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/wp-includes/ -> default-filters.php (source)

   1  <?php
   2  /**
   3   * Sets up the default filters and actions for most
   4   * of the WordPress hooks.
   5   *
   6   * If you need to remove a default hook, this file will
   7   * give you the priority for which to use to remove the
   8   * hook.
   9   *
  10   * Not all of the default hooks are found in default-filters.php
  11   *
  12   * @package WordPress
  13   */
  14  
  15  // Strip, trim, kses, special chars for string saves.
  16  foreach ( array( 'pre_term_name', 'pre_comment_author_name', 'pre_link_name', 'pre_link_target', 'pre_link_rel', 'pre_user_display_name', 'pre_user_first_name', 'pre_user_last_name', 'pre_user_nickname' ) as $filter ) {
  17      add_filter( $filter, 'sanitize_text_field' );
  18      add_filter( $filter, 'wp_filter_kses' );
  19      add_filter( $filter, '_wp_specialchars', 30 );
  20  }
  21  
  22  // Strip, kses, special chars for string display.
  23  foreach ( array( 'term_name', 'comment_author_name', 'link_name', 'link_target', 'link_rel', 'user_display_name', 'user_first_name', 'user_last_name', 'user_nickname' ) as $filter ) {
  24      if ( is_admin() ) {
  25          // These are expensive. Run only on admin pages for defense in depth.
  26          add_filter( $filter, 'sanitize_text_field' );
  27          add_filter( $filter, 'wp_kses_data' );
  28      }
  29      add_filter( $filter, '_wp_specialchars', 30 );
  30  }
  31  
  32  // Kses only for textarea saves.
  33  foreach ( array( 'pre_term_description', 'pre_link_description', 'pre_link_notes', 'pre_user_description' ) as $filter ) {
  34      add_filter( $filter, 'wp_filter_kses' );
  35  }
  36  
  37  // Kses only for textarea admin displays.
  38  if ( is_admin() ) {
  39      foreach ( array( 'term_description', 'link_description', 'link_notes', 'user_description' ) as $filter ) {
  40          add_filter( $filter, 'wp_kses_data' );
  41      }
  42      add_filter( 'comment_text', 'wp_kses_post' );
  43  }
  44  
  45  // Email saves.
  46  foreach ( array( 'pre_comment_author_email', 'pre_user_email' ) as $filter ) {
  47      add_filter( $filter, 'trim' );
  48      add_filter( $filter, 'sanitize_email' );
  49      add_filter( $filter, 'wp_filter_kses' );
  50  }
  51  
  52  // Email admin display.
  53  foreach ( array( 'comment_author_email', 'user_email' ) as $filter ) {
  54      add_filter( $filter, 'sanitize_email' );
  55      if ( is_admin() ) {
  56          add_filter( $filter, 'wp_kses_data' );
  57      }
  58  }
  59  
  60  // Save URL.
  61  foreach ( array(
  62      'pre_comment_author_url',
  63      'pre_user_url',
  64      'pre_link_url',
  65      'pre_link_image',
  66      'pre_link_rss',
  67      'pre_post_guid',
  68  ) as $filter ) {
  69      add_filter( $filter, 'wp_strip_all_tags' );
  70      add_filter( $filter, 'esc_url_raw' );
  71      add_filter( $filter, 'wp_filter_kses' );
  72  }
  73  
  74  // Display URL.
  75  foreach ( array( 'user_url', 'link_url', 'link_image', 'link_rss', 'comment_url', 'post_guid' ) as $filter ) {
  76      if ( is_admin() ) {
  77          add_filter( $filter, 'wp_strip_all_tags' );
  78      }
  79      add_filter( $filter, 'esc_url' );
  80      if ( is_admin() ) {
  81          add_filter( $filter, 'wp_kses_data' );
  82      }
  83  }
  84  
  85  // Slugs.
  86  add_filter( 'pre_term_slug', 'sanitize_title' );
  87  add_filter( 'wp_insert_post_data', '_wp_customize_changeset_filter_insert_post_data', 10, 2 );
  88  
  89  // Keys.
  90  foreach ( array( 'pre_post_type', 'pre_post_status', 'pre_post_comment_status', 'pre_post_ping_status' ) as $filter ) {
  91      add_filter( $filter, 'sanitize_key' );
  92  }
  93  
  94  // Mime types.
  95  add_filter( 'pre_post_mime_type', 'sanitize_mime_type' );
  96  add_filter( 'post_mime_type', 'sanitize_mime_type' );
  97  
  98  // Meta.
  99  add_filter( 'register_meta_args', '_wp_register_meta_args_allowed_list', 10, 2 );
 100  
 101  // Post meta.
 102  add_action( 'added_post_meta', 'wp_cache_set_posts_last_changed' );
 103  add_action( 'updated_post_meta', 'wp_cache_set_posts_last_changed' );
 104  add_action( 'deleted_post_meta', 'wp_cache_set_posts_last_changed' );
 105  
 106  // Term meta.
 107  add_action( 'added_term_meta', 'wp_cache_set_terms_last_changed' );
 108  add_action( 'updated_term_meta', 'wp_cache_set_terms_last_changed' );
 109  add_action( 'deleted_term_meta', 'wp_cache_set_terms_last_changed' );
 110  add_filter( 'get_term_metadata', 'wp_check_term_meta_support_prefilter' );
 111  add_filter( 'add_term_metadata', 'wp_check_term_meta_support_prefilter' );
 112  add_filter( 'update_term_metadata', 'wp_check_term_meta_support_prefilter' );
 113  add_filter( 'delete_term_metadata', 'wp_check_term_meta_support_prefilter' );
 114  add_filter( 'get_term_metadata_by_mid', 'wp_check_term_meta_support_prefilter' );
 115  add_filter( 'update_term_metadata_by_mid', 'wp_check_term_meta_support_prefilter' );
 116  add_filter( 'delete_term_metadata_by_mid', 'wp_check_term_meta_support_prefilter' );
 117  add_filter( 'update_term_metadata_cache', 'wp_check_term_meta_support_prefilter' );
 118  
 119  // Comment meta.
 120  add_action( 'added_comment_meta', 'wp_cache_set_comments_last_changed' );
 121  add_action( 'updated_comment_meta', 'wp_cache_set_comments_last_changed' );
 122  add_action( 'deleted_comment_meta', 'wp_cache_set_comments_last_changed' );
 123  
 124  // Places to balance tags on input.
 125  foreach ( array( 'content_save_pre', 'excerpt_save_pre', 'comment_save_pre', 'pre_comment_content' ) as $filter ) {
 126      add_filter( $filter, 'convert_invalid_entities' );
 127      add_filter( $filter, 'balanceTags', 50 );
 128  }
 129  
 130  // Add proper rel values for links with target.
 131  add_action( 'init', 'wp_init_targeted_link_rel_filters' );
 132  
 133  // Format strings for display.
 134  foreach ( array( 'comment_author', 'term_name', 'link_name', 'link_description', 'link_notes', 'bloginfo', 'wp_title', 'widget_title' ) as $filter ) {
 135      add_filter( $filter, 'wptexturize' );
 136      add_filter( $filter, 'convert_chars' );
 137      add_filter( $filter, 'esc_html' );
 138  }
 139  
 140  // Format WordPress.
 141  foreach ( array( 'the_content', 'the_title', 'wp_title' ) as $filter ) {
 142      add_filter( $filter, 'capital_P_dangit', 11 );
 143  }
 144  add_filter( 'comment_text', 'capital_P_dangit', 31 );
 145  
 146  // Format titles.
 147  foreach ( array( 'single_post_title', 'single_cat_title', 'single_tag_title', 'single_month_title', 'nav_menu_attr_title', 'nav_menu_description' ) as $filter ) {
 148      add_filter( $filter, 'wptexturize' );
 149      add_filter( $filter, 'strip_tags' );
 150  }
 151  
 152  // Format text area for display.
 153  foreach ( array( 'term_description', 'get_the_post_type_description' ) as $filter ) {
 154      add_filter( $filter, 'wptexturize' );
 155      add_filter( $filter, 'convert_chars' );
 156      add_filter( $filter, 'wpautop' );
 157      add_filter( $filter, 'shortcode_unautop' );
 158  }
 159  
 160  // Format for RSS.
 161  add_filter( 'term_name_rss', 'convert_chars' );
 162  
 163  // Pre save hierarchy.
 164  add_filter( 'wp_insert_post_parent', 'wp_check_post_hierarchy_for_loops', 10, 2 );
 165  add_filter( 'wp_update_term_parent', 'wp_check_term_hierarchy_for_loops', 10, 3 );
 166  
 167  // Display filters.
 168  add_filter( 'the_title', 'wptexturize' );
 169  add_filter( 'the_title', 'convert_chars' );
 170  add_filter( 'the_title', 'trim' );
 171  
 172  add_filter( 'the_content', 'do_blocks', 9 );
 173  add_filter( 'the_content', 'wptexturize' );
 174  add_filter( 'the_content', 'convert_smilies', 20 );
 175  add_filter( 'the_content', 'wpautop' );
 176  add_filter( 'the_content', 'shortcode_unautop' );
 177  add_filter( 'the_content', 'prepend_attachment' );
 178  add_filter( 'the_content', 'wp_filter_content_tags' );
 179  
 180  add_filter( 'the_excerpt', 'wptexturize' );
 181  add_filter( 'the_excerpt', 'convert_smilies' );
 182  add_filter( 'the_excerpt', 'convert_chars' );
 183  add_filter( 'the_excerpt', 'wpautop' );
 184  add_filter( 'the_excerpt', 'shortcode_unautop' );
 185  add_filter( 'the_excerpt', 'wp_filter_content_tags' );
 186  add_filter( 'get_the_excerpt', 'wp_trim_excerpt', 10, 2 );
 187  
 188  add_filter( 'the_post_thumbnail_caption', 'wptexturize' );
 189  add_filter( 'the_post_thumbnail_caption', 'convert_smilies' );
 190  add_filter( 'the_post_thumbnail_caption', 'convert_chars' );
 191  
 192  add_filter( 'comment_text', 'wptexturize' );
 193  add_filter( 'comment_text', 'convert_chars' );
 194  add_filter( 'comment_text', 'make_clickable', 9 );
 195  add_filter( 'comment_text', 'force_balance_tags', 25 );
 196  add_filter( 'comment_text', 'convert_smilies', 20 );
 197  add_filter( 'comment_text', 'wpautop', 30 );
 198  
 199  add_filter( 'comment_excerpt', 'convert_chars' );
 200  
 201  add_filter( 'list_cats', 'wptexturize' );
 202  
 203  add_filter( 'wp_sprintf', 'wp_sprintf_l', 10, 2 );
 204  
 205  add_filter( 'widget_text', 'balanceTags' );
 206  add_filter( 'widget_text_content', 'capital_P_dangit', 11 );
 207  add_filter( 'widget_text_content', 'wptexturize' );
 208  add_filter( 'widget_text_content', 'convert_smilies', 20 );
 209  add_filter( 'widget_text_content', 'wpautop' );
 210  add_filter( 'widget_text_content', 'shortcode_unautop' );
 211  add_filter( 'widget_text_content', 'wp_filter_content_tags' );
 212  add_filter( 'widget_text_content', 'do_shortcode', 11 ); // Runs after wpautop(); note that $post global will be null when shortcodes run.
 213  
 214  // RSS filters.
 215  add_filter( 'the_title_rss', 'strip_tags' );
 216  add_filter( 'the_title_rss', 'ent2ncr', 8 );
 217  add_filter( 'the_title_rss', 'esc_html' );
 218  add_filter( 'the_content_rss', 'ent2ncr', 8 );
 219  add_filter( 'the_content_feed', 'wp_staticize_emoji' );
 220  add_filter( 'the_content_feed', '_oembed_filter_feed_content' );
 221  add_filter( 'the_excerpt_rss', 'convert_chars' );
 222  add_filter( 'the_excerpt_rss', 'ent2ncr', 8 );
 223  add_filter( 'comment_author_rss', 'ent2ncr', 8 );
 224  add_filter( 'comment_text_rss', 'ent2ncr', 8 );
 225  add_filter( 'comment_text_rss', 'esc_html' );
 226  add_filter( 'comment_text_rss', 'wp_staticize_emoji' );
 227  add_filter( 'bloginfo_rss', 'ent2ncr', 8 );
 228  add_filter( 'the_author', 'ent2ncr', 8 );
 229  add_filter( 'the_guid', 'esc_url' );
 230  
 231  // Email filters.
 232  add_filter( 'wp_mail', 'wp_staticize_emoji_for_email' );
 233  
 234  // Mark site as no longer fresh.
 235  foreach ( array( 'publish_post', 'publish_page', 'wp_ajax_save-widget', 'wp_ajax_widgets-order', 'customize_save_after' ) as $action ) {
 236      add_action( $action, '_delete_option_fresh_site', 0 );
 237  }
 238  
 239  // Misc filters.
 240  add_filter( 'option_ping_sites', 'privacy_ping_filter' );
 241  add_filter( 'option_blog_charset', '_wp_specialchars' ); // IMPORTANT: This must not be wp_specialchars() or esc_html() or it'll cause an infinite loop.
 242  add_filter( 'option_blog_charset', '_canonical_charset' );
 243  add_filter( 'option_home', '_config_wp_home' );
 244  add_filter( 'option_siteurl', '_config_wp_siteurl' );
 245  add_filter( 'tiny_mce_before_init', '_mce_set_direction' );
 246  add_filter( 'teeny_mce_before_init', '_mce_set_direction' );
 247  add_filter( 'pre_kses', 'wp_pre_kses_less_than' );
 248  add_filter( 'pre_kses', 'wp_pre_kses_block_attributes', 10, 3 );
 249  add_filter( 'sanitize_title', 'sanitize_title_with_dashes', 10, 3 );
 250  add_action( 'check_comment_flood', 'check_comment_flood_db', 10, 4 );
 251  add_filter( 'comment_flood_filter', 'wp_throttle_comment_flood', 10, 3 );
 252  add_filter( 'pre_comment_content', 'wp_rel_ugc', 15 );
 253  add_filter( 'comment_email', 'antispambot' );
 254  add_filter( 'option_tag_base', '_wp_filter_taxonomy_base' );
 255  add_filter( 'option_category_base', '_wp_filter_taxonomy_base' );
 256  add_filter( 'the_posts', '_close_comments_for_old_posts', 10, 2 );
 257  add_filter( 'comments_open', '_close_comments_for_old_post', 10, 2 );
 258  add_filter( 'pings_open', '_close_comments_for_old_post', 10, 2 );
 259  add_filter( 'editable_slug', 'urldecode' );
 260  add_filter( 'editable_slug', 'esc_textarea' );
 261  add_filter( 'nav_menu_meta_box_object', '_wp_nav_menu_meta_box_object' );
 262  add_filter( 'pingback_ping_source_uri', 'pingback_ping_source_uri' );
 263  add_filter( 'xmlrpc_pingback_error', 'xmlrpc_pingback_error' );
 264  add_filter( 'title_save_pre', 'trim' );
 265  
 266  add_action( 'transition_comment_status', '_clear_modified_cache_on_transition_comment_status', 10, 2 );
 267  
 268  add_filter( 'http_request_host_is_external', 'allowed_http_request_hosts', 10, 2 );
 269  
 270  // REST API filters.
 271  add_action( 'xmlrpc_rsd_apis', 'rest_output_rsd' );
 272  add_action( 'wp_head', 'rest_output_link_wp_head', 10, 0 );
 273  add_action( 'template_redirect', 'rest_output_link_header', 11, 0 );
 274  add_action( 'auth_cookie_malformed', 'rest_cookie_collect_status' );
 275  add_action( 'auth_cookie_expired', 'rest_cookie_collect_status' );
 276  add_action( 'auth_cookie_bad_username', 'rest_cookie_collect_status' );
 277  add_action( 'auth_cookie_bad_hash', 'rest_cookie_collect_status' );
 278  add_action( 'auth_cookie_valid', 'rest_cookie_collect_status' );
 279  add_action( 'application_password_failed_authentication', 'rest_application_password_collect_status' );
 280  add_action( 'application_password_did_authenticate', 'rest_application_password_collect_status' );
 281  add_filter( 'rest_authentication_errors', 'rest_application_password_check_errors', 90 );
 282  add_filter( 'rest_authentication_errors', 'rest_cookie_check_errors', 100 );
 283  
 284  // Actions.
 285  add_action( 'wp_head', '_wp_render_title_tag', 1 );
 286  add_action( 'wp_head', 'wp_enqueue_scripts', 1 );
 287  add_action( 'wp_head', 'wp_resource_hints', 2 );
 288  add_action( 'wp_head', 'feed_links', 2 );
 289  add_action( 'wp_head', 'feed_links_extra', 3 );
 290  add_action( 'wp_head', 'rsd_link' );
 291  add_action( 'wp_head', 'wlwmanifest_link' );
 292  add_action( 'wp_head', 'locale_stylesheet' );
 293  add_action( 'publish_future_post', 'check_and_publish_future_post', 10, 1 );
 294  add_action( 'wp_head', 'noindex', 1 );
 295  add_action( 'wp_head', 'print_emoji_detection_script', 7 );
 296  add_action( 'wp_head', 'wp_print_styles', 8 );
 297  add_action( 'wp_head', 'wp_print_head_scripts', 9 );
 298  add_action( 'wp_head', 'wp_generator' );
 299  add_action( 'wp_head', 'rel_canonical' );
 300  add_action( 'wp_head', 'wp_shortlink_wp_head', 10, 0 );
 301  add_action( 'wp_head', 'wp_custom_css_cb', 101 );
 302  add_action( 'wp_head', 'wp_site_icon', 99 );
 303  add_action( 'wp_footer', 'wp_print_footer_scripts', 20 );
 304  add_action( 'template_redirect', 'wp_shortlink_header', 11, 0 );
 305  add_action( 'wp_print_footer_scripts', '_wp_footer_scripts' );
 306  add_action( 'init', '_register_core_block_patterns_and_categories' );
 307  add_action( 'init', 'check_theme_switched', 99 );
 308  add_action( 'init', array( 'WP_Block_Supports', 'init' ), 22 );
 309  add_action( 'after_switch_theme', '_wp_menus_changed' );
 310  add_action( 'after_switch_theme', '_wp_sidebars_changed' );
 311  add_action( 'wp_print_styles', 'print_emoji_styles' );
 312  
 313  if ( isset( $_GET['replytocom'] ) ) {
 314      add_action( 'wp_head', 'wp_no_robots' );
 315  }
 316  
 317  // Login actions.
 318  add_filter( 'login_head', 'wp_resource_hints', 8 );
 319  add_action( 'login_head', 'wp_print_head_scripts', 9 );
 320  add_action( 'login_head', 'print_admin_styles', 9 );
 321  add_action( 'login_head', 'wp_site_icon', 99 );
 322  add_action( 'login_footer', 'wp_print_footer_scripts', 20 );
 323  add_action( 'login_init', 'send_frame_options_header', 10, 0 );
 324  
 325  // Feed generator tags.
 326  foreach ( array( 'rss2_head', 'commentsrss2_head', 'rss_head', 'rdf_header', 'atom_head', 'comments_atom_head', 'opml_head', 'app_head' ) as $action ) {
 327      add_action( $action, 'the_generator' );
 328  }
 329  
 330  // Feed Site Icon.
 331  add_action( 'atom_head', 'atom_site_icon' );
 332  add_action( 'rss2_head', 'rss2_site_icon' );
 333  
 334  
 335  // WP Cron.
 336  if ( ! defined( 'DOING_CRON' ) ) {
 337      add_action( 'init', 'wp_cron' );
 338  }
 339  
 340  // 2 Actions 2 Furious.
 341  add_action( 'do_feed_rdf', 'do_feed_rdf', 10, 0 );
 342  add_action( 'do_feed_rss', 'do_feed_rss', 10, 0 );
 343  add_action( 'do_feed_rss2', 'do_feed_rss2', 10, 1 );
 344  add_action( 'do_feed_atom', 'do_feed_atom', 10, 1 );
 345  add_action( 'do_pings', 'do_all_pings', 10, 0 );
 346  add_action( 'do_all_pings', 'do_all_pingbacks', 10, 0 );
 347  add_action( 'do_all_pings', 'do_all_enclosures', 10, 0 );
 348  add_action( 'do_all_pings', 'do_all_trackbacks', 10, 0 );
 349  add_action( 'do_all_pings', 'generic_ping', 10, 0 );
 350  add_action( 'do_robots', 'do_robots' );
 351  add_action( 'do_favicon', 'do_favicon' );
 352  add_action( 'set_comment_cookies', 'wp_set_comment_cookies', 10, 3 );
 353  add_action( 'sanitize_comment_cookies', 'sanitize_comment_cookies' );
 354  add_action( 'admin_print_scripts', 'print_emoji_detection_script' );
 355  add_action( 'admin_print_scripts', 'print_head_scripts', 20 );
 356  add_action( 'admin_print_footer_scripts', '_wp_footer_scripts' );
 357  add_action( 'admin_print_styles', 'print_emoji_styles' );
 358  add_action( 'admin_print_styles', 'print_admin_styles', 20 );
 359  add_action( 'init', 'smilies_init', 5 );
 360  add_action( 'plugins_loaded', 'wp_maybe_load_widgets', 0 );
 361  add_action( 'plugins_loaded', 'wp_maybe_load_embeds', 0 );
 362  add_action( 'shutdown', 'wp_ob_end_flush_all', 1 );
 363  // Create a revision whenever a post is updated.
 364  add_action( 'post_updated', 'wp_save_post_revision', 10, 1 );
 365  add_action( 'publish_post', '_publish_post_hook', 5, 1 );
 366  add_action( 'transition_post_status', '_transition_post_status', 5, 3 );
 367  add_action( 'transition_post_status', '_update_term_count_on_transition_post_status', 10, 3 );
 368  add_action( 'comment_form', 'wp_comment_form_unfiltered_html_nonce' );
 369  add_action( 'admin_init', 'send_frame_options_header', 10, 0 );
 370  add_action( 'welcome_panel', 'wp_welcome_panel' );
 371  
 372  // Privacy.
 373  add_action( 'user_request_action_confirmed', '_wp_privacy_account_request_confirmed' );
 374  add_action( 'user_request_action_confirmed', '_wp_privacy_send_request_confirmation_notification', 12 ); // After request marked as completed.
 375  add_filter( 'wp_privacy_personal_data_exporters', 'wp_register_comment_personal_data_exporter' );
 376  add_filter( 'wp_privacy_personal_data_exporters', 'wp_register_media_personal_data_exporter' );
 377  add_filter( 'wp_privacy_personal_data_exporters', 'wp_register_user_personal_data_exporter', 1 );
 378  add_filter( 'wp_privacy_personal_data_erasers', 'wp_register_comment_personal_data_eraser' );
 379  add_action( 'init', 'wp_schedule_delete_old_privacy_export_files' );
 380  add_action( 'wp_privacy_delete_old_export_files', 'wp_privacy_delete_old_export_files' );
 381  
 382  // Cron tasks.
 383  add_action( 'wp_scheduled_delete', 'wp_scheduled_delete' );
 384  add_action( 'wp_scheduled_auto_draft_delete', 'wp_delete_auto_drafts' );
 385  add_action( 'importer_scheduled_cleanup', 'wp_delete_attachment' );
 386  add_action( 'upgrader_scheduled_cleanup', 'wp_delete_attachment' );
 387  add_action( 'delete_expired_transients', 'delete_expired_transients' );
 388  
 389  // Navigation menu actions.
 390  add_action( 'delete_post', '_wp_delete_post_menu_item' );
 391  add_action( 'delete_term', '_wp_delete_tax_menu_item', 10, 3 );
 392  add_action( 'transition_post_status', '_wp_auto_add_pages_to_menu', 10, 3 );
 393  add_action( 'delete_post', '_wp_delete_customize_changeset_dependent_auto_drafts' );
 394  
 395  // Post Thumbnail CSS class filtering.
 396  add_action( 'begin_fetch_post_thumbnail_html', '_wp_post_thumbnail_class_filter_add' );
 397  add_action( 'end_fetch_post_thumbnail_html', '_wp_post_thumbnail_class_filter_remove' );
 398  
 399  // Redirect old slugs.
 400  add_action( 'template_redirect', 'wp_old_slug_redirect' );
 401  add_action( 'post_updated', 'wp_check_for_changed_slugs', 12, 3 );
 402  add_action( 'attachment_updated', 'wp_check_for_changed_slugs', 12, 3 );
 403  
 404  // Redirect old dates.
 405  add_action( 'post_updated', 'wp_check_for_changed_dates', 12, 3 );
 406  add_action( 'attachment_updated', 'wp_check_for_changed_dates', 12, 3 );
 407  
 408  // Nonce check for post previews.
 409  add_action( 'init', '_show_post_preview' );
 410  
 411  // Output JS to reset window.name for previews.
 412  add_action( 'wp_head', 'wp_post_preview_js', 1 );
 413  
 414  // Timezone.
 415  add_filter( 'pre_option_gmt_offset', 'wp_timezone_override_offset' );
 416  
 417  // Admin color schemes.
 418  add_action( 'admin_init', 'register_admin_color_schemes', 1 );
 419  add_action( 'admin_color_scheme_picker', 'admin_color_scheme_picker' );
 420  
 421  // If the upgrade hasn't run yet, assume link manager is used.
 422  add_filter( 'default_option_link_manager_enabled', '__return_true' );
 423  
 424  // This option no longer exists; tell plugins we always support auto-embedding.
 425  add_filter( 'pre_option_embed_autourls', '__return_true' );
 426  
 427  // Default settings for heartbeat.
 428  add_filter( 'heartbeat_settings', 'wp_heartbeat_settings' );
 429  
 430  // Check if the user is logged out.
 431  add_action( 'admin_enqueue_scripts', 'wp_auth_check_load' );
 432  add_filter( 'heartbeat_send', 'wp_auth_check' );
 433  add_filter( 'heartbeat_nopriv_send', 'wp_auth_check' );
 434  
 435  // Default authentication filters.
 436  add_filter( 'authenticate', 'wp_authenticate_username_password', 20, 3 );
 437  add_filter( 'authenticate', 'wp_authenticate_email_password', 20, 3 );
 438  add_filter( 'authenticate', 'wp_authenticate_application_password', 20, 3 );
 439  add_filter( 'authenticate', 'wp_authenticate_spam_check', 99 );
 440  add_filter( 'determine_current_user', 'wp_validate_auth_cookie' );
 441  add_filter( 'determine_current_user', 'wp_validate_logged_in_cookie', 20 );
 442  add_filter( 'determine_current_user', 'wp_validate_application_password', 20 );
 443  
 444  // Split term updates.
 445  add_action( 'admin_init', '_wp_check_for_scheduled_split_terms' );
 446  add_action( 'split_shared_term', '_wp_check_split_default_terms', 10, 4 );
 447  add_action( 'split_shared_term', '_wp_check_split_terms_in_menus', 10, 4 );
 448  add_action( 'split_shared_term', '_wp_check_split_nav_menu_terms', 10, 4 );
 449  add_action( 'wp_split_shared_term_batch', '_wp_batch_split_terms' );
 450  
 451  // Comment type updates.
 452  add_action( 'admin_init', '_wp_check_for_scheduled_update_comment_type' );
 453  add_action( 'wp_update_comment_type_batch', '_wp_batch_update_comment_type' );
 454  
 455  // Email notifications.
 456  add_action( 'comment_post', 'wp_new_comment_notify_moderator' );
 457  add_action( 'comment_post', 'wp_new_comment_notify_postauthor' );
 458  add_action( 'after_password_reset', 'wp_password_change_notification' );
 459  add_action( 'register_new_user', 'wp_send_new_user_notifications' );
 460  add_action( 'edit_user_created_user', 'wp_send_new_user_notifications', 10, 2 );
 461  
 462  // REST API actions.
 463  add_action( 'init', 'rest_api_init' );
 464  add_action( 'rest_api_init', 'rest_api_default_filters', 10, 1 );
 465  add_action( 'rest_api_init', 'register_initial_settings', 10 );
 466  add_action( 'rest_api_init', 'create_initial_rest_routes', 99 );
 467  add_action( 'parse_request', 'rest_api_loaded' );
 468  
 469  // Sitemaps actions.
 470  add_action( 'init', 'wp_sitemaps_get_server' );
 471  
 472  /**
 473   * Filters formerly mixed into wp-includes.
 474   */
 475  // Theme.
 476  add_action( 'setup_theme', 'create_initial_theme_features', 0 );
 477  add_action( 'wp_loaded', '_custom_header_background_just_in_time' );
 478  add_action( 'wp_head', '_custom_logo_header_styles' );
 479  add_action( 'plugins_loaded', '_wp_customize_include' );
 480  add_action( 'transition_post_status', '_wp_customize_publish_changeset', 10, 3 );
 481  add_action( 'admin_enqueue_scripts', '_wp_customize_loader_settings' );
 482  add_action( 'delete_attachment', '_delete_attachment_theme_mod' );
 483  add_action( 'transition_post_status', '_wp_keep_alive_customize_changeset_dependent_auto_drafts', 20, 3 );
 484  
 485  // Calendar widget cache.
 486  add_action( 'save_post', 'delete_get_calendar_cache' );
 487  add_action( 'delete_post', 'delete_get_calendar_cache' );
 488  add_action( 'update_option_start_of_week', 'delete_get_calendar_cache' );
 489  add_action( 'update_option_gmt_offset', 'delete_get_calendar_cache' );
 490  
 491  // Author.
 492  add_action( 'transition_post_status', '__clear_multi_author_cache' );
 493  
 494  // Post.
 495  add_action( 'init', 'create_initial_post_types', 0 ); // Highest priority.
 496  add_action( 'admin_menu', '_add_post_type_submenus' );
 497  add_action( 'before_delete_post', '_reset_front_page_settings_for_post' );
 498  add_action( 'wp_trash_post', '_reset_front_page_settings_for_post' );
 499  add_action( 'change_locale', 'create_initial_post_types' );
 500  
 501  // Post Formats.
 502  add_filter( 'request', '_post_format_request' );
 503  add_filter( 'term_link', '_post_format_link', 10, 3 );
 504  add_filter( 'get_post_format', '_post_format_get_term' );
 505  add_filter( 'get_terms', '_post_format_get_terms', 10, 3 );
 506  add_filter( 'wp_get_object_terms', '_post_format_wp_get_object_terms' );
 507  
 508  // KSES.
 509  add_action( 'init', 'kses_init' );
 510  add_action( 'set_current_user', 'kses_init' );
 511  
 512  // Script Loader.
 513  add_action( 'wp_default_scripts', 'wp_default_scripts' );
 514  add_action( 'wp_default_scripts', 'wp_default_packages' );
 515  
 516  add_action( 'wp_enqueue_scripts', 'wp_localize_jquery_ui_datepicker', 1000 );
 517  add_action( 'admin_enqueue_scripts', 'wp_localize_jquery_ui_datepicker', 1000 );
 518  add_action( 'wp_enqueue_scripts', 'wp_common_block_scripts_and_styles' );
 519  add_action( 'admin_enqueue_scripts', 'wp_common_block_scripts_and_styles' );
 520  add_action( 'enqueue_block_assets', 'wp_enqueue_registered_block_scripts_and_styles' );
 521  add_action( 'enqueue_block_editor_assets', 'wp_enqueue_registered_block_scripts_and_styles' );
 522  add_action( 'admin_print_scripts-index.php', 'wp_localize_community_events' );
 523  add_filter( 'wp_print_scripts', 'wp_just_in_time_script_localization' );
 524  add_filter( 'print_scripts_array', 'wp_prototype_before_jquery' );
 525  add_filter( 'customize_controls_print_styles', 'wp_resource_hints', 1 );
 526  add_action( 'enqueue_block_assets', 'enqueue_block_styles_assets', 30 );
 527  add_action( 'enqueue_block_editor_assets', 'enqueue_editor_block_styles_assets' );
 528  add_action( 'enqueue_block_editor_assets', 'wp_enqueue_editor_block_directory_assets' );
 529  
 530  add_action( 'wp_default_styles', 'wp_default_styles' );
 531  add_filter( 'style_loader_src', 'wp_style_loader_src', 10, 2 );
 532  
 533  // Taxonomy.
 534  add_action( 'init', 'create_initial_taxonomies', 0 ); // Highest priority.
 535  add_action( 'change_locale', 'create_initial_taxonomies' );
 536  
 537  // Canonical.
 538  add_action( 'template_redirect', 'redirect_canonical' );
 539  add_action( 'template_redirect', 'wp_redirect_admin_locations', 1000 );
 540  
 541  // Shortcodes.
 542  add_filter( 'the_content', 'do_shortcode', 11 ); // AFTER wpautop().
 543  
 544  // Media.
 545  add_action( 'wp_playlist_scripts', 'wp_playlist_scripts' );
 546  add_action( 'customize_controls_enqueue_scripts', 'wp_plupload_default_settings' );
 547  add_action( 'plugins_loaded', '_wp_add_additional_image_sizes', 0 );
 548  add_filter( 'plupload_default_settings', 'wp_show_heic_upload_error' );
 549  
 550  // Nav menu.
 551  add_filter( 'nav_menu_item_id', '_nav_menu_item_id_use_once', 10, 2 );
 552  
 553  // Widgets.
 554  add_action( 'init', 'wp_widgets_init', 1 );
 555  
 556  // Admin Bar.
 557  // Don't remove. Wrong way to disable.
 558  add_action( 'template_redirect', '_wp_admin_bar_init', 0 );
 559  add_action( 'admin_init', '_wp_admin_bar_init' );
 560  add_action( 'before_signup_header', '_wp_admin_bar_init' );
 561  add_action( 'activate_header', '_wp_admin_bar_init' );
 562  add_action( 'wp_body_open', 'wp_admin_bar_render', 0 );
 563  add_action( 'wp_footer', 'wp_admin_bar_render', 1000 ); // Back-compat for themes not using `wp_body_open`.
 564  add_action( 'in_admin_header', 'wp_admin_bar_render', 0 );
 565  
 566  // Former admin filters that can also be hooked on the front end.
 567  add_action( 'media_buttons', 'media_buttons' );
 568  add_filter( 'image_send_to_editor', 'image_add_caption', 20, 8 );
 569  add_filter( 'media_send_to_editor', 'image_media_send_to_editor', 10, 3 );
 570  
 571  // Embeds.
 572  add_action( 'rest_api_init', 'wp_oembed_register_route' );
 573  add_filter( 'rest_pre_serve_request', '_oembed_rest_pre_serve_request', 10, 4 );
 574  
 575  add_action( 'wp_head', 'wp_oembed_add_discovery_links' );
 576  add_action( 'wp_head', 'wp_oembed_add_host_js' );
 577  
 578  add_action( 'embed_head', 'enqueue_embed_scripts', 1 );
 579  add_action( 'embed_head', 'print_emoji_detection_script' );
 580  add_action( 'embed_head', 'print_embed_styles' );
 581  add_action( 'embed_head', 'wp_print_head_scripts', 20 );
 582  add_action( 'embed_head', 'wp_print_styles', 20 );
 583  add_action( 'embed_head', 'wp_no_robots' );
 584  add_action( 'embed_head', 'rel_canonical' );
 585  add_action( 'embed_head', 'locale_stylesheet', 30 );
 586  
 587  add_action( 'embed_content_meta', 'print_embed_comments_button' );
 588  add_action( 'embed_content_meta', 'print_embed_sharing_button' );
 589  
 590  add_action( 'embed_footer', 'print_embed_sharing_dialog' );
 591  add_action( 'embed_footer', 'print_embed_scripts' );
 592  add_action( 'embed_footer', 'wp_print_footer_scripts', 20 );
 593  
 594  add_filter( 'excerpt_more', 'wp_embed_excerpt_more', 20 );
 595  add_filter( 'the_excerpt_embed', 'wptexturize' );
 596  add_filter( 'the_excerpt_embed', 'convert_chars' );
 597  add_filter( 'the_excerpt_embed', 'wpautop' );
 598  add_filter( 'the_excerpt_embed', 'shortcode_unautop' );
 599  add_filter( 'the_excerpt_embed', 'wp_embed_excerpt_attachment' );
 600  
 601  add_filter( 'oembed_dataparse', 'wp_filter_oembed_iframe_title_attribute', 5, 3 );
 602  add_filter( 'oembed_dataparse', 'wp_filter_oembed_result', 10, 3 );
 603  add_filter( 'oembed_response_data', 'get_oembed_response_data_rich', 10, 4 );
 604  add_filter( 'pre_oembed_result', 'wp_filter_pre_oembed_result', 10, 3 );
 605  
 606  // Capabilities.
 607  add_filter( 'user_has_cap', 'wp_maybe_grant_install_languages_cap', 1 );
 608  add_filter( 'user_has_cap', 'wp_maybe_grant_resume_extensions_caps', 1 );
 609  add_filter( 'user_has_cap', 'wp_maybe_grant_site_health_caps', 1, 4 );
 610  
 611  unset( $filter, $action );


Generated : Sat Nov 28 08:20:01 2020 Cross-referenced by PHPXref