/inc/roots-cleanup.php
PHP | 537 lines | 310 code | 64 blank | 163 comment | 44 complexity | e6e214079900d68b8e01cc3eb1804b46 MD5 | raw file
Possible License(s): JSON
- <?php
- $roots_options = roots_get_theme_options();
- // redirect /?s to /search/
- // http://txfx.net/wordpress-plugins/nice-search/
- function roots_nice_search_redirect() {
- if (is_search() && strpos($_SERVER['REQUEST_URI'], '/wp-admin/') === false && strpos($_SERVER['REQUEST_URI'], '/search/') === false) {
- wp_redirect(home_url('/search/' . str_replace(array(' ', '%20'), array('+', '+'), urlencode(get_query_var('s')))), 301);
- exit();
- }
- }
- add_action('template_redirect', 'roots_nice_search_redirect');
- function roots_search_query($escaped = true) {
- $query = apply_filters('roots_search_query', get_query_var('s'));
- if ($escaped) {
- $query = esc_attr($query);
- }
- return urldecode($query);
- }
- add_filter('get_search_query', 'roots_search_query');
- // fix for empty search query
- // http://wordpress.org/support/topic/blank-search-sends-you-to-the-homepage#post-1772565
- function roots_request_filter($query_vars) {
- if (isset($_GET['s']) && empty($_GET['s'])) {
- $query_vars['s'] = " ";
- }
- return $query_vars;
- }
- add_filter('request', 'roots_request_filter');
- // root relative URLs for everything
- // inspired by http://www.456bereastreet.com/archive/201010/how_to_make_wordpress_urls_root_relative/
- // thanks to Scott Walkinshaw (scottwalkinshaw.com)
- function roots_root_relative_url($input) {
- $output = preg_replace_callback(
- '!(https?://[^/|"]+)([^"]+)?!',
- create_function(
- '$matches',
- // if full URL is site_url, return a slash for relative root
- 'if (isset($matches[0]) && $matches[0] === site_url()) { return "/";' .
- // if domain is equal to site_url, then make URL relative
- '} elseif (isset($matches[0]) && strpos($matches[0], site_url()) !== false) { return $matches[2];' .
- // if domain is not equal to site_url, do not make external link relative
- '} else { return $matches[0]; };'
- ),
- $input
- );
- return $output;
- }
- // Terrible workaround to remove the duplicate subfolder in the src of JS/CSS tags
- // Example: /subfolder/subfolder/css/style.css
- function roots_fix_duplicate_subfolder_urls($input) {
- $output = roots_root_relative_url($input);
- preg_match_all('!([^/]+)/([^/]+)!', $output, $matches);
- if (isset($matches[1]) && isset($matches[2])) {
- if ($matches[1][0] === $matches[2][0]) {
- $output = substr($output, strlen($matches[1][0]) + 1);
- }
- }
- return $output;
- }
- if (!is_admin() && !in_array($GLOBALS['pagenow'], array('wp-login.php', 'wp-register.php')) && $roots_options['root_relative_urls']) {
- add_filter('bloginfo_url', 'roots_root_relative_url');
- add_filter('theme_root_uri', 'roots_root_relative_url');
- add_filter('stylesheet_directory_uri', 'roots_root_relative_url');
- add_filter('template_directory_uri', 'roots_root_relative_url');
- add_filter('script_loader_src', 'roots_fix_duplicate_subfolder_urls');
- add_filter('style_loader_src', 'roots_fix_duplicate_subfolder_urls');
- add_filter('plugins_url', 'roots_root_relative_url');
- add_filter('the_permalink', 'roots_root_relative_url');
- add_filter('wp_list_pages', 'roots_root_relative_url');
- add_filter('wp_list_categories', 'roots_root_relative_url');
- add_filter('wp_nav_menu', 'roots_root_relative_url');
- add_filter('the_content_more_link', 'roots_root_relative_url');
- add_filter('the_tags', 'roots_root_relative_url');
- add_filter('get_pagenum_link', 'roots_root_relative_url');
- add_filter('get_comment_link', 'roots_root_relative_url');
- add_filter('month_link', 'roots_root_relative_url');
- add_filter('day_link', 'roots_root_relative_url');
- add_filter('year_link', 'roots_root_relative_url');
- add_filter('tag_link', 'roots_root_relative_url');
- add_filter('the_author_posts_link', 'roots_root_relative_url');
- }
- // remove root relative URLs on any attachments in the feed
- function roots_root_relative_attachment_urls() {
- global $roots_options;
- if (!is_feed() && $roots_options['root_relative_urls']) {
- add_filter('wp_get_attachment_url', 'roots_root_relative_url');
- add_filter('wp_get_attachment_link', 'roots_root_relative_url');
- }
- }
- add_action('pre_get_posts', 'roots_root_relative_attachment_urls');
- // set lang="en" as default (rather than en-US)
- function roots_language_attributes() {
- $attributes = array();
- $output = '';
- if (function_exists('is_rtl')) {
- if (is_rtl() == 'rtl') {
- $attributes[] = 'dir="rtl"';
- }
- }
- $lang = get_bloginfo('language');
- if ($lang && $lang !== 'en-US') {
- $attributes[] = "lang=\"$lang\"";
- } else {
- $attributes[] = 'lang="en"';
- }
- $output = implode(' ', $attributes);
- $output = apply_filters('roots_language_attributes', $output);
- return $output;
- }
- add_filter('language_attributes', 'roots_language_attributes');
- // remove WordPress version from RSS feed
- function roots_no_generator() { return ''; }
- add_filter('the_generator', 'roots_no_generator');
- // cleanup wp_head
- function roots_noindex() {
- if (get_option('blog_public') === '0') {
- echo '<meta name="robots" content="noindex,nofollow">', "\n";
- }
- }
- function roots_rel_canonical() {
- if (!is_singular()) {
- return;
- }
- global $wp_the_query;
- if (!$id = $wp_the_query->get_queried_object_id()) {
- return;
- }
- $link = get_permalink($id);
- echo "\t<link rel=\"canonical\" href=\"$link\">\n";
- }
- // remove CSS from recent comments widget
- function roots_remove_recent_comments_style() {
- global $wp_widget_factory;
- if (isset($wp_widget_factory->widgets['WP_Widget_Recent_Comments'])) {
- remove_action('wp_head', array($wp_widget_factory->widgets['WP_Widget_Recent_Comments'], 'recent_comments_style'));
- }
- }
- // remove CSS from gallery
- function roots_gallery_style($css) {
- return preg_replace("!<style type='text/css'>(.*?)</style>!s", '', $css);
- }
- function roots_head_cleanup() {
- // http://wpengineer.com/1438/wordpress-header/
- remove_action('wp_head', 'feed_links', 2);
- remove_action('wp_head', 'feed_links_extra', 3);
- remove_action('wp_head', 'rsd_link');
- remove_action('wp_head', 'wlwmanifest_link');
- remove_action('wp_head', 'index_rel_link');
- remove_action('wp_head', 'parent_post_rel_link', 10, 0);
- remove_action('wp_head', 'start_post_rel_link', 10, 0);
- remove_action('wp_head', 'adjacent_posts_rel_link_wp_head', 10, 0);
- remove_action('wp_head', 'wp_generator');
- remove_action('wp_head', 'wp_shortlink_wp_head', 10, 0);
- remove_action('wp_head', 'noindex', 1);
- add_action('wp_head', 'roots_noindex');
- remove_action('wp_head', 'rel_canonical');
- add_action('wp_head', 'roots_rel_canonical');
- add_action('wp_head', 'roots_remove_recent_comments_style', 1);
- add_filter('gallery_style', 'roots_gallery_style');
- // stop Gravity Forms from outputting CSS since it's linked in header.php
- if (class_exists('RGForms')) {
- update_option('rg_gforms_disable_css', 1);
- }
- // deregister l10n.js (new since WordPress 3.1)
- // why you might want to keep it: http://wordpress.stackexchange.com/questions/5451/what-does-l10n-js-do-in-wordpress-3-1-and-how-do-i-remove-it/5484#5484
- // don't load jQuery through WordPress since it's linked in header.php
- if (!is_admin()) {
- wp_deregister_script('l10n');
- wp_deregister_script('jquery');
- wp_register_script('jquery', '', '', '', true);
- }
- }
- add_action('init', 'roots_head_cleanup');
- // cleanup gallery_shortcode()
- function roots_gallery_shortcode($attr) {
- global $post, $wp_locale;
- static $instance = 0;
- $instance++;
- // Allow plugins/themes to override the default gallery template.
- $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']);
- }
- }
- extract(shortcode_atts(array(
- 'order' => 'ASC',
- 'orderby' => 'menu_order ID',
- 'id' => $post->ID,
- 'icontag' => 'figure',
- 'captiontag' => 'figcaption',
- 'columns' => 3,
- 'size' => 'thumbnail',
- 'include' => '',
- 'exclude' => ''
- ), $attr));
- $id = intval($id);
- if ('RAND' == $order) {
- $orderby = 'none';
- }
- if (!empty($include)) {
- $include = preg_replace( '/[^0-9,]+/', '', $include );
- $_attachments = get_posts( array('include' => $include, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $order, 'orderby' => $orderby) );
- $attachments = array();
- foreach ($_attachments as $key => $val) {
- $attachments[$val->ID] = $_attachments[$key];
- }
- } elseif (!empty($exclude)) {
- $exclude = preg_replace('/[^0-9,]+/', '', $exclude);
- $attachments = get_children(array('post_parent' => $id, 'exclude' => $exclude, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $order, 'orderby' => $orderby));
- } else {
- $attachments = get_children(array('post_parent' => $id, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $order, 'orderby' => $orderby));
- }
- if (empty($attachments)) {
- return '';
- }
- if (is_feed()) {
- $output = "\n";
- foreach ($attachments as $att_id => $attachment)
- $output .= wp_get_attachment_link($att_id, $size, true) . "\n";
- return $output;
- }
- $captiontag = tag_escape($captiontag);
- $columns = intval($columns);
- $itemwidth = $columns > 0 ? floor(100/$columns) : 100;
- $float = is_rtl() ? 'right' : 'left';
- $selector = "gallery-{$instance}";
- $gallery_style = $gallery_div = '';
- if (apply_filters('use_default_gallery_style', true)) {
- $gallery_style = "";
- }
- $size_class = sanitize_html_class($size);
- $gallery_div = "<section id='$selector' class='clearfix gallery galleryid-{$id} gallery-columns-{$columns} gallery-size-{$size_class}'>";
- $output = apply_filters('gallery_style', $gallery_style . "\n\t\t" . $gallery_div);
- $i = 0;
- foreach ($attachments as $id => $attachment) {
- // make the gallery link to the file by default instead of the attachment
- // thanks to Matt Price (countingrows.com)
- $link = isset($attr['link']) && $attr['link'] === 'attachment' ?
- wp_get_attachment_link($id, $size, true, false) :
- wp_get_attachment_link($id, $size, false, false);
- $output .= "
- <{$icontag} class=\"gallery-item\">
- $link
- ";
- if ($captiontag && trim($attachment->post_excerpt)) {
- $output .= "
- <{$captiontag} class=\"gallery-caption\">
- " . wptexturize($attachment->post_excerpt) . "
- </{$captiontag}>";
- }
- $output .= "</{$icontag}>";
- if ($columns > 0 && ++$i % $columns == 0) {
- $output .= '';
- }
- }
- $output .= "</section>\n";
- return $output;
- }
- remove_shortcode('gallery');
- add_shortcode('gallery', 'roots_gallery_shortcode');
- // http://www.deluxeblogtips.com/2011/01/remove-dashboard-widgets-in-wordpress.html
- function roots_remove_dashboard_widgets() {
- remove_meta_box('dashboard_incoming_links', 'dashboard', 'normal');
- remove_meta_box('dashboard_plugins', 'dashboard', 'normal');
- remove_meta_box('dashboard_primary', 'dashboard', 'normal');
- remove_meta_box('dashboard_secondary', 'dashboard', 'normal');
- }
- add_action('admin_init', 'roots_remove_dashboard_widgets');
- // excerpt cleanup
- function roots_excerpt_length($length) {
- return 40;
- }
- function roots_excerpt_more($more) {
- return ' … <a href="' . get_permalink() . '">' . __( 'Continued', 'roots' ) . '</a>';
- }
- add_filter('excerpt_length', 'roots_excerpt_length');
- add_filter('excerpt_more', 'roots_excerpt_more');
- // remove container from menus
- function roots_nav_menu_args($args = '') {
- $args['container'] = false;
- return $args;
- }
- add_filter('wp_nav_menu_args', 'roots_nav_menu_args');
- function roots_check_current($val) {
- return preg_match('/current-/', $val);
- }
- class Roots_Nav_Walker extends Walker_Nav_Menu {
- function start_el(&$output, $item, $depth, $args) {
- global $wp_query;
- $indent = ($depth) ? str_repeat("\t", $depth) : '';
- $slug = sanitize_title($item->title);
- $class_names = $value = '';
- $classes = empty($item->classes) ? array() : (array) $item->classes;
- $classes = array_filter($classes, 'roots_check_current');
- $class_names = join(' ', apply_filters('nav_menu_css_class', array_filter($classes), $item));
- $class_names = $class_names ? ' class="' . esc_attr($class_names) . '"' : '';
- $id = apply_filters('nav_menu_item_id', 'menu-' . $slug, $item, $args);
- $id = strlen($id) ? ' id="' . esc_attr( $id ) . '"' : '';
- $output .= $indent . '<li' . $id . $class_names . '>';
- $attributes = ! empty($item->attr_title) ? ' title="' . esc_attr($item->attr_title) .'"' : '';
- $attributes .= ! empty($item->target) ? ' target="' . esc_attr($item->target ) .'"' : '';
- $attributes .= ! empty($item->xfn) ? ' rel="' . esc_attr($item->xfn ) .'"' : '';
- $attributes .= ! empty($item->url) ? ' href="' . esc_attr($item->url ) .'"' : '';
- $item_output = $args->before;
- $item_output .= '<a'. $attributes .'>';
- $item_output .= $args->link_before . apply_filters('the_title', $item->title, $item->ID) . $args->link_after;
- $item_output .= '</a>';
- $item_output .= $args->after;
- $output .= apply_filters('walker_nav_menu_start_el', $item_output, $item, $depth, $args);
- }
- }
- // use the clean nav menu walker for all nav menus if the option is set
- function roots_default_wp_nav_menu_walker($args = '') {
- global $roots_options;
- if ($roots_options['clean_menu']) {
- $args['walker'] = new Roots_Nav_Walker();
- }
- return $args;
- }
- add_filter('wp_nav_menu_args', 'roots_default_wp_nav_menu_walker');
- // add to robots.txt
- // http://codex.wordpress.org/Search_Engine_Optimization_for_WordPress#Robots.txt_Optimization
- function roots_robots() {
- echo "Disallow: /cgi-bin\n";
- echo "Disallow: /wp-admin\n";
- echo "Disallow: /wp-includes\n";
- echo "Disallow: /wp-content/plugins\n";
- echo "Disallow: /plugins\n";
- echo "Disallow: /wp-content/cache\n";
- echo "Disallow: /wp-content/themes\n";
- echo "Disallow: /trackback\n";
- echo "Disallow: /feed\n";
- echo "Disallow: /comments\n";
- echo "Disallow: /category/*/*\n";
- echo "Disallow: */trackback\n";
- echo "Disallow: */feed\n";
- echo "Disallow: */comments\n";
- echo "Disallow: /*?*\n";
- echo "Disallow: /*?\n";
- echo "Allow: /wp-content/uploads\n";
- echo "Allow: /assets";
- }
- add_action('do_robots', 'roots_robots');
- // we don't need to self-close these tags in html5:
- // <img>, <input>
- function roots_remove_self_closing_tags($input) {
- return str_replace(' />', '>', $input);
- }
- add_filter('get_avatar', 'roots_remove_self_closing_tags');
- add_filter('comment_id_fields', 'roots_remove_self_closing_tags');
- add_filter('post_thumbnail_html', 'roots_remove_self_closing_tags');
- // check to see if the tagline is set to default
- // show an admin notice to update if it hasn't been changed
- // you want to change this or remove it because it's used as the description in the RSS feed
- function roots_notice_tagline() {
- global $current_user;
- $user_id = $current_user->ID;
- if (!get_user_meta($user_id, 'ignore_tagline_notice')) {
- echo '<div class="error">';
- echo '<p>', sprintf(__('Please update your <a href="%s">site tagline</a> <a href="%s" style="float: right;">Hide Notice</a>', 'roots'), admin_url('options-general.php'), '?tagline_notice_ignore=0'), '</p>';
- echo '</div>';
- }
- }
- if ((get_option('blogdescription') === 'Just another WordPress site') && isset($_GET['page']) != 'theme_activation_options') {
- add_action('admin_notices', 'roots_notice_tagline');
- }
- function roots_notice_tagline_ignore() {
- global $current_user;
- $user_id = $current_user->ID;
- if (isset($_GET['tagline_notice_ignore']) && '0' == $_GET['tagline_notice_ignore']) {
- add_user_meta($user_id, 'ignore_tagline_notice', 'true', true);
- }
- }
- add_action('admin_init', 'roots_notice_tagline_ignore');
- // set the post revisions to 5 unless the constant
- // was set in wp-config.php to avoid DB bloat
- if (!defined('WP_POST_REVISIONS')) define('WP_POST_REVISIONS', 5);
- // allow more tags in TinyMCE including <iframe> and <script>
- function roots_change_mce_options($options) {
- $ext = 'pre[id|name|class|style],iframe[align|longdesc|name|width|height|frameborder|scrolling|marginheight|marginwidth|src],script[charset|defer|language|src|type]';
- if (isset($initArray['extended_valid_elements'])) {
- $options['extended_valid_elements'] .= ',' . $ext;
- } else {
- $options['extended_valid_elements'] = $ext;
- }
- return $options;
- }
- add_filter('tiny_mce_before_init', 'roots_change_mce_options');
- //clean up the default WordPress style tags
- add_filter('style_loader_tag', 'roots_clean_style_tag');
- function roots_clean_style_tag($input) {
- preg_match_all("!<link rel='stylesheet'\s?(id='[^']+')?\s+href='(.*)' type='text/css' media='(.*)' />!", $input, $matches);
- //only display media if it's print
- $media = $matches[3][0] === 'print' ? ' media="print"' : '';
- return '<link rel="stylesheet" href="' . $matches[2][0] . '"' . $media . '>' . "\n";
- }
- function roots_body_class() {
- $term = get_queried_object();
- if (is_single()) {
- $cat = get_the_category();
- }
- if(!empty($cat)) {
- return $cat[0]->slug;
- } elseif(isset($term->slug)) {
- return $term->slug;
- } elseif(isset($term->page_name)) {
- return $term->page_name;
- } elseif(isset($term->post_name)) {
- return $term->post_name;
- } else {
- return;
- }
- }
- // first and last classes for widgets
- // http://wordpress.org/support/topic/how-to-first-and-last-css-classes-for-sidebar-widgets
- function roots_widget_first_last_classes($params) {
- global $my_widget_num;
- $this_id = $params[0]['id'];
- $arr_registered_widgets = wp_get_sidebars_widgets();
- if (!$my_widget_num) {
- $my_widget_num = array();
- }
- if (!isset($arr_registered_widgets[$this_id]) || !is_array($arr_registered_widgets[$this_id])) {
- return $params;
- }
- if (isset($my_widget_num[$this_id])) {
- $my_widget_num[$this_id] ++;
- } else {
- $my_widget_num[$this_id] = 1;
- }
- $class = 'class="widget-' . $my_widget_num[$this_id] . ' ';
- if ($my_widget_num[$this_id] == 1) {
- $class .= 'widget-first ';
- } elseif ($my_widget_num[$this_id] == count($arr_registered_widgets[$this_id])) {
- $class .= 'widget-last ';
- }
- $params[0]['before_widget'] = str_replace('class="', $class, $params[0]['before_widget']);
- return $params;
- }
- add_filter('dynamic_sidebar_params', 'roots_widget_first_last_classes');
- ?>