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   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   */
  14  
  15  // Users
  16  add_filter( 'wpmu_validate_user_signup', 'signup_nonce_check' );
  17  add_action( 'init', 'maybe_add_existing_user_to_blog' );
  18  add_action( 'wpmu_new_user', 'newuser_notify_siteadmin' );
  19  add_action( 'wpmu_activate_user', 'add_new_user_to_blog', 10, 3 );
  20  add_action( 'sanitize_user', 'strtolower' );
  21  
  22  // Blogs
  23  add_filter( 'wpmu_validate_blog_signup', 'signup_nonce_check' );
  24  add_action( 'wpmu_new_blog', 'wpmu_log_new_registrations', 10, 2 );
  25  add_action( 'wpmu_new_blog', 'newblog_notify_siteadmin', 10, 2 );
  26  
  27  // Register Nonce
  28  add_action( 'signup_hidden_fields', 'signup_nonce_fields' );
  29  
  30  // Template
  31  add_action( 'template_redirect', 'maybe_redirect_404' );
  32  add_filter( 'allowed_redirect_hosts', 'redirect_this_site' );
  33  
  34  // Administration
  35  add_filter( 'term_id_filter', 'global_terms', 10, 2 );
  36  add_action( 'publish_post', 'update_posts_count' );
  37  add_action( 'delete_post', 'wpmu_update_blogs_date' );
  38  add_action( 'private_to_published', 'wpmu_update_blogs_date' );
  39  add_action( 'publish_phone', 'wpmu_update_blogs_date' );
  40  add_action( 'publish_post', 'wpmu_update_blogs_date' );
  41  
  42  // Files
  43  add_filter( 'wp_upload_bits', 'upload_is_file_too_big' );
  44  add_filter( 'import_upload_size_limit', 'fix_import_form_size' );
  45  add_filter( 'upload_mimes', 'check_upload_mimes' );
  46  add_action( 'admin_notices', 'ms_deprecated_blogs_file' );
  47  
  48  // Mail
  49  add_filter( 'wp_mail_from', 'wordpressmu_wp_mail_from' );
  50  add_action( 'phpmailer_init', 'fix_phpmailer_messageid' );
  51  
  52  // Disable somethings by default for multisite
  53  add_filter( 'enable_update_services_configuration', '__return_false' );
  54  if ( ! defined('POST_BY_EMAIL') || ! POST_BY_EMAIL ) // back compat constant.
  55      add_filter( 'enable_post_by_email_configuration', '__return_false' );
  56  if ( ! defined('EDIT_ANY_USER') || ! EDIT_ANY_USER ) // back compat constant.
  57      add_filter( 'enable_edit_any_user_configuration', '__return_false' );
  58  ?>