- *
- * @since 3.6.0
- * @return array
- */
- function wp_get_audio_extensions() {
- /**
- * Filter the list of supported audio formats.
- *
- * @since 3.6.0
- *
- * @param array $extensions An array of support audio formats. Defaults are
- * 'mp3', 'ogg', 'wma', 'm4a', 'wav'.
- */
- return apply_filters( 'wp_audio_extensions', array( 'mp3', 'ogg', 'wma', 'm4a', 'wav' ) );
- }
-
- /**
- * Return useful keys to use to lookup data from an attachment's stored metadata.
- *
- * @since 3.9.0
- *
- * @param WP_Post $attachment The current attachment, provided for context.
- * @param string $context The context. Accepts 'edit', 'display'. Default 'display'.
- * @return array Key/value pairs of field keys to labels.
- */
- function wp_get_attachment_id3_keys( $attachment, $context = 'display' ) {
- $fields = array(
- 'artist' => __( 'Artist' ),
- 'album' => __( 'Album' ),
- );
-
- if ( 'display' === $context ) {
- $fields['genre'] = __( 'Genre' );
- $fields['year'] = __( 'Year' );
- $fields['length_formatted'] = _x( 'Length', 'video or audio' );
- } elseif ( 'js' === $context ) {
- $fields['bitrate'] = __( 'Bitrate' );
- $fields['bitrate_mode'] = __( 'Bitrate Mode' );
- }
-
- /**
- * Filter the editable list of keys to look up data from an attachment's metadata.
- *
- * @since 3.9.0
- *
- * @param array $fields Key/value pairs of field keys to labels.
- * @param WP_Post $attachment Attachment object.
- * @param string $context The context. Accepts 'edit', 'display'. Default 'display'.
- */
- return apply_filters( 'wp_get_attachment_id3_keys', $fields, $attachment, $context );
- }
- /**
- * The Audio shortcode.
- *
- * This implements the functionality of the Audio Shortcode for displaying
- * WordPress mp3s in a post.
- *
- * @since 3.6.0
- *
- * @param array $attr {
- * Attributes of the audio shortcode.
- *
- * @type string $src URL to the source of the audio file. Default empty.
- * @type string $loop The 'loop' attribute for the `<audio>` element. Default empty.
- * @type string $autoplay The 'autoplay' attribute for the `<audio>` element. Default empty.
- * @type string $preload The 'preload' attribute for the `<audio>` element. Default empty.
- * @type string $class The 'class' attribute for the `<audio>` element. Default 'wp-audio-shortcode'.
- * @type string $id The 'id' attribute for the `<audio>` element. Default 'audio-{$post_id}-{$instances}'.
- * @type string $style The 'style' attribute for the `<audio>` element. Default 'width: 100%'.
- * }
- * @param string $content Optional. Shortcode content.
- * @return string HTML content to display audio.
- */
- function wp_audio_shortcode( $attr, $content = '' ) {
- $post_id = get_post() ? get_the_ID() : 0;
-
- static $instances = 0;
- $instances++;
-
- /**
- * Filter the default audio shortcode output.
- *
- * If the filtered output isn't empty, it will be used instead of generating the default audio template.
- *
- * @since 3.6.0
- *
- * @param string $html Empty variable to be replaced with shortcode markup.
- * @param array $attr Attributes of the shortcode. @see wp_audio_shortcode()
- * @param string $content Shortcode content.
- * @param int $instances Unique numeric ID of this audio shortcode instance.
- */
- $override = apply_filters( 'wp_audio_shortcode_override', '', $attr, $content, $instances );
- if ( '' !== $override ) {
- return $override;
- }
-
- $audio = null;
-
- $default_types = wp_get_audio_extensions();
- $defaults_atts = array(
- 'src' => '',
- 'loop' => '',
- 'autoplay' => '',
- 'preload' => 'none'
- );
- foreach ( $default_types as $type ) {
- $defaults_atts[$type] = '';
- }
-
- $atts = shortcode_atts( $defaults_atts, $attr, 'audio' );
-
- $primary = false;
- if ( ! empty( $atts['src'] ) ) {
- $type = wp_check_filetype( $atts['src'], wp_get_mime_types() );
- if ( ! in_array( strtolower( $type['ext'] ), $default_types ) ) {
- return sprintf( '<a class="wp-embedded-audio" href="%s">%s</a>', esc_url( $atts['src'] ), esc_html( $atts['src'] ) );
- }
- $primary = true;
- array_unshift( $default_types, 'src' );
- } else {
- foreach ( $default_types as $ext ) {
- if ( ! empty( $atts[ $ext ] ) ) {
- $type = wp_check_filetype( $atts[ $ext ], wp_get_mime_types() );
- if ( strtolower( $type['ext'] ) === $ext ) {
- $primary = true;
- }
- }
- }
- }
-
- if ( ! $primary ) {
- $audios = get_attached_media( 'audio', $post_id );
- if ( empty( $audios ) ) {
- return;
- }
-
- $audio = reset( $audios );
- $atts['src'] = wp_get_attachment_url( $audio->ID );
- if ( empty( $atts['src'] ) ) {
- return;
- }
-
- array_unshift( $default_types, 'src' );
- }
-
- /**
- * Filter the media library used for the audio shortcode.
- *
- * @since 3.6.0
- *
- * @param string $library Media library used for the audio shortcode.
- */
- $library = apply_filters( 'wp_audio_shortcode_library', 'mediaelement' );
- if ( 'mediaelement' === $library && did_action( 'init' ) ) {
- wp_enqueue_style( 'wp-mediaelement' );
- wp_enqueue_script( 'wp-mediaelement' );
- }
-
- /**
- * Filter the class attribute for the audio shortcode output container.
- *
- * @since 3.6.0
- *
- * @param string $class CSS class or list of space-separated classes.
- */
- $html_atts = array(
- 'class' => apply_filters( 'wp_audio_shortcode_class', 'wp-audio-shortcode' ),
- 'id' => sprintf( 'audio-%d-%d', $post_id, $instances ),
- 'loop' => $atts['loop'],
- 'autoplay' => $atts['autoplay'],
- 'preload' => $atts['preload'],
- 'style' => 'width: 100%; visibility: hidden;',
- );
-
- // These ones should just be omitted altogether if they are blank
- foreach ( array( 'loop', 'autoplay', 'preload' ) as $a ) {
- if ( empty( $html_atts[$a] ) ) {
- unset( $html_atts[$a] );
- }
- }
-
- $attr_strings = array();
- foreach ( $html_atts as $k => $v ) {
- $attr_strings[] = $k . '="' . esc_attr( $v ) . '"';
- }
-
- $html = '';
- if ( 'mediaelement' === $library && 1 === $instances ) {
- $html .= "<!--[if lt IE 9]><script>document.createElement('audio');</script><![endif]-->\n";
- }
- $html .= sprintf( '<audio %s controls="controls">', join( ' ', $attr_strings ) );
-
- $fileurl = '';
- $source = '<source type="%s" src="%s" />';
- foreach ( $default_types as $fallback ) {
- if ( ! empty( $atts[ $fallback ] ) ) {
- if ( empty( $fileurl ) ) {
- $fileurl = $atts[ $fallback ];
- }
- $type = wp_check_filetype( $atts[ $fallback ], wp_get_mime_types() );
- $url = add_query_arg( '_', $instances, $atts[ $fallback ] );
- $html .= sprintf( $source, $type['type'], esc_url( $url ) );
- }
- }
-
- if ( 'mediaelement' === $library ) {
- $html .= wp_mediaelement_fallback( $fileurl );
- }
- $html .= '</audio>';
-
- /**
- * Filter the audio shortcode output.
- *
- * @since 3.6.0
- *
- * @param string $html Audio shortcode HTML output.
- * @param array $atts Array of audio shortcode attributes.
- * @param string $audio Audio file.
- * @param int $post_id Post ID.
- * @param string $library Media library used for the audio shortcode.
- */
- return apply_filters( 'wp_audio_shortcode', $html, $atts, $audio, $post_id, $library );
- }
- add_shortcode( 'audio', 'wp_audio_shortcode' );
-
- /**
- * Return a filtered list of WP-supported video formats
- *
- * @since 3.6.0
- * @return array
- */
- function wp_get_video_extensions() {
- /**
- * Filter the list of supported video formats.
- *
- * @since 3.6.0
- *
- * @param array $extensions An array of support video formats. Defaults are
- * 'mp4', 'm4v', 'webm', 'ogv', 'wmv', 'flv'.
- */
- return apply_filters( 'wp_video_extensions', array( 'mp4', 'm4v', 'webm', 'ogv', 'wmv', 'flv' ) );
- }
-
- /**
- * The Video shortcode.
- *
- * This implements the functionality of the Video Shortcode for displaying
- * WordPress mp4s in a post.
- *
- * @since 3.6.0
- *
- * @param array $attr {
- * Attributes of the shortcode.
- *
- * @type string $src URL to the source of the video file. Default empty.
- * @type int $height Height of the video embed in pixels. Default 360.
- * @type int $width Width of the video embed in pixels. Default $content_width or 640.
- * @type string $poster The 'poster' attribute for the `<video>` element. Default empty.
- * @type string $loop The 'loop' attribute for the `<video>` element. Default empty.
- * @type string $autoplay The 'autoplay' attribute for the `<video>` element. Default empty.
- * @type string $preload The 'preload' attribute for the `<video>` element.
- * Default 'metadata'.
- * @type string $class The 'class' attribute for the `<video>` element.
- * Default 'wp-video-shortcode'.
- * @type string $id The 'id' attribute for the `<video>` element.
- * Default 'video-{$post_id}-{$instances}'.
- * }
- * @param string $content Optional. Shortcode content.
- * @return string HTML content to display video.
- */
- function wp_video_shortcode( $attr, $content = '' ) {
- global $content_width;
- $post_id = get_post() ? get_the_ID() : 0;
-
- static $instances = 0;
- $instances++;
-
- /**
- * Filter the default video shortcode output.
- *
- * If the filtered output isn't empty, it will be used instead of generating
- * the default video template.
- *
- * @since 3.6.0
- *
- * @see wp_video_shortcode()
- *
- * @param string $html Empty variable to be replaced with shortcode markup.
- * @param array $attr Attributes of the video shortcode.
- * @param string $content Video shortcode content.
- * @param int $instances Unique numeric ID of this video shortcode instance.
- */
- $override = apply_filters( 'wp_video_shortcode_override', '', $attr, $content, $instances );
- if ( '' !== $override ) {
- return $override;
- }
-
- $video = null;
-
- $default_types = wp_get_video_extensions();
- $defaults_atts = array(
- 'src' => '',
- 'poster' => '',
- 'loop' => '',
- 'autoplay' => '',
- 'preload' => 'metadata',
- 'width' => 640,
- 'height' => 360,
- );
-
- foreach ( $default_types as $type ) {
- $defaults_atts[$type] = '';
- }
-
- $atts = shortcode_atts( $defaults_atts, $attr, 'video' );
-
- if ( is_admin() ) {
- // shrink the video so it isn't huge in the admin
- if ( $atts['width'] > $defaults_atts['width'] ) {
- $atts['height'] = round( ( $atts['height'] * $defaults_atts['width'] ) / $atts['width'] );
- $atts['width'] = $defaults_atts['width'];
- }
- } else {
- // if the video is bigger than the theme
- if ( ! empty( $content_width ) && $atts['width'] > $content_width ) {
- $atts['height'] = round( ( $atts['height'] * $content_width ) / $atts['width'] );
- $atts['width'] = $content_width;
- }
- }
-
- $yt_pattern = '#^https?://(?:www\.)?(?:youtube\.com/watch|youtu\.be/)#';
-
- $primary = false;
- if ( ! empty( $atts['src'] ) ) {
- if ( ! preg_match( $yt_pattern, $atts['src'] ) ) {
- $type = wp_check_filetype( $atts['src'], wp_get_mime_types() );
- if ( ! in_array( strtolower( $type['ext'] ), $default_types ) ) {
- return sprintf( '<a class="wp-embedded-video" href="%s">%s</a>', esc_url( $atts['src'] ), esc_html( $atts['src'] ) );
- }
- }
- $primary = true;
- array_unshift( $default_types, 'src' );
- } else {
- foreach ( $default_types as $ext ) {
- if ( ! empty( $atts[ $ext ] ) ) {
- $type = wp_check_filetype( $atts[ $ext ], wp_get_mime_types() );
- if ( strtolower( $type['ext'] ) === $ext ) {
- $primary = true;
- }
- }
- }
- }
-
- if ( ! $primary ) {
- $videos = get_attached_media( 'video', $post_id );
- if ( empty( $videos ) ) {
- return;
- }
-
- $video = reset( $videos );
- $atts['src'] = wp_get_attachment_url( $video->ID );
- if ( empty( $atts['src'] ) ) {
- return;
- }
-
- array_unshift( $default_types, 'src' );
- }
-
- /**
- * Filter the media library used for the video shortcode.
- *
- * @since 3.6.0
- *
- * @param string $library Media library used for the video shortcode.
- */
- $library = apply_filters( 'wp_video_shortcode_library', 'mediaelement' );
- if ( 'mediaelement' === $library && did_action( 'init' ) ) {
- wp_enqueue_style( 'wp-mediaelement' );
- wp_enqueue_script( 'wp-mediaelement' );
- }
-
- /**
- * Filter the class attribute for the video shortcode output container.
- *
- * @since 3.6.0
- *
- * @param string $class CSS class or list of space-separated classes.
- */
- $html_atts = array(
- 'class' => apply_filters( 'wp_video_shortcode_class', 'wp-video-shortcode' ),
- 'id' => sprintf( 'video-%d-%d', $post_id, $instances ),
- 'width' => absint( $atts['width'] ),
- 'height' => absint( $atts['height'] ),
- 'poster' => esc_url( $atts['poster'] ),
- 'loop' => $atts['loop'],
- 'autoplay' => $atts['autoplay'],
- 'preload' => $atts['preload'],
- );
-
- // These ones should just be omitted altogether if they are blank
- foreach ( array( 'poster', 'loop', 'autoplay', 'preload' ) as $a ) {
- if ( empty( $html_atts[$a] ) ) {
- unset( $html_atts[$a] );
- }
- }
-
- $attr_strings = array();
- foreach ( $html_atts as $k => $v ) {
- $attr_strings[] = $k . '="' . esc_attr( $v ) . '"';
- }
-
- $html = '';
- if ( 'mediaelement' === $library && 1 === $instances ) {
- $html .= "<!--[if lt IE 9]><script>document.createElement('video');</script><![endif]-->\n";
- }
- $html .= sprintf( '<video %s controls="controls">', join( ' ', $attr_strings ) );
-
- $fileurl = '';
- $source = '<source type="%s" src="%s" />';
- foreach ( $default_types as $fallback ) {
- if ( ! empty( $atts[ $fallback ] ) ) {
- if ( empty( $fileurl ) ) {
- $fileurl = $atts[ $fallback ];
- }
- if ( 'src' === $fallback && preg_match( $yt_pattern, $atts['src'] ) ) {
- $type = array( 'type' => 'video/youtube' );
- } else {
- $type = wp_check_filetype( $atts[ $fallback ], wp_get_mime_types() );
- }
- $url = add_query_arg( '_', $instances, $atts[ $fallback ] );
- $html .= sprintf( $source, $type['type'], esc_url( $url ) );
- }
- }
-
- if ( ! empty( $content ) ) {
- if ( false !== strpos( $content, "\n" ) ) {
- $content = str_replace( array( "\r\n", "\n", "\t" ), '', $content );
- }
- $html .= trim( $content );
- }
-
- if ( 'mediaelement' === $library ) {
- $html .= wp_mediaelement_fallback( $fileurl );
- }
- $html .= '</video>';
-
- $width_rule = $height_rule = '';
- if ( ! empty( $atts['width'] ) ) {
- $width_rule = sprintf( 'width: %dpx; ', $atts['width'] );
- }
- if ( ! empty( $atts['height'] ) ) {
- $height_rule = sprintf( 'height: %dpx; ', $atts['height'] );
- }
- $output = sprintf( '<div style="%s%s" class="wp-video">%s</div>', $width_rule, $height_rule, $html );
-
- /**
- * Filter the output of the video shortcode.
- *
- * @since 3.6.0
- *
- * @param string $output Video shortcode HTML output.
- * @param array $atts Array of video shortcode attributes.
- * @param string $video Video file.
- * @param int $post_id Post ID.
- * @param string $library Media library used for the video shortcode.
- */
- return apply_filters( 'wp_video_shortcode', $output, $atts, $video, $post_id, $library );
- }
- add_shortcode( 'video', 'wp_video_shortcode' );
-
- /**
- * Display previous image link that has the same post parent.
- *
- * @since 2.5.0
- * @param string $size Optional, default is 'thumbnail'. Size of image, either array or string. 0 or 'none' will default to post_title or $text;
- * @param string $text Optional, default is false. If included, link will reflect $text variable.
- * @return string HTML content.
- */
- function previous_image_link($size = 'thumbnail', $text = false) {
- adjacent_image_link(true, $size, $text);
- }
-
- /**
- * Display next image link that has the same post parent.
- *
- * @since 2.5.0
- * @param string $size Optional, default is 'thumbnail'. Size of image, either array or string. 0 or 'none' will default to post_title or $text;
- * @param string $text Optional, default is false. If included, link will reflect $text variable.
- * @return string HTML content.
- */
- function next_image_link($size = 'thumbnail', $text = false) {
- adjacent_image_link(false, $size, $text);
- }
-
- /**
- * Display next or previous image link that has the same post parent.
- *
- * Retrieves the current attachment object from the $post global.
- *
- * @since 2.5.0
- *
- * @param bool $prev Optional. Default is true to display previous link, false for next.
- */
- function adjacent_image_link($prev = true, $size = 'thumbnail', $text = false) {
- $post = get_post();
- $attachments = array_values( get_children( array( 'post_parent' => $post->post_parent, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => 'ASC', 'orderby' => 'menu_order ID' ) ) );
-
- foreach ( $attachments as $k => $attachment ) {
- if ( $attachment->ID == $post->ID ) {
- break;
- }
- }
-
- $output = '';
- $attachment_id = 0;
-
- if ( $attachments ) {
- $k = $prev ? $k - 1 : $k + 1;
-
- if ( isset( $attachments[ $k ] ) ) {
- $attachment_id = $attachments[ $k ]->ID;
- $output = wp_get_attachment_link( $attachment_id, $size, true, false, $text );
- }
- }
-
- $adjacent = $prev ? 'previous' : 'next';
-
- /**
- * Filter the adjacent image link.
- *
- * The dynamic portion of the hook name, $adjacent, refers to the type of adjacency,
- * either 'next', or 'previous'.
- *
- * @since 3.5.0
- *
- * @param string $output Adjacent image HTML markup.
- * @param int $attachment_id Attachment ID
- * @param string $size Image size.
- * @param string $text Link text.
- */
- echo apply_filters( "{$adjacent}_image_link", $output, $attachment_id, $size, $text );
- }
-
- /**
- * Retrieve taxonomies attached to the attachment.
- *
- * @since 2.5.0
- *
- * @param int|array|object $attachment Attachment ID, Attachment data array, or Attachment data object.
- * @return array Empty array on failure. List of taxonomies on success.
- */
- function get_attachment_taxonomies($attachment) {
- if ( is_int( $attachment ) )
- $attachment = get_post($attachment);
- else if ( is_array($attachment) )
- $attachment = (object) $attachment;
-
- if ( ! is_object($attachment) )
- return array();
-
- $filename = basename($attachment->guid);
-
- $objects = array('attachment');
-
- if ( false !== strpos($filename, '.') )
- $objects[] = 'attachment:' . substr($filename, strrpos($filename, '.') + 1);
- if ( !empty($attachment->post_mime_type) ) {
- $objects[] = 'attachment:' . $attachment->post_mime_type;
- if ( false !== strpos($attachment->post_mime_type, '/') )
- foreach ( explode('/', $attachment->post_mime_type) as $token )
- if ( !empty($token) )
- $objects[] = "attachment:$token";
- }
-
- $taxonomies = array();
- foreach ( $objects as $object )
- if ( $taxes = get_object_taxonomies($object) )
- $taxonomies = array_merge($taxonomies, $taxes);
-
- return array_unique($taxonomies);
- }
-
- /**
- * Return all of the taxonomy names that are registered for attachments.
- *
- * Handles mime-type-specific taxonomies such as attachment:image and attachment:video.
- *
- * @since 3.5.0
- * @see get_attachment_taxonomies()
- * @uses get_taxonomies()
- *
- * @param string $output The type of output to return, either taxonomy 'names' or 'objects'. 'names' is the default.
- * @return array The names of all taxonomy of $object_type.
- */
- function get_taxonomies_for_attachments( $output = 'names' ) {
- $taxonomies = array();
- foreach ( get_taxonomies( array(), 'objects' ) as $taxonomy ) {
- foreach ( $taxonomy->object_type as $object_type ) {
- if ( 'attachment' == $object_type || 0 === strpos( $object_type, 'attachment:' ) ) {
- if ( 'names' == $output )
- $taxonomies[] = $taxonomy->name;
- else
- $taxonomies[ $taxonomy->name ] = $taxonomy;
- break;
- }
- }
- }
-
- return $taxonomies;
- }
-
- /**
- * Create new GD image resource with transparency support
- * @TODO: Deprecate if possible.
- *
- * @since 2.9.0
- *
- * @param int $width Image width
- * @param int $height Image height
- * @return image resource
- */
- function wp_imagecreatetruecolor($width, $height) {
- $img = imagecreatetruecolor($width, $height);
- if ( is_resource($img) && function_exists('imagealphablending') && function_exists('imagesavealpha') ) {
- imagealphablending($img, false);
- imagesavealpha($img, true);
- }
- return $img;
- }
-
- /**
- * Register an embed handler. This function should probably only be used for sites that do not support oEmbed.
- *
- * @since 2.9.0
- * @see WP_Embed::register_handler()
- */
- function wp_embed_register_handler( $id, $regex, $callback, $priority = 10 ) {
- global $wp_embed;
- $wp_embed->register_handler( $id, $regex, $callback, $priority );
- }
-
- /**
- * Unregister a previously registered embed handler.
- *
- * @since 2.9.0
- * @see WP_Embed::unregister_handler()
- */
- function wp_embed_unregister_handler( $id, $priority = 10 ) {
- global $wp_embed;
- $wp_embed->unregister_handler( $id, $priority );
- }
-
- /**
- * Create default array of embed parameters.
- *
- * The width defaults to the content width as specified by the theme. If the
- * theme does not specify a content width, then 500px is used.
- *
- * The default height is 1.5 times the width, or 1000px, whichever is smaller.
- *
- * The 'embed_defaults' filter can be used to adjust either of these values.
- *
- * @since 2.9.0
- *
- * @param string $url Optional. The URL that should be embedded. Default empty.
- *
- * @return array Default embed parameters.
- */
- function wp_embed_defaults( $url = '' ) {
- if ( ! empty( $GLOBALS['content_width'] ) )
- $width = (int) $GLOBALS['content_width'];
-
- if ( empty( $width ) )
- $width = 500;
-
- $height = min( ceil( $width * 1.5 ), 1000 );
-
- /**
- * Filter the default array of embed dimensions.
- *
- * @since 2.9.0
- *
- * @param int $width Width of the embed in pixels.
- * @param int $height Height of the embed in pixels.
- * @param string $url The URL that should be embedded.
- */
- return apply_filters( 'embed_defaults', compact( 'width', 'height' ), $url );
- }
-
- /**
- * Based on a supplied width/height example, return the biggest possible dimensions based on the max width/height.
- *
- * @since 2.9.0
- * @uses wp_constrain_dimensions() This function passes the widths and the heights.
- *
- * @param int $example_width The width of an example embed.
- * @param int $example_height The height of an example embed.
- * @param int $max_width The maximum allowed width.
- * @param int $max_height The maximum allowed height.
- * @return array The maximum possible width and height based on the example ratio.
- */
- function wp_expand_dimensions( $example_width, $example_height, $max_width, $max_height ) {
- $example_width = (int) $example_width;
- $example_height = (int) $example_height;
- $max_width = (int) $max_width;
- $max_height = (int) $max_height;
-
- return wp_constrain_dimensions( $example_width * 1000000, $example_height * 1000000, $max_width, $max_height );
- }
-
- /**
- * Attempts to fetch the embed HTML for a provided URL using oEmbed.
- *
- * @since 2.9.0
- * @see WP_oEmbed
- *
- * @uses _wp_oembed_get_object()
- * @uses WP_oEmbed::get_html()
- *
- * @param string $url The URL that should be embedded.
- * @param array $args Additional arguments and parameters.
- * @return bool|string False on failure or the embed HTML on success.
- */
- function wp_oembed_get( $url, $args = '' ) {
- require_once( ABSPATH . WPINC . '/class-oembed.php' );
- $oembed = _wp_oembed_get_object();
- return $oembed->get_html( $url, $args );
- }
-
- /**
- * Adds a URL format and oEmbed provider URL pair.
- *
- * @since 2.9.0
- * @see WP_oEmbed
- *
- * @uses _wp_oembed_get_object()
- *
- * @param string $format The format of URL that this provider can handle. You can use asterisks as wildcards.
- * @param string $provider The URL to the oEmbed provider.
- * @param boolean $regex Whether the $format parameter is in a regex format.
- */
- function wp_oembed_add_provider( $format, $provider, $regex = false ) {
- require_once( ABSPATH . WPINC . '/class-oembed.php' );
-
- if ( did_action( 'plugins_loaded' ) ) {
- $oembed = _wp_oembed_get_object();
- $oembed->providers[$format] = array( $provider, $regex );
- } else {
- WP_oEmbed::_add_provider_early( $format, $provider, $regex );
- }
- }
-
- /**
- * Removes an oEmbed provider.
- *
- * @since 3.5.0
- * @see WP_oEmbed
- *
- * @uses _wp_oembed_get_object()
- *
- * @param string $format The URL format for the oEmbed provider to remove.
- */
- function wp_oembed_remove_provider( $format ) {
- require_once( ABSPATH . WPINC . '/class-oembed.php' );
-
- if ( did_action( 'plugins_loaded' ) ) {
- $oembed = _wp_oembed_get_object();
-
- if ( isset( $oembed->providers[ $format ] ) ) {
- unset( $oembed->providers[ $format ] );
- return true;
- }
- } else {
- WP_oEmbed::_remove_provider_early( $format );
- }
-
- return false;
- }
-
- /**
- * Determines if default embed handlers should be loaded.
- *
- * Checks to make sure that the embeds library hasn't already been loaded. If
- * it hasn't, then it will load the embeds library.
- *
- * @since 2.9.0
- */
- function wp_maybe_load_embeds() {
- /**
- * Filter whether to load the default embed handlers.
- *
- * Returning a falsey value will prevent loading the default embed handlers.
- *
- * @since 2.9.0
- *
- * @param bool $maybe_load_embeds Whether to load the embeds library. Default true.
- */
- if ( ! apply_filters( 'load_default_embeds', true ) ) {
- return;
- }
-
- wp_embed_register_handler( 'youtube_embed_url', '#https?://(www.)?youtube\.com/embed/([^/]+)#i', 'wp_embed_handler_youtube' );
-
- wp_embed_register_handler( 'googlevideo', '#http://video\.google\.([A-Za-z.]{2,5})/videoplay\?docid=([\d-]+)(.*?)#i', 'wp_embed_handler_googlevideo' );
-
- /**
- * Filter the audio embed handler callback.
- *
- * @since 3.6.0
- *
- * @param callback $handler Audio embed handler callback function.
- */
- wp_embed_register_handler( 'audio', '#^https?://.+?\.(' . join( '|', wp_get_audio_extensions() ) . ')$#i', apply_filters( 'wp_audio_embed_handler', 'wp_embed_handler_audio' ), 9999 );
-
- /**
- * Filter the video embed handler callback.
- *
- * @since 3.6.0
- *
- * @param callback $handler Video embed handler callback function.
- */
- wp_embed_register_handler( 'video', '#^https?://.+?\.(' . join( '|', wp_get_video_extensions() ) . ')$#i', apply_filters( 'wp_video_embed_handler', 'wp_embed_handler_video' ), 9999 );
- }
-
- /**
- * The Google Video embed handler callback. Google Video does not support oEmbed.
- *
- * @see WP_Embed::register_handler()
- * @see WP_Embed::shortcode()
- *
- * @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}.
- * @param array $attr Embed attributes.
- * @param string $url The original URL that was matched by the regex.
- * @param array $rawattr The original unmodified attributes.
- * @return string The embed HTML.
- */
- function wp_embed_handler_googlevideo( $matches, $attr, $url, $rawattr ) {
- // If the user supplied a fixed width AND height, use it
- if ( !empty($rawattr['width']) && !empty($rawattr['height']) ) {
- $width = (int) $rawattr['width'];
- $height = (int) $rawattr['height'];
- } else {
- list( $width, $height ) = wp_expand_dimensions( 425, 344, $attr['width'], $attr['height'] );
- }
-
- /**
- * Filter the Google Video embed output.
- *
- * @since 2.9.0
- *
- * @param string $html Google Video HTML embed markup.
- * @param array $matches The regex matches from the provided regex.
- * @param array $attr An array of embed attributes.
- * @param string $url The original URL that was matched by the regex.
- * @param array $rawattr The original unmodified attributes.
- */
- return apply_filters( 'embed_googlevideo', '<embed type="application/x-shockwave-flash" src="http://video.google.com/googleplayer.swf?docid=' . esc_attr($matches[2]) . '&hl=en&fs=true" style="width:' . esc_attr($width) . 'px;height:' . esc_attr($height) . 'px" allowFullScreen="true" allowScriptAccess="always" />', $matches, $attr, $url, $rawattr );
- }
-
- /**
- * YouTube embed handler callback.
- *
- * Catches URLs that can be parsed but aren't supported by oEmbed.
- *
- * @since 4.0.0
- *
- * @param array $matches The regex matches from the provided regex when calling
- * {@see wp_embed_register_handler()}.
- * @param array $attr Embed attributes.
- * @param string $url The original URL that was matched by the regex.
- * @param array $rawattr The original unmodified attributes.
- * @return string The embed HTML.
- */
- function wp_embed_handler_youtube( $matches, $attr, $url, $rawattr ) {
- global $wp_embed;
- $embed = $wp_embed->autoembed( "https://youtube.com/watch?v={$matches[2]}" );
- /**
- * Filter the YoutTube embed output.
- *
- * @since 4.0.0
- *
- * @see wp_embed_handler_youtube()
- *
- * @param string $embed YouTube embed output.
- * @param array $attr An array of embed attributes.
- * @param string $url The original URL that was matched by the regex.
- * @param array $rawattr The original unmodified attributes.
- */
- return apply_filters( 'wp_embed_handler_youtube', $embed, $attr, $url, $rawattr );
- }
-
- /**
- * Audio embed handler callback.
- *
- * @since 3.6.0
- *
- * @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}.
- * @param array $attr Embed attributes.
- * @param string $url The original URL that was matched by the regex.
- * @param array $rawattr The original unmodified attributes.
- * @return string The embed HTML.
- */
- function wp_embed_handler_audio( $matches, $attr, $url, $rawattr ) {
- $audio = sprintf( '[audio src="%s" /]', esc_url( $url ) );
-
- /**
- * Filter the audio embed output.
- *
- * @since 3.6.0
- *
- * @param string $audio Audio embed output.
- * @param array $attr An array of embed attributes.
- * @param string $url The original URL that was matched by the regex.
- * @param array $rawattr The original unmodified attributes.
- */
- return apply_filters( 'wp_embed_handler_audio', $audio, $attr, $url, $rawattr );
- }
-
- /**
- * Video embed handler callback.
- *
- * @since 3.6.0
- *
- * @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}.
- * @param array $attr Embed attributes.
- * @param string $url The original URL that was matched by the regex.
- * @param array $rawattr The original unmodified attributes.
- * @return string The embed HTML.
- */
- function wp_embed_handler_video( $matches, $attr, $url, $rawattr ) {
- $dimensions = '';
- if ( ! empty( $rawattr['width'] ) && ! empty( $rawattr['height'] ) ) {
- $dimensions .= sprintf( 'width="%d" ', (int) $rawattr['width'] );
- $dimensions .= sprintf( 'height="%d" ', (int) $rawattr['height'] );
- }
- $video = sprintf( '[video %s src="%s" /]', $dimensions, esc_url( $url ) );
-
- /**
- * Filter the video embed output.
- *
- * @since 3.6.0
- *
- * @param string $video Video embed output.
- * @param array $attr An array of embed attributes.
- * @param string $url The original URL that was matched by the regex.
- * @param array $rawattr The original unmodified attributes.
- */
- return apply_filters( 'wp_embed_handler_video', $video, $attr, $url, $rawattr );
- }
-
- /**
- * Converts a shorthand byte value to an integer byte value.
- *
- * @since 2.3.0
- *
- * @param string $size A shorthand byte value.
- * @return int An integer byte value.
- */
- function wp_convert_hr_to_bytes( $size ) {
- $size = strtolower( $size );
- $bytes = (int) $size;
- if ( strpos( $size, 'k' ) !== false )
- $bytes = intval( $size ) * 1024;
- elseif ( strpos( $size, 'm' ) !== false )
- $bytes = intval($size) * 1024 * 1024;
- elseif ( strpos( $size, 'g' ) !== false )
- $bytes = intval( $size ) * 1024 * 1024 * 1024;
- return $bytes;
- }
-
- /**
- * Determine the maximum upload size allowed in php.ini.
- *
- * @since 2.5.0
- *
- * @return int Allowed upload size.
- */
- function wp_max_upload_size() {
- $u_bytes = wp_convert_hr_to_bytes( ini_get( 'upload_max_filesize' ) );
- $p_bytes = wp_convert_hr_to_bytes( ini_get( 'post_max_size' ) );
-
- /**
- * Filter the maximum upload size allowed in php.ini.
- *
- * @since 2.5.0
- *
- * @param int $size Max upload size limit in bytes.
- * @param int $u_bytes Maximum upload filesize in bytes.
- * @param int $p_bytes Maximum size of POST data in bytes.
- */
- return apply_filters( 'upload_size_limit', min( $u_bytes, $p_bytes ), $u_bytes, $p_bytes );
- }
-
- /**
- * Returns a WP_Image_Editor instance and loads file into it.
- *
- * @since 3.5.0
- * @access public
- *
- * @param string $path Path to file to load
- * @param array $args Additional data. Accepts { 'mime_type'=>string, 'methods'=>{string, string, ...} }
- * @return WP_Image_Editor|WP_Error
- */
- function wp_get_image_editor( $path, $args = array() ) {
- $args['path'] = $path;
-
- if ( ! isset( $args['mime_type'] ) ) {
- $file_info = wp_check_filetype( $args['path'] );
-
- // If $file_info['type'] is false, then we let the editor attempt to
- // figure out the file type, rather than forcing a failure based on extension.
- if ( isset( $file_info ) && $file_info['type'] )
- $args['mime_type'] = $file_info['type'];
- }
-
- $implementation = _wp_image_editor_choose( $args );
-
- if ( $implementation ) {
- $editor = new $implementation( $path );
- $loaded = $editor->load();
-
- if ( is_wp_error( $loaded ) )
- return $loaded;
-
- return $editor;
- }
-
- return new WP_Error( 'image_no_editor', __('No editor could be selected.') );
- }
-
- /**
- * Tests whether there is an editor that supports a given mime type or methods.
- *
- * @since 3.5.0
- * @access public
- *
- * @param string|array $args Array of requirements. Accepts { 'mime_type'=>string, 'methods'=>{string, string, ...} }
- * @return boolean true if an eligible editor is found; false otherwise
- */
- function wp_image_editor_supports( $args = array() ) {
- return (bool) _wp_image_editor_choose( $args );
- }
-
- /**
- * Tests which editors are capable of supporting the request.
- *
- * @since 3.5.0
- * @access private
- *
- * @param array $args Additional data. Accepts { 'mime_type'=>string, 'methods'=>{string, string, ...} }
- * @return string|bool Class name for the first editor that claims to support the request. False if no editor claims to support the request.
- */
- function _wp_image_editor_choose( $args = array() ) {
- require_once ABSPATH . WPINC . '/class-wp-image-editor.php';
- require_once ABSPATH . WPINC . '/class-wp-image-editor-gd.php';
- require_once ABSPATH . WPINC . '/class-wp-image-editor-imagick.php';
-
- /**
- * Filter the list of image editing library classes.
- *
- * @since 3.5.0
- *
- * @param array $image_editors List of available image editors. Defaults are
- * 'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD'.
- */
- $implementations = apply_filters( 'wp_image_editors', array( 'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD' ) );
-
- foreach ( $implementations as $implementation ) {
- if ( ! call_user_func( array( $implementation, 'test' ), $args ) )
- continue;
-
- if ( isset( $args['mime_type'] ) &&
- ! call_user_func(
- array( $implementation, 'supports_mime_type' ),
- $args['mime_type'] ) ) {
- continue;
- }
-
- if ( isset( $args['methods'] ) &&
- array_diff( $args['methods'], get_class_methods( $implementation ) ) ) {
- continue;
- }
-
- return $implementation;
- }
-
- return false;
- }
-
- /**
- * Prints default plupload arguments.
- *
- * @since 3.4.0
- */
- function wp_plupload_default_settings() {
- global $wp_scripts;
-
- $data = $wp_scripts->get_data( 'wp-plupload', 'data' );
- if ( $data && false !== strpos( $data, '_wpPluploadSettings' ) )
- return;
-
- $max_upload_size = wp_max_upload_size();
-
- $defaults = array(
- 'runtimes' => 'html5,flash,silverlight,html4',
- 'file_data_name' => 'async-upload', // key passed to $_FILE.
- 'url' => admin_url( 'async-upload.php', 'relative' ),
- 'flash_swf_url' => includes_url( 'js/plupload/plupload.flash.swf' ),
- 'silverlight_xap_url' => includes_url( 'js/plupload/plupload.silverlight.xap' ),
- 'filters' => array(
- 'max_file_size' => $max_upload_size . 'b',
- ),
- );
-
- /**
- * Filter the Plupload default settings.
- *
- * @since 3.4.0
- *
- * @param array $defaults Default Plupload settings array.
- */
- $defaults = apply_filters( 'plupload_default_settings', $defaults );
-
- $params = array(
- 'action' => 'upload-attachment',
- );
-
- /**
- * Filter the Plupload default parameters.
- *
- * @since 3.4.0
- *
- * @param array $params Default Plupload parameters array.
- */
- $params = apply_filters( 'plupload_default_params', $params );
- $params['_wpnonce'] = wp_create_nonce( 'media-form' );
- $defaults['multipart_params'] = $params;
-
- $settings = array(
- 'defaults' => $defaults,
- 'browser' => array(
- 'mobile' => wp_is_mobile(),
- 'supported' => _device_can_upload(),
- ),
- 'limitExceeded' => is_multisite() && ! is_upload_space_available()
- );
-
- $script = 'var _wpPluploadSettings = ' . json_encode( $settings ) . ';';
-
- if ( $data )
- $script = "$data\n$script";
-
- $wp_scripts->add_data( 'wp-plupload', 'data', $script );
- }
- add_action( 'customize_controls_enqueue_scripts', 'wp_plupload_default_settings' );
-
- /**
- * Prepares an attachment post object for JS, where it is expected
- * to be JSON-encoded and fit into an Attachment model.
- *
- * @since 3.5.0
- *
- * @param mixed $attachment Attachment ID or object.
- * @return array Array of attachment details.
- */
- function wp_prepare_attachment_for_js( $attachment ) {
- if ( ! $attachment = get_post( $attachment ) )
- return;
-
- if ( 'attachment' != $attachment->post_type )
- return;
-
- $meta = wp_get_attachment_metadata( $attachment->ID );
- if ( false !== strpos( $attachment->post_mime_type, '/' ) )
- list( $type, $subtype ) = explode( '/', $attachment->post_mime_type );
- else
- list( $type, $subtype ) = array( $attachment->post_mime_type, '' );
-
- $attachment_url = wp_get_attachment_url( $attachment->ID );
-
- $response = array(
- 'id' => $attachment->ID,
- 'title' => $attachment->post_title,
- 'filename' => wp_basename( $attachment->guid ),
- 'url' => $attachment_url,
- 'link' => get_attachment_link( $attachment->ID ),
- 'alt' => get_post_meta( $attachment->ID, '_wp_attachment_image_alt', true ),
- 'author' => $attachment->post_author,
- 'description' => $attachment->post_content,
- 'caption' => $attachment->post_excerpt,
- 'name' => $attachment->post_name,
- 'status' => $attachment->post_status,
- 'uploadedTo' => $attachment->post_parent,
- 'date' => strtotime( $attachment->post_date_gmt ) * 1000,
- 'modified' => strtotime( $attachment->post_modified_gmt ) * 1000,
- 'menuOrder' => $attachment->menu_order,
- 'mime' => $attachment->post_mime_type,
- 'type' => $type,
- 'subtype' => $subtype,
- 'icon' => wp_mime_type_icon( $attachment->ID ),
- 'dateFormatted' => mysql2date( get_option('date_format'), $attachment->post_date ),
- 'nonces' => array(
- 'update' => false,
- 'delete' => false,
- 'edit' => false
- ),
- 'editLink' => false,
- 'meta' => false,
- );
-
- $author = new WP_User( $attachment->post_author );
- $response['authorName'] = $author->display_name;
-
- if ( $attachment->post_parent ) {
- $post_parent = get_post( $attachment->post_parent );
- $parent_type = get_post_type_object( $post_parent->post_type );
- if ( $parent_type && $parent_type->show_ui && current_user_can( 'edit_post', $attachment->post_parent ) ) {
- $response['uploadedToLink'] = get_edit_post_link( $attachment->post_parent, 'raw' );
- }
- $response['uploadedToTitle'] = $post_parent->post_title ? $post_parent->post_title : __( '(no title)' );
- }
-
- $attached_file = get_attached_file( $attachment->ID );
- if ( file_exists( $attached_file ) ) {
- $bytes = filesize( $attached_file );
- $response['filesizeInBytes'] = $bytes;
- $response['filesizeHumanReadable'] = size_format( $bytes );
- }
-
- if ( current_user_can( 'edit_post', $attachment->ID ) ) {
- $response['nonces']['update'] = wp_create_nonce( 'update-post_' . $attachment->ID );
- $response['nonces']['edit'] = wp_create_nonce( 'image_editor-' . $attachment->ID );
- $response['editLink'] = get_edit_post_link( $attachment->ID, 'raw' );
- }
-
- if ( current_user_can( 'delete_post', $attachment->ID ) )
- $response['nonces']['delete'] = wp_create_nonce( 'delete-post_' . $attachment->ID );
-
- if ( $meta && 'image' === $type ) {
- $sizes = array();
-
- /** This filter is documented in wp-admin/includes/media.php */
- $possible_sizes = apply_filters( 'image_size_names_choose', array(
- 'thumbnail' => __('Thumbnail'),
- 'medium' => __('Medium'),
- 'large' => __('Large'),
- 'full' => __('Full Size'),
- ) );
- unset( $possible_sizes['full'] );
-
- // Loop through all potential sizes that may be chosen. Try to do this with some efficiency.
- // First: run the image_downsize filter. If it returns something, we can use its data.
- // If the filter does not return something, then image_downsize() is just an expensive
- // way to check the image metadata, which we do second.
- foreach ( $possible_sizes as $size => $label ) {
-
- /** This filter is documented in wp-includes/media.php */
- if ( $downsize = apply_filters( 'image_downsize', false, $attachment->ID, $size ) ) {
- if ( ! $downsize[3] )
- continue;
- $sizes[ $size ] = array(
- 'height' => $downsize[2],
- 'width' => $downsize[1],
- 'url' => $downsize[0],
- 'orientation' => $downsize[2] > $downsize[1] ? 'portrait' : 'landscape',
- );
- } elseif ( isset( $meta['sizes'][ $size ] ) ) {
- if ( ! isset( $base_url ) )
- $base_url = str_replace( wp_basename( $attachment_url ), '', $attachment_url );
-
- // Nothing from the filter, so consult image metadata if we have it.
- $size_meta = $meta['sizes'][ $size ];
-
- // We have the actual image size, but might need to further constrain it if content_width is narrower.
- // Thumbnail, medium, and full sizes are also checked against the site's height/width options.
- list( $width, $height ) = image_constrain_size_for_editor( $size_meta['width'], $size_meta['height'], $size, 'edit' );
-
- $sizes[ $size ] = array(
- 'height' => $height,
- 'width' => $width,
- 'url' => $base_url . $size_meta['file'],
- 'orientation' => $height > $width ? 'portrait' : 'landscape',
- );
- }
- }
-
- $sizes['full'] = array( 'url' => $attachment_url );
-
- if ( isset( $meta['height'], $meta['width'] ) ) {
- $sizes['full']['height'] = $meta['height'];
- $sizes['full']['width'] = $meta['width'];
- $sizes['full']['orientation'] = $meta['height'] > $meta['width'] ? 'portrait' : 'landscape';
- }
-
- $response = array_merge( $response, array( 'sizes' => $sizes ), $sizes['full'] );
- } elseif ( $meta && 'video' === $type ) {
- if ( isset( $meta['width'] ) )
- $response['width'] = (int) $meta['width'];
- if ( isset( $meta['height'] ) )
- $response['height'] = (int) $meta['height'];
- }
-
- if ( $meta && ( 'audio' === $type || 'video' === $type ) ) {
- if ( isset( $meta['length_formatted'] ) )
- $response['fileLength'] = $meta['length_formatted'];
-
- $response['meta'] = array();
- foreach ( wp_get_attachment_id3_keys( $attachment, 'js' ) as $key => $label ) {
- $response['meta'][ $key ] = false;
-
- if ( ! empty( $meta[ $key ] ) ) {
- $response['meta'][ $key ] = $meta[ $key ];
- }
- }
-
- $id = get_post_thumbnail_id( $attachment->ID );
- if ( ! empty( $id ) ) {
- list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'full' );
- $response['image'] = compact( 'src', 'width', 'height' );
- list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'thumbnail' );
- $response['thumb'] = compact( 'src', 'width', 'height' );
- } else {
- $src = wp_mime_type_icon( $attachment->ID );
- $width = 48;
- $height = 64;
- $response['image'] = compact( 'src', 'width', 'height' );
- $response['thumb'] = compact( 'src', 'width', 'height' );
- }
- }
-
- if ( function_exists('get_compat_media_markup') )
- $response['compat'] = get_compat_media_markup( $attachment->ID, array( 'in_modal' => true ) );
-
- /**
- * Filter the attachment data prepared for JavaScript.
- *
- * @since 3.5.0
- *
- * @param array $response Array of prepared attachment data.
- * @param int|object $attachment Attachment ID or object.
- * @param array $meta Array of attachment meta data.
- */
- return apply_filters( 'wp_prepare_attachment_for_js', $response, $attachment, $meta );
- }
-
- /**
- * Enqueues all scripts, styles, settings, and templates necessary to use
- * all media JS APIs.
- *
- * @since 3.5.0
- */
- function wp_enqueue_media( $args = array() ) {
-
- // Enqueue me just once per page, please.
- if ( did_action( 'wp_enqueue_media' ) )
- return;
-
- global $content_width, $wpdb, $wp_locale;
-
- $defaults = array(
- 'post' => null,
- );
- $args = wp_parse_args( $args, $defaults );
-
- // We're going to pass the old thickbox media tabs to `media_upload_tabs`
- // to ensure plugins will work. We will then unset those tabs.
- $tabs = array(
- // handler action suffix => tab label
- 'type' => '',
- 'type_url' => '',
- 'gallery' => '',
- 'library' => '',
- );
-
- /** This filter is documented in wp-admin/includes/media.php */
- $tabs = apply_filters( 'media_upload_tabs', $tabs );
- unset( $tabs['type'], $tabs['type_url'], $tabs['gallery'], $tabs['library'] );
-
- $props = array(
- 'link' => get_option( 'image_default_link_type' ), // db default is 'file'
- 'align' => get_option( 'image_default_align' ), // empty default
- 'size' => get_option( 'image_default_size' ), // empty default
- );
-
- $exts = array_merge( wp_get_audio_extensions(), wp_get_video_extensions() );
- $mimes = get_allowed_mime_types();
- $ext_mimes = array();
- foreach ( $exts as $ext ) {
- foreach ( $mimes as $ext_preg => $mime_match ) {
- if ( preg_match( '#' . $ext . '#i', $ext_preg ) ) {
- $ext_mimes[ $ext ] = $mime_match;
- break;
- }
- }
- }
-
- $has_audio = $wpdb->get_var( "
- SELECT ID
- FROM $wpdb->posts
- WHERE post_type = 'attachment'
- AND post_mime_type LIKE 'audio%'
- LIMIT 1
- " );
- $has_video = $wpdb->get_var( "
- SELECT ID
- FROM $wpdb->posts
- WHERE post_type = 'attachment'
- AND post_mime_type LIKE 'video%'
- LIMIT 1
- " );
- $months = $wpdb->get_results( $wpdb->prepare( "
- SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month
- FROM $wpdb->posts
- WHERE post_type = %s
- ORDER BY post_date DESC
- ", 'attachment' ) );
- foreach ( $months as $month_year ) {
- $month_year->text = sprintf( __( '%1$s %2$d' ), $wp_locale->get_month( $month_year->month ), $month_year->year );
- }
-
- $settings = array(
- 'tabs' => $tabs,
- 'tabUrl' => add_query_arg( array( 'chromeless' => true ), admin_url('media-upload.php') ),
- 'mimeTypes' => wp_list_pluck( get_post_mime_types(), 0 ),
- /** This filter is documented in wp-admin/includes/media.php */
- 'captions' => ! apply_filters( 'disable_captions', '' ),
- 'nonce' => array(
- 'sendToEditor' => wp_create_nonce( 'media-send-to-editor' ),
- ),
- 'post' => array(
- 'id' => 0,
- ),
- 'defaultProps' => $props,
- 'attachmentCounts' => array(
- 'audio' => ( $has_audio ) ? 1 : 0,
- 'video' => ( $has_video ) ? 1 : 0
- ),
- 'embedExts' => $exts,
- 'embedMimes' => $ext_mimes,
- 'contentWidth' => $content_width,
- 'months' => $months,
- 'mediaTrash' => MEDIA_TRASH ? 1 : 0
- );
-
- $post = null;
- if ( isset( $args['post'] ) ) {
- $post = get_post( $args['post'] );
- $settings['post'] = array(
- 'id' => $post->ID,
- 'nonce' => wp_create_nonce( 'update-post_' . $post->ID ),
- );
-
- $thumbnail_support = current_theme_supports( 'post-thumbnails', $post->post_type ) && post_type_supports( $post->post_type, 'thumbnail' );
- if ( ! $thumbnail_support && 'attachment' === $post->post_type && $post->post_mime_type ) {
- if ( 0 === strpos( $post->post_mime_type, 'audio/' ) ) {
- $thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );
- } elseif ( 0 === strpos( $post->post_mime_type, 'video/' ) ) {
- $thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );
- }
- }
-
- if ( $thumbnail_support ) {
- $featured_image_id = get_post_meta( $post->ID, '_thumbnail_id', true );
- $settings['post']['featuredImageId'] = $featured_image_id ? $featured_image_id : -1;
- }
- }
-
- $hier = $post && is_post_type_hierarchical( $post->post_type );
-
- $strings = array(
- // Generic
- 'url' => __( 'URL' ),
- 'addMedia' => __( 'Add Media' ),
- 'search' => __( 'Search' ),
- 'select' => __( 'Select' ),
- 'cancel' => __( 'Cancel' ),
- 'update' => __( 'Update' ),
- 'replace' => __( 'Replace' ),
- 'remove' => __( 'Remove' ),
- 'back' => __( 'Back' ),
- /* translators: This is a would-be plural string used in the media manager.
- If there is not a word you can use in your language to avoid issues with the
- lack of plural support here, turn it into "selected: %d" then translate it.
- */
- 'selected' => __( '%d selected' ),
- 'dragInfo' => __( 'Drag and drop to reorder images.' ),
-
- // Upload
- 'uploadFilesTitle' => __( 'Upload Files' ),
- 'uploadImagesTitle' => __( 'Upload Images' ),
-
- // Library
- 'mediaLibraryTitle' => __( 'Media Library' ),
- 'insertMediaTitle' => __( 'Insert Media' ),
- 'createNewGallery' => __( 'Create a new gallery' ),
- 'createNewPlaylist' => __( 'Create a new playlist' ),
- 'createNewVideoPlaylist' => __( 'Create a new video playlist' ),
- 'returnToLibrary' => __( '← Return to library' ),
- 'allMediaItems' => __( 'All media items' ),
- 'allMediaTypes' => __( 'All media types' ),
- 'allDates' => __( 'All dates' ),
- 'noItemsFound' => __( 'No items found.' ),
- 'insertIntoPost' => $hier ? __( 'Insert into page' ) : __( 'Insert into post' ),
- 'unattached' => __( 'Unattached' ),
- 'trash' => __( 'Trash' ),
- 'uploadedToThisPost' => $hier ? __( 'Uploaded to this page' ) : __( 'Uploaded to this post' ),
- 'warnDelete' => __( "You are about to permanently delete this item.\n 'Cancel' to stop, 'OK' to delete." ),
- 'warnBulkDelete' => __( "You are about to permanently delete these items.\n 'Cancel' to stop, 'OK' to delete." ),
- 'warnBulkTrash' => __( "You are about to trash these items.\n 'Cancel' to stop, 'OK' to delete." ),
- 'bulkSelect' => __( 'Bulk Select' ),
- 'cancelSelection' => __( 'Cancel Selection' ),
- 'trashSelected' => __( 'Trash Selected' ),
- 'untrashSelected' => __( 'Untrash Selected' ),
- 'deleteSelected' => __( 'Delete Selected' ),
- 'deletePermanently' => __( 'Delete Permanently' ),
- 'apply' => __( 'Apply' ),
- 'filterByDate' => __( 'Filter by date' ),
- 'filterByType' => __( 'Filter by type' ),
- 'searchMediaLabel' => __( 'Search Media' ),
-
- // Library Details
- 'attachmentDetails' => __( 'Attachment Details' ),
-
- // From URL
- 'insertFromUrlTitle' => __( 'Insert from URL' ),
-
- // Featured Images
- 'setFeaturedImageTitle' => __( 'Set Featured Image' ),
- 'setFeaturedImage' => __( 'Set featured image' ),
-
- // Gallery
- 'createGalleryTitle' => __( 'Create Gallery' ),
- 'editGalleryTitle' => __( 'Edit Gallery' ),
- 'cancelGalleryTitle' => __( '← Cancel Gallery' ),
- 'insertGallery' => __( 'Insert gallery' ),
- 'updateGallery' => __( 'Update gallery' ),
- 'addToGallery' => __( 'Add to gallery' ),
- 'addToGalleryTitle' => __( 'Add to Gallery' ),
- 'reverseOrder' => __( 'Reverse order' ),
-
- // Edit Image
- 'imageDetailsTitle' => __( 'Image Details' ),
- 'imageReplaceTitle' => __( 'Replace Image' ),
- 'imageDetailsCancel' => __( 'Cancel Edit' ),
- 'editImage' => __( 'Edit Image' ),
-
- // Crop Image
- 'chooseImage' => __( 'Choose Image' ),
- 'selectAndCrop' => __( 'Select and Crop' ),
- 'skipCropping' => __( 'Skip Cropping' ),
- 'cropImage' => __( 'Crop Image' ),
- 'cropYourImage' => __( 'Crop your image' ),
- 'cropping' => __( 'Cropping…' ),
- 'suggestedDimensions' => __( 'Suggested image dimensions:' ),
- 'cropError' => __( 'There has been an error cropping your image.' ),
-
- // Edit Audio
- 'audioDetailsTitle' => __( 'Audio Details' ),
- 'audioReplaceTitle' => __( 'Replace Audio' ),
- 'audioAddSourceTitle' => __( 'Add Audio Source' ),
- 'audioDetailsCancel' => __( 'Cancel Edit' ),
-
- // Edit Video
- 'videoDetailsTitle' => __( 'Video Details' ),
- 'videoReplaceTitle' => __( 'Replace Video' ),
- 'videoAddSourceTitle' => __( 'Add Video Source' ),
- 'videoDetailsCancel' => __( 'Cancel Edit' ),
- 'videoSelectPosterImageTitle' => __( 'Select Poster Image' ),
- 'videoAddTrackTitle' => __( 'Add Subtitles' ),
-
- // Playlist
- 'playlistDragInfo' => __( 'Drag and drop to reorder tracks.' ),
- 'createPlaylistTitle' => __( 'Create Audio Playlist' ),
- 'editPlaylistTitle' => __( 'Edit Audio Playlist' ),
- 'cancelPlaylistTitle' => __( '← Cancel Audio Playlist' ),
- 'insertPlaylist' => __( 'Insert audio playlist' ),
- 'updatePlaylist' => __( 'Update audio playlist' ),
- 'addToPlaylist' => __( 'Add to audio playlist' ),
- 'addToPlaylistTitle' => __( 'Add to Audio Playlist' ),
-
- // Video Playlist
- 'videoPlaylistDragInfo' => __( 'Drag and drop to reorder videos.' ),
- 'createVideoPlaylistTitle' => __( 'Create Video Playlist' ),
- 'editVideoPlaylistTitle' => __( 'Edit Video Playlist' ),
- 'cancelVideoPlaylistTitle' => __( '← Cancel Video Playlist' ),
- 'insertVideoPlaylist' => __( 'Insert video playlist' ),
- 'updateVideoPlaylist' => __( 'Update video playlist' ),
- 'addToVideoPlaylist' => __( 'Add to video playlist' ),
- 'addToVideoPlaylistTitle' => __( 'Add to Video Playlist' ),
-
- // Media Library
- 'editMetadata' => __( 'Edit Metadata' ),
- 'noMedia' => __( 'No media attachments found.' ),
- );
-
- /**
- * Filter the media view settings.
- *
- * @since 3.5.0
- *
- * @param array $settings List of media view settings.
- * @param WP_Post $post Post object.
- */
- $settings = apply_filters( 'media_view_settings', $settings, $post );
-
- /**
- * Filter the media view strings.
- *
- * @since 3.5.0
- *
- * @param array $strings List of media view strings.
- * @param WP_Post $post Post object.
- */
- $strings = apply_filters( 'media_view_strings', $strings, $post );
-
- $strings['settings'] = $settings;
-
- // Ensure we enqueue media-editor first, that way media-views is
- // registered internally before we try to localize it. see #24724.
- wp_enqueue_script( 'media-editor' );
- wp_localize_script( 'media-views', '_wpMediaViewsL10n', $strings );
-
- wp_enqueue_script( 'media-audiovideo' );
- wp_enqueue_style( 'media-views' );
- if ( is_admin() ) {
- wp_enqueue_script( 'mce-view' );
- wp_enqueue_script( 'image-edit' );
- }
- wp_enqueue_style( 'imgareaselect' );
- wp_plupload_default_settings();
-
- require_once ABSPATH . WPINC . '/media-template.php';
- add_action( 'admin_footer', 'wp_print_media_templates' );
- add_action( 'wp_footer', 'wp_print_media_templates' );
- add_action( 'customize_controls_print_footer_scripts', 'wp_print_media_templates' );
-
- /**
- * Fires at the conclusion of wp_enqueue_media().
- *
- * @since 3.5.0
- */
- do_action( 'wp_enqueue_media' );
- }
-
- /**
- * Retrieve media attached to the passed post.
- *
- * @since 3.6.0
- *
- * @param string $type Mime type.
- * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
- * @return array Found attachments.
- */
- function get_attached_media( $type, $post = 0 ) {
- if ( ! $post = get_post( $post ) )
- return array();
-
- $args = array(
- 'post_parent' => $post->ID,
- 'post_type' => 'attachment',
- 'post_mime_type' => $type,
- 'posts_per_page' => -1,
- 'orderby' => 'menu_order',
- 'order' => 'ASC',
- );
-
- /**
- * Filter arguments used to retrieve media attached to the given post.
- *
- * @since 3.6.0
- *
- * @param array $args Post query arguments.
- * @param string $type Mime type of the desired media.
- * @param mixed $post Post ID or object.
- */
- $args = apply_filters( 'get_attached_media_args', $args, $type, $post );
-
- $children = get_children( $args );
-
- /**
- * Filter the list of media attached to the given post.
- *
- * @since 3.6.0
- *
- * @param array $children Associative array of media attached to the given post.
- * @param string $type Mime type of the media desired.
- * @param mixed $post Post ID or object.
- */
- return (array) apply_filters( 'get_attached_media', $children, $type, $post );
- }
-
- /**
- * Check the content blob for an <audio>, <video> <object>, <embed>, or <iframe>
- *
- * @since 3.6.0
- *
- * @param string $content A string which might contain media data.
- * @param array $types array of media types: 'audio', 'video', 'object', 'embed', or 'iframe'
- * @return array A list of found HTML media embeds
- */
- function get_media_embedded_in_content( $content, $types = null ) {
- $html = array();
- $allowed_media_types = array( 'audio', 'video', 'object', 'embed', 'iframe' );
- if ( ! empty( $types ) ) {
- if ( ! is_array( $types ) )
- $types = array( $types );
- $allowed_media_types = array_intersect( $allowed_media_types, $types );
- }
-
- foreach ( $allowed_media_types as $tag ) {
- if ( preg_match( '#' . get_tag_regex( $tag ) . '#', $content, $matches ) ) {
- $html[] = $matches[0];
- }
- }
-
- return $html;
- }
-
- /**
- * Retrieve galleries from the passed post's content.
- *
- * @since 3.6.0
- *
- * @param int|WP_Post $post Optional. Post ID or object.
- * @param bool $html Whether to return HTML or data in the array.
- * @return array A list of arrays, each containing gallery data and srcs parsed
- * from the expanded shortcode.
- */
- function get_post_galleries( $post, $html = true ) {
- if ( ! $post = get_post( $post ) )
- return array();
-
- if ( ! has_shortcode( $post->post_content, 'gallery' ) )
- return array();
-
- $galleries = array();
- if ( preg_match_all( '/' . get_shortcode_regex() . '/s', $post->post_content, $matches, PREG_SET_ORDER ) ) {
- foreach ( $matches as $shortcode ) {
- if ( 'gallery' === $shortcode[2] ) {
- $srcs = array();
-
- $gallery = do_shortcode_tag( $shortcode );
- if ( $html ) {
- $galleries[] = $gallery;
- } else {
- preg_match_all( '#src=([\'"])(.+?)\1#is', $gallery, $src, PREG_SET_ORDER );
- if ( ! empty( $src ) ) {
- foreach ( $src as $s )
- $srcs[] = $s[2];
- }
-
- $data = shortcode_parse_atts( $shortcode[3] );
- $data['src'] = array_values( array_unique( $srcs ) );
- $galleries[] = $data;
- }
- }
- }
- }
-
- /**
- * Filter the list of all found galleries in the given post.
- *
- * @since 3.6.0
- *
- * @param array $galleries Associative array of all found post galleries.
- * @param WP_Post $post Post object.
- */
- return apply_filters( 'get_post_galleries', $galleries, $post );
- }
-
- /**
- * Check a specified post's content for gallery and, if present, return the first
- *
- * @since 3.6.0
- *
- * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
- * @param bool $html Whether to return HTML or data.
- * @return string|array Gallery data and srcs parsed from the expanded shortcode.
- */
- function get_post_gallery( $post = 0, $html = true ) {
- $galleries = get_post_galleries( $post, $html );
- $gallery = reset( $galleries );
-
- /**
- * Filter the first-found post gallery.
- *
- * @since 3.6.0
- *
- * @param array $gallery The first-found post gallery.
- * @param int|WP_Post $post Post ID or object.
- * @param array $galleries Associative array of all found post galleries.
- */
- return apply_filters( 'get_post_gallery', $gallery, $post, $galleries );
- }
-
- /**
- * Retrieve the image srcs from galleries from a post's content, if present
- *
- * @since 3.6.0
- *
- * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
- * @return array A list of lists, each containing image srcs parsed.
- * from an expanded shortcode
- */
- function get_post_galleries_images( $post = 0 ) {
- $galleries = get_post_galleries( $post, false );
- return wp_list_pluck( $galleries, 'src' );
- }
-
- /**
- * Check a post's content for galleries and return the image srcs for the first found gallery
- *
- * @since 3.6.0
- *
- * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
- * @return array A list of a gallery's image srcs in order.
- */
- function get_post_gallery_images( $post = 0 ) {
- $gallery = get_post_gallery( $post, false );
- return empty( $gallery['src'] ) ? array() : $gallery['src'];
- }
-
- /**
- * Maybe attempt to generate attachment metadata, if missing.
- *
- * @since 3.9.0
- *
- * @param WP_Post $attachment Attachment object.
- */
- function wp_maybe_generate_attachment_metadata( $attachment ) {
- if ( empty( $attachment ) || ( empty( $attachment->ID ) || ! $attachment_id = (int) $attachment->ID ) ) {
- return;
- }
-
- $file = get_attached_file( $attachment_id );
- $meta = wp_get_attachment_metadata( $attachment_id );
- if ( empty( $meta ) && file_exists( $file ) ) {
- $_meta = get_post_meta( $attachment_id );
- $regeneration_lock = 'wp_generating_att_' . $attachment_id;
- if ( ! array_key_exists( '_wp_attachment_metadata', $_meta ) && ! get_transient( $regeneration_lock ) ) {
- set_transient( $regeneration_lock, $file );
- wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $file ) );
- delete_transient( $regeneration_lock );
- }
- }
- }
-
- /**
- * Try to convert an attachment URL into a post ID.
- *
- * @since 4.0.0
- *
- * @global wpdb $wpdb WordPress database access abstraction object.
- *
- * @param string $url The URL to resolve.
- * @return int The found post ID.
- */
- function attachment_url_to_postid( $url ) {
- global $wpdb;
-
- $dir = wp_upload_dir();
- $path = ltrim( $url, $dir['baseurl'] . '/' );
-
- $sql = $wpdb->prepare(
- "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attached_file' AND meta_value = %s",
- $path
- );
- $post_id = $wpdb->get_var( $sql );
- if ( ! empty( $post_id ) ) {
- return (int) $post_id;
- }
- }
-
- /**
- * Return the URls for CSS files used in an <iframe>-sandbox'd TinyMCE media view
- *
- * @since 4.0.0
- *
- * @global $wp_version
- *
- * @return array The relevant CSS file URLs.
- */
- function wpview_media_sandbox_styles() {
- $version = 'ver=' . $GLOBALS['wp_version'];
- $mediaelement = includes_url( "js/mediaelement/mediaelementplayer.min.css?$version" );
- $wpmediaelement = includes_url( "js/mediaelement/wp-mediaelement.css?$version" );
-
- return array( $mediaelement, $wpmediaelement );
- }