/wp-includes/media.php
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- <?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…
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