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

   1  <?php
   2  /**
   3   * Sets up the default filters and actions for Multisite.
   4   *
   5   * If you need to remove a default hook, this file will give you the priority
   6   * for which to use to remove the hook.
   7   *
   8   * Not all of the Multisite default hooks are found in ms-default-filters.php
   9   *
  10   * @package WordPress
  11   * @subpackage Multisite
  12   * @see default-filters.php
  13   * @since 3.0.0
  14   */
  15  
  16  add_action( 'init', 'ms_subdomain_constants' );
  17  
  18  // Functions.
  19  add_action( 'update_option_blog_public', 'update_blog_public', 10, 2 );
  20  add_filter( 'option_users_can_register', 'users_can_register_signup_filter' );
  21  add_filter( 'site_option_welcome_user_email', 'welcome_user_msg_filter' );
  22  
  23  // Users.
  24  add_filter( 'wpmu_validate_user_signup', 'signup_nonce_check' );
  25  add_action( 'init', 'maybe_add_existing_user_to_blog' );
  26  add_action( 'wpmu_new_user', 'newuser_notify_siteadmin' );
  27  add_action( 'wpmu_activate_user', 'add_new_user_to_blog', 10, 3 );
  28  add_action( 'wpmu_activate_user', 'wpmu_welcome_user_notification', 10, 3 );
  29  add_action( 'after_signup_user', 'wpmu_signup_user_notification', 10, 4 );
  30  add_action( 'network_site_new_created_user', 'wp_send_new_user_notifications' );
  31  add_action( 'network_site_users_created_user', 'wp_send_new_user_notifications' );
  32  add_action( 'network_user_new_created_user', 'wp_send_new_user_notifications' );
  33  add_filter( 'sanitize_user', 'strtolower' );
  34  
  35  // Roles.
  36  add_action( 'switch_blog', 'wp_switch_roles_and_user', 1, 2 );
  37  
  38  // Blogs.
  39  add_filter( 'wpmu_validate_blog_signup', 'signup_nonce_check' );
  40  add_action( 'wpmu_activate_blog', 'wpmu_welcome_notification', 10, 5 );
  41  add_action( 'after_signup_site', 'wpmu_signup_blog_notification', 10, 7 );
  42  add_filter( 'wp_normalize_site_data', 'wp_normalize_site_data', 10, 1 );
  43  add_action( 'wp_validate_site_data', 'wp_validate_site_data', 10, 3 );
  44  add_action( 'wp_insert_site', 'wp_maybe_update_network_site_counts_on_update', 10, 1 );
  45  add_action( 'wp_update_site', 'wp_maybe_update_network_site_counts_on_update', 10, 2 );
  46  add_action( 'wp_delete_site', 'wp_maybe_update_network_site_counts_on_update', 10, 1 );
  47  add_action( 'wp_insert_site', 'wp_maybe_transition_site_statuses_on_update', 10, 1 );
  48  add_action( 'wp_update_site', 'wp_maybe_transition_site_statuses_on_update', 10, 2 );
  49  add_action( 'wp_update_site', 'wp_maybe_clean_new_site_cache_on_update', 10, 2 );
  50  add_action( 'wp_initialize_site', 'wp_initialize_site', 10, 2 );
  51  add_action( 'wp_initialize_site', 'wpmu_log_new_registrations', 100, 2 );
  52  add_action( 'wp_initialize_site', 'newblog_notify_siteadmin', 100, 1 );
  53  add_action( 'wp_uninitialize_site', 'wp_uninitialize_site', 10, 1 );
  54  add_action( 'update_blog_public', 'wp_update_blog_public_option_on_site_update', 1, 2 );
  55  
  56  // Site meta.
  57  add_action( 'added_blog_meta', 'wp_cache_set_sites_last_changed' );
  58  add_action( 'updated_blog_meta', 'wp_cache_set_sites_last_changed' );
  59  add_action( 'deleted_blog_meta', 'wp_cache_set_sites_last_changed' );
  60  add_filter( 'get_blog_metadata', 'wp_check_site_meta_support_prefilter' );
  61  add_filter( 'add_blog_metadata', 'wp_check_site_meta_support_prefilter' );
  62  add_filter( 'update_blog_metadata', 'wp_check_site_meta_support_prefilter' );
  63  add_filter( 'delete_blog_metadata', 'wp_check_site_meta_support_prefilter' );
  64  add_filter( 'get_blog_metadata_by_mid', 'wp_check_site_meta_support_prefilter' );
  65  add_filter( 'update_blog_metadata_by_mid', 'wp_check_site_meta_support_prefilter' );
  66  add_filter( 'delete_blog_metadata_by_mid', 'wp_check_site_meta_support_prefilter' );
  67  add_filter( 'update_blog_metadata_cache', 'wp_check_site_meta_support_prefilter' );
  68  
  69  // Register nonce.
  70  add_action( 'signup_hidden_fields', 'signup_nonce_fields' );
  71  
  72  // Template.
  73  add_action( 'template_redirect', 'maybe_redirect_404' );
  74  add_filter( 'allowed_redirect_hosts', 'redirect_this_site' );
  75  
  76  // Administration.
  77  add_filter( 'term_id_filter', 'global_terms', 10, 2 );
  78  add_action( 'delete_post', '_update_posts_count_on_delete' );
  79  add_action( 'delete_post', '_update_blog_date_on_post_delete' );
  80  add_action( 'transition_post_status', '_update_blog_date_on_post_publish', 10, 3 );
  81  add_action( 'transition_post_status', '_update_posts_count_on_transition_post_status', 10, 3 );
  82  
  83  // Counts.
  84  add_action( 'admin_init', 'wp_schedule_update_network_counts' );
  85  add_action( 'update_network_counts', 'wp_update_network_counts', 10, 0 );
  86  foreach ( array( 'user_register', 'deleted_user', 'wpmu_new_user', 'make_spam_user', 'make_ham_user' ) as $action ) {
  87      add_action( $action, 'wp_maybe_update_network_user_counts', 10, 0 );
  88  }
  89  foreach ( array( 'make_spam_blog', 'make_ham_blog', 'archive_blog', 'unarchive_blog', 'make_delete_blog', 'make_undelete_blog' ) as $action ) {
  90      add_action( $action, 'wp_maybe_update_network_site_counts', 10, 0 );
  91  }
  92  unset( $action );
  93  
  94  // Files.
  95  add_filter( 'wp_upload_bits', 'upload_is_file_too_big' );
  96  add_filter( 'import_upload_size_limit', 'fix_import_form_size' );
  97  add_filter( 'upload_mimes', 'check_upload_mimes' );
  98  add_filter( 'upload_size_limit', 'upload_size_limit_filter' );
  99  add_action( 'upload_ui_over_quota', 'multisite_over_quota_message' );
 100  
 101  // Mail.
 102  add_action( 'phpmailer_init', 'fix_phpmailer_messageid' );
 103  
 104  // Disable somethings by default for multisite.
 105  add_filter( 'enable_update_services_configuration', '__return_false' );
 106  if ( ! defined( 'POST_BY_EMAIL' ) || ! POST_BY_EMAIL ) { // Back compat constant.
 107      add_filter( 'enable_post_by_email_configuration', '__return_false' );
 108  }
 109  if ( ! defined( 'EDIT_ANY_USER' ) || ! EDIT_ANY_USER ) { // Back compat constant.
 110      add_filter( 'enable_edit_any_user_configuration', '__return_false' );
 111  }
 112  add_filter( 'force_filtered_html_on_import', '__return_true' );
 113  
 114  // WP_HOME and WP_SITEURL should not have any effect in MS.
 115  remove_filter( 'option_siteurl', '_config_wp_siteurl' );
 116  remove_filter( 'option_home', '_config_wp_home' );
 117  
 118  // Some options changes should trigger site details refresh.
 119  add_action( 'update_option_blogname', 'clean_site_details_cache', 10, 0 );
 120  add_action( 'update_option_siteurl', 'clean_site_details_cache', 10, 0 );
 121  add_action( 'update_option_post_count', 'clean_site_details_cache', 10, 0 );
 122  add_action( 'update_option_home', 'clean_site_details_cache', 10, 0 );
 123  
 124  // If the network upgrade hasn't run yet, assume ms-files.php rewriting is used.
 125  add_filter( 'default_site_option_ms_files_rewriting', '__return_true' );
 126  
 127  // Whitelist multisite domains for HTTP requests.
 128  add_filter( 'http_request_host_is_external', 'ms_allowed_http_request_hosts', 20, 2 );


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