WordPress 4.4
[autoinstalls/wordpress.git] / wp-includes / default-filters.php
index cc6e07fa97ce3f46d56d520675a4862712f485b9..1faa084cf76df73c4ce19083475d83a877e7035d 100644 (file)
@@ -74,9 +74,7 @@ foreach ( array( 'user_url', 'link_url', 'link_image', 'link_rss', 'comment_url'
 }
 
 // Slugs
-foreach ( array( 'pre_term_slug' ) as $filter ) {
-       add_filter( $filter, 'sanitize_title' );
-}
+add_filter( 'pre_term_slug', 'sanitize_title' );
 
 // Keys
 foreach ( array( 'pre_post_type', 'pre_post_status', 'pre_post_comment_status', 'pre_post_ping_status' ) as $filter ) {
@@ -89,6 +87,7 @@ add_filter( 'post_mime_type', 'sanitize_mime_type' );
 
 // Places to balance tags on input
 foreach ( array( 'content_save_pre', 'excerpt_save_pre', 'comment_save_pre', 'pre_comment_content' ) as $filter ) {
+       add_filter( $filter, 'convert_invalid_entities' );
        add_filter( $filter, 'balanceTags', 50 );
 }
 
@@ -100,7 +99,7 @@ foreach ( array( 'comment_author', 'term_name', 'link_name', 'link_description',
 }
 
 // Format WordPress
-foreach ( array( 'the_content', 'the_title' ) as $filter )
+foreach ( array( 'the_content', 'the_title', 'wp_title' ) as $filter )
        add_filter( $filter, 'capital_P_dangit', 11 );
 add_filter( 'comment_text', 'capital_P_dangit', 31 );
 
@@ -119,9 +118,7 @@ foreach ( array( 'term_description' ) as $filter ) {
 }
 
 // Format for RSS
-foreach ( array( 'term_name_rss' ) as $filter ) {
-       add_filter( $filter, 'convert_chars' );
-}
+add_filter( 'term_name_rss', 'convert_chars' );
 
 // Pre save hierarchy
 add_filter( 'wp_insert_post_parent', 'wp_check_post_hierarchy_for_loops', 10, 2 );
@@ -132,12 +129,12 @@ add_filter( 'the_title', 'wptexturize'   );
 add_filter( 'the_title', 'convert_chars' );
 add_filter( 'the_title', 'trim'          );
 
-add_filter( 'the_content', 'wptexturize'        );
-add_filter( 'the_content', 'convert_smilies'    );
-add_filter( 'the_content', 'convert_chars'      );
-add_filter( 'the_content', 'wpautop'            );
-add_filter( 'the_content', 'shortcode_unautop'  );
-add_filter( 'the_content', 'prepend_attachment' );
+add_filter( 'the_content', 'wptexturize'                       );
+add_filter( 'the_content', 'convert_smilies'                   );
+add_filter( 'the_content', 'wpautop'                           );
+add_filter( 'the_content', 'shortcode_unautop'                 );
+add_filter( 'the_content', 'prepend_attachment'                );
+add_filter( 'the_content', 'wp_make_content_images_responsive' );
 
 add_filter( 'the_excerpt',     'wptexturize'      );
 add_filter( 'the_excerpt',     'convert_smilies'  );
@@ -159,25 +156,38 @@ add_filter( 'list_cats',         'wptexturize' );
 
 add_filter( 'wp_sprintf', 'wp_sprintf_l', 10, 2 );
 
+add_filter( 'widget_text', 'balanceTags' );
+
+add_filter( 'date_i18n', 'wp_maybe_decline_date' );
+
 // RSS filters
-add_filter( 'the_title_rss',      'strip_tags'      );
-add_filter( 'the_title_rss',      'ent2ncr',      8 );
-add_filter( 'the_title_rss',      'esc_html'        );
-add_filter( 'the_content_rss',    'ent2ncr',      8 );
-add_filter( 'the_excerpt_rss',    'convert_chars'   );
-add_filter( 'the_excerpt_rss',    'ent2ncr',      8 );
-add_filter( 'comment_author_rss', 'ent2ncr',      8 );
-add_filter( 'comment_text_rss',   'ent2ncr',      8 );
-add_filter( 'comment_text_rss',   'esc_html'        );
-add_filter( 'bloginfo_rss',       'ent2ncr',      8 );
-add_filter( 'the_author',         'ent2ncr',      8 );
+add_filter( 'the_title_rss',      'strip_tags'                    );
+add_filter( 'the_title_rss',      'ent2ncr',                    8 );
+add_filter( 'the_title_rss',      'esc_html'                      );
+add_filter( 'the_content_rss',    'ent2ncr',                    8 );
+add_filter( 'the_content_feed',   'wp_staticize_emoji'            );
+add_filter( 'the_content_feed',   '_oembed_filter_feed_content'   );
+add_filter( 'the_excerpt_rss',    'convert_chars'                 );
+add_filter( 'the_excerpt_rss',    'ent2ncr',                    8 );
+add_filter( 'comment_author_rss', 'ent2ncr',                    8 );
+add_filter( 'comment_text_rss',   'ent2ncr',                    8 );
+add_filter( 'comment_text_rss',   'esc_html'                      );
+add_filter( 'comment_text_rss',   'wp_staticize_emoji'            );
+add_filter( 'bloginfo_rss',       'ent2ncr',                    8 );
+add_filter( 'the_author',         'ent2ncr',                    8 );
+add_filter( 'the_guid',           'esc_url'                       );
+
+// Email filters
+add_filter( 'wp_mail', 'wp_staticize_emoji_for_email' );
 
 // Misc filters
 add_filter( 'option_ping_sites',        'privacy_ping_filter'                 );
 add_filter( 'option_blog_charset',      '_wp_specialchars'                    ); // IMPORTANT: This must not be wp_specialchars() or esc_html() or it'll cause an infinite loop
+add_filter( 'option_blog_charset',      '_canonical_charset'                  );
 add_filter( 'option_home',              '_config_wp_home'                     );
 add_filter( 'option_siteurl',           '_config_wp_siteurl'                  );
 add_filter( 'tiny_mce_before_init',     '_mce_set_direction'                  );
+add_filter( 'teeny_mce_before_init',    '_mce_set_direction'                  );
 add_filter( 'pre_kses',                 'wp_pre_kses_less_than'               );
 add_filter( 'sanitize_title',           'sanitize_title_with_dashes',   10, 3 );
 add_action( 'check_comment_flood',      'check_comment_flood_db',       10, 3 );
@@ -194,8 +204,23 @@ add_filter( 'editable_slug',            'esc_textarea'                        );
 add_filter( 'nav_menu_meta_box_object', '_wp_nav_menu_meta_box_object'        );
 add_filter( 'pingback_ping_source_uri', 'pingback_ping_source_uri'            );
 add_filter( 'xmlrpc_pingback_error',    'xmlrpc_pingback_error'               );
+add_filter( 'title_save_pre',           'trim'                                );
+
+add_filter( 'http_request_host_is_external', 'allowed_http_request_hosts', 10, 2 );
+
+// REST API filters.
+add_action( 'xmlrpc_rsd_apis',            'rest_output_rsd' );
+add_action( 'wp_head',                    'rest_output_link_wp_head', 10, 0 );
+add_action( 'template_redirect',          'rest_output_link_header', 11, 0 );
+add_action( 'auth_cookie_malformed',      'rest_cookie_collect_status' );
+add_action( 'auth_cookie_expired',        'rest_cookie_collect_status' );
+add_action( 'auth_cookie_bad_username',   'rest_cookie_collect_status' );
+add_action( 'auth_cookie_bad_hash',       'rest_cookie_collect_status' );
+add_action( 'auth_cookie_valid',          'rest_cookie_collect_status' );
+add_filter( 'rest_authentication_errors', 'rest_cookie_check_errors', 100 );
 
 // Actions
+add_action( 'wp_head',             '_wp_render_title_tag',            1     );
 add_action( 'wp_head',             'wp_enqueue_scripts',              1     );
 add_action( 'wp_head',             'feed_links',                      2     );
 add_action( 'wp_head',             'feed_links_extra',                3     );
@@ -205,22 +230,26 @@ add_action( 'wp_head',             'adjacent_posts_rel_link_wp_head', 10, 0 );
 add_action( 'wp_head',             'locale_stylesheet'                      );
 add_action( 'publish_future_post', 'check_and_publish_future_post',   10, 1 );
 add_action( 'wp_head',             'noindex',                          1    );
+add_action( 'wp_head',             'print_emoji_detection_script',     7    );
 add_action( 'wp_head',             'wp_print_styles',                  8    );
 add_action( 'wp_head',             'wp_print_head_scripts',            9    );
 add_action( 'wp_head',             'wp_generator'                           );
 add_action( 'wp_head',             'rel_canonical'                          );
-add_action( 'wp_footer',           'wp_print_footer_scripts',         20    );
 add_action( 'wp_head',             'wp_shortlink_wp_head',            10, 0 );
+add_action( 'wp_head',             'wp_site_icon',                    99    );
+add_action( 'wp_footer',           'wp_print_footer_scripts',         20    );
 add_action( 'template_redirect',   'wp_shortlink_header',             11, 0 );
 add_action( 'wp_print_footer_scripts', '_wp_footer_scripts'                 );
 add_action( 'init',                'check_theme_switched',            99    );
 add_action( 'after_switch_theme',  '_wp_sidebars_changed'                   );
+add_action( 'wp_print_styles',     'print_emoji_styles'                     );
 
 if ( isset( $_GET['replytocom'] ) )
     add_action( 'wp_head', 'wp_no_robots' );
 
 // Login actions
 add_action( 'login_head',          'wp_print_head_scripts',         9     );
+add_action( 'login_head',          'wp_site_icon',                  99    );
 add_action( 'login_footer',        'wp_print_footer_scripts',       20    );
 add_action( 'login_init',          'send_frame_options_header',     10, 0 );
 
@@ -229,6 +258,11 @@ foreach ( array( 'rss2_head', 'commentsrss2_head', 'rss_head', 'rdf_header', 'at
        add_action( $action, 'the_generator' );
 }
 
+// Feed Site Icon
+add_action( 'atom_head', 'atom_site_icon' );
+add_action( 'rss2_head', 'rss2_site_icon' );
+
+
 // WP Cron
 if ( !defined( 'DOING_CRON' ) )
        add_action( 'init', 'wp_cron' );
@@ -242,14 +276,17 @@ add_action( 'do_pings',                   'do_all_pings',
 add_action( 'do_robots',                  'do_robots'                                      );
 add_action( 'set_comment_cookies',        'wp_set_comment_cookies',                  10, 2 );
 add_action( 'sanitize_comment_cookies',   'sanitize_comment_cookies'                       );
+add_action( 'admin_print_scripts',        'print_emoji_detection_script'                   );
 add_action( 'admin_print_scripts',        'print_head_scripts',                      20    );
 add_action( 'admin_print_footer_scripts', '_wp_footer_scripts'                             );
+add_action( 'admin_print_styles',         'print_emoji_styles'                             );
 add_action( 'admin_print_styles',         'print_admin_styles',                      20    );
 add_action( 'init',                       'smilies_init',                             5    );
 add_action( 'plugins_loaded',             'wp_maybe_load_widgets',                    0    );
 add_action( 'plugins_loaded',             'wp_maybe_load_embeds',                     0    );
 add_action( 'shutdown',                   'wp_ob_end_flush_all',                      1    );
-add_action( 'pre_post_update',            'wp_save_post_revision'                          );
+// Create a revision whenever a post is updated.
+add_action( 'post_updated',               'wp_save_post_revision',                   10, 1 );
 add_action( 'publish_post',               '_publish_post_hook',                       5, 1 );
 add_action( 'transition_post_status',     '_transition_post_status',                  5, 3 );
 add_action( 'transition_post_status',     '_update_term_count_on_transition_post_status', 10, 3 );
@@ -263,7 +300,7 @@ add_action( 'welcome_panel',              'wp_welcome_panel'
 
 // Navigation menu actions
 add_action( 'delete_post',                '_wp_delete_post_menu_item'         );
-add_action( 'delete_term',                '_wp_delete_tax_menu_item'          );
+add_action( 'delete_term',                '_wp_delete_tax_menu_item',   10, 3 );
 add_action( 'transition_post_status',     '_wp_auto_add_pages_to_menu', 10, 3 );
 
 // Post Thumbnail CSS class filtering
@@ -271,12 +308,16 @@ add_action( 'begin_fetch_post_thumbnail_html', '_wp_post_thumbnail_class_filter_
 add_action( 'end_fetch_post_thumbnail_html',   '_wp_post_thumbnail_class_filter_remove' );
 
 // Redirect Old Slugs
-add_action( 'template_redirect', 'wp_old_slug_redirect'              );
-add_action( 'post_updated',      'wp_check_for_changed_slugs', 12, 3 );
+add_action( 'template_redirect',  'wp_old_slug_redirect'              );
+add_action( 'post_updated',       'wp_check_for_changed_slugs', 12, 3 );
+add_action( 'attachment_updated', 'wp_check_for_changed_slugs', 12, 3 );
 
 // Nonce check for Post Previews
 add_action( 'init', '_show_post_preview' );
 
+// Output JS to reset window.name for previews
+add_action( 'wp_head', 'wp_post_preview_js', 1 );
+
 // Timezone
 add_filter( 'pre_option_gmt_offset','wp_timezone_override_offset' );
 
@@ -290,4 +331,147 @@ add_filter( 'default_option_link_manager_enabled', '__return_true' );
 // This option no longer exists; tell plugins we always support auto-embedding.
 add_filter( 'default_option_embed_autourls', '__return_true' );
 
-unset($filter, $action);
+// Default settings for heartbeat
+add_filter( 'heartbeat_settings', 'wp_heartbeat_settings' );
+
+// Check if the user is logged out
+add_action( 'admin_enqueue_scripts', 'wp_auth_check_load' );
+add_filter( 'heartbeat_send',        'wp_auth_check' );
+add_filter( 'heartbeat_nopriv_send', 'wp_auth_check' );
+
+// Default authentication filters
+add_filter( 'authenticate', 'wp_authenticate_username_password',  20, 3 );
+add_filter( 'authenticate', 'wp_authenticate_spam_check',         99    );
+add_filter( 'determine_current_user', 'wp_validate_auth_cookie'          );
+add_filter( 'determine_current_user', 'wp_validate_logged_in_cookie', 20 );
+
+// Split term updates.
+add_action( 'admin_init',        '_wp_check_for_scheduled_split_terms' );
+add_action( 'split_shared_term', '_wp_check_split_default_terms',  10, 4 );
+add_action( 'split_shared_term', '_wp_check_split_terms_in_menus', 10, 4 );
+add_action( 'split_shared_term', '_wp_check_split_nav_menu_terms', 10, 4 );
+add_action( 'wp_split_shared_term_batch', '_wp_batch_split_terms' );
+
+// Email notifications.
+add_action( 'comment_post', 'wp_new_comment_notify_moderator' );
+add_action( 'comment_post', 'wp_new_comment_notify_postauthor' );
+add_action( 'after_password_reset', 'wp_password_change_notification' );
+add_action( 'register_new_user',      'wp_send_new_user_notifications' );
+add_action( 'edit_user_created_user', 'wp_send_new_user_notifications', 10, 2 );
+
+// REST API actions.
+add_action( 'init',          'rest_api_init' );
+add_action( 'rest_api_init', 'rest_api_default_filters', 10, 1 );
+add_action( 'parse_request', 'rest_api_loaded' );
+
+/**
+ * Filters formerly mixed into wp-includes
+ */
+// Theme
+add_action( 'wp_loaded', '_custom_header_background_just_in_time' );
+add_action( 'plugins_loaded', '_wp_customize_include' );
+add_action( 'admin_enqueue_scripts', '_wp_customize_loader_settings' );
+add_action( 'delete_attachment', '_delete_attachment_theme_mod' );
+
+// Calendar widget cache
+add_action( 'save_post', 'delete_get_calendar_cache' );
+add_action( 'delete_post', 'delete_get_calendar_cache' );
+add_action( 'update_option_start_of_week', 'delete_get_calendar_cache' );
+add_action( 'update_option_gmt_offset', 'delete_get_calendar_cache' );
+
+// Author
+add_action( 'transition_post_status', '__clear_multi_author_cache' );
+
+// Post
+add_action( 'init', 'create_initial_post_types', 0 ); // highest priority
+add_action( 'admin_menu', '_add_post_type_submenus' );
+add_action( 'before_delete_post', '_reset_front_page_settings_for_post' );
+add_action( 'wp_trash_post',      '_reset_front_page_settings_for_post' );
+
+// Post Formats
+add_filter( 'request', '_post_format_request' );
+add_filter( 'term_link', '_post_format_link', 10, 3 );
+add_filter( 'get_post_format', '_post_format_get_term' );
+add_filter( 'get_terms', '_post_format_get_terms', 10, 3 );
+add_filter( 'wp_get_object_terms', '_post_format_wp_get_object_terms' );
+
+// KSES
+add_action( 'init', 'kses_init' );
+add_action( 'set_current_user', 'kses_init' );
+
+// Script Loader
+add_action( 'wp_default_scripts', 'wp_default_scripts' );
+add_filter( 'wp_print_scripts', 'wp_just_in_time_script_localization' );
+add_filter( 'print_scripts_array', 'wp_prototype_before_jquery' );
+
+add_action( 'wp_default_styles', 'wp_default_styles' );
+add_filter( 'style_loader_src', 'wp_style_loader_src', 10, 2 );
+
+// Taxonomy
+add_action( 'init', 'create_initial_taxonomies', 0 ); // highest priority
+
+// Canonical
+add_action( 'template_redirect', 'redirect_canonical' );
+add_action( 'template_redirect', 'wp_redirect_admin_locations', 1000 );
+
+// Shortcodes
+add_filter( 'the_content', 'do_shortcode', 11 ); // AFTER wpautop()
+
+// Media
+add_action( 'wp_playlist_scripts', 'wp_playlist_scripts' );
+add_action( 'customize_controls_enqueue_scripts', 'wp_plupload_default_settings' );
+
+// Nav menu
+add_filter( 'nav_menu_item_id', '_nav_menu_item_id_use_once', 10, 2 );
+
+// Widgets
+add_action( 'init', 'wp_widgets_init', 1 );
+
+// Admin Bar
+// Don't remove. Wrong way to disable.
+add_action( 'template_redirect', '_wp_admin_bar_init', 0 );
+add_action( 'admin_init', '_wp_admin_bar_init' );
+add_action( 'before_signup_header', '_wp_admin_bar_init' );
+add_action( 'activate_header', '_wp_admin_bar_init' );
+add_action( 'wp_footer', 'wp_admin_bar_render', 1000 );
+add_action( 'in_admin_header', 'wp_admin_bar_render', 0 );
+
+// Former admin filters that can also be hooked on the front end
+add_action( 'media_buttons', 'media_buttons' );
+add_filter( 'image_send_to_editor', 'image_add_caption', 20, 8 );
+add_filter( 'media_send_to_editor', 'image_media_send_to_editor', 10, 3 );
+
+// Embeds
+add_action( 'rest_api_init',          'wp_oembed_register_route'              );
+add_filter( 'rest_pre_serve_request', '_oembed_rest_pre_serve_request', 10, 4 );
+
+add_action( 'wp_head',                'wp_oembed_add_discovery_links'         );
+add_action( 'wp_head',                'wp_oembed_add_host_js'                 );
+
+add_action( 'embed_head',             'enqueue_embed_scripts',           1    );
+add_action( 'embed_head',             'print_emoji_detection_script'          );
+add_action( 'embed_head',             'print_embed_styles'                    );
+add_action( 'embed_head',             'wp_print_head_scripts',          20    );
+add_action( 'embed_head',             'wp_print_styles',                20    );
+add_action( 'embed_head',             'wp_no_robots'                          );
+add_action( 'embed_head',             'rel_canonical'                         );
+add_action( 'embed_head',             'locale_stylesheet'                     );
+
+add_action( 'embed_content_meta',     'print_embed_comments_button'           );
+add_action( 'embed_content_meta',     'print_embed_sharing_button'            );
+
+add_action( 'embed_footer',           'print_embed_sharing_dialog'            );
+add_action( 'embed_footer',           'print_embed_scripts'                   );
+add_action( 'embed_footer',           'wp_print_footer_scripts',        20    );
+
+add_filter( 'excerpt_more',           'wp_embed_excerpt_more',          20    );
+add_filter( 'the_excerpt_embed',      'wptexturize'                           );
+add_filter( 'the_excerpt_embed',      'convert_chars'                         );
+add_filter( 'the_excerpt_embed',      'wpautop'                               );
+add_filter( 'the_excerpt_embed',      'shortcode_unautop'                     );
+add_filter( 'the_excerpt_embed',      'wp_embed_excerpt_attachment'           );
+
+add_filter( 'oembed_dataparse',       'wp_filter_oembed_result',        10, 3 );
+add_filter( 'oembed_response_data',   'get_oembed_response_data_rich',  10, 4 );
+
+unset( $filter, $action );