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 // Users

    17 add_filter( 'wpmu_validate_user_signup', 'signup_nonce_check' );

    18 add_action( 'init', 'maybe_add_existing_user_to_blog' );

    19 add_action( 'wpmu_new_user', 'newuser_notify_siteadmin' );

    20 add_action( 'wpmu_activate_user', 'add_new_user_to_blog', 10, 3 );

    21 add_action( 'sanitize_user', 'strtolower' );

    22 

    23 // Blogs

    24 add_filter( 'wpmu_validate_blog_signup', 'signup_nonce_check' );

    25 add_action( 'wpmu_new_blog', 'wpmu_log_new_registrations', 10, 2 );

    26 add_action( 'wpmu_new_blog', 'newblog_notify_siteadmin', 10, 2 );

    27 

    28 // Register Nonce

    29 add_action( 'signup_hidden_fields', 'signup_nonce_fields' );

    30 

    31 // Template

    32 add_action( 'template_redirect', 'maybe_redirect_404' );

    33 add_filter( 'allowed_redirect_hosts', 'redirect_this_site' );

    34 

    35 // Administration

    36 add_filter( 'term_id_filter', 'global_terms', 10, 2 );

    37 add_action( 'publish_post', 'update_posts_count' );

    38 add_action( 'delete_post', '_update_blog_date_on_post_delete' );

    39 add_action( 'transition_post_status', '_update_blog_date_on_post_publish', 10, 3 );

    40 add_action( 'admin_init', 'wp_schedule_update_network_counts');

    41 add_action( 'update_network_counts', 'wp_update_network_counts');

    42 

    43 // Files

    44 add_filter( 'wp_upload_bits', 'upload_is_file_too_big' );

    45 add_filter( 'import_upload_size_limit', 'fix_import_form_size' );

    46 add_filter( 'upload_mimes', 'check_upload_mimes' );

    47 add_filter( 'upload_size_limit', 'upload_size_limit_filter' );

    48 

    49 // Mail

    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 add_filter( 'force_filtered_html_on_import', '__return_true' );

    59 

    60 // WP_HOME and WP_SITEURL should not have any effect in MS

    61 remove_filter( 'option_siteurl', '_config_wp_siteurl' );

    62 remove_filter( 'option_home',    '_config_wp_home'    );