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wordpress函数is_main_site()用法示例

is_main_site( int $site_id = null )

Determine whether a site is the main site of the current network.


描述


参数

$site_id

(int)
(Optional)
Site ID to test. Defaults to current site.

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Default value: null


返回值

(bool) True if $site_id is the main site of the network, or if not running Multisite.


源代码

File: wp-includes/functions.php

function is_main_site( $site_id = null ) {
	if ( ! is_multisite() )
		return true;

	if ( ! $site_id )
		$site_id = get_current_blog_id();

	return (int) $site_id === (int) get_network()->site_id;
}

更新日志

Version 描述
3.0.0 Introduced.

相关函数

Uses

  • wp-includes/ms-blogs.php:
    get_network()
  • wp-includes/load.php:
    is_multisite()
  • wp-includes/load.php:
    get_current_blog_id()

Used By

  • wp-includes/functions.php:
    _wp_upload_dir()
  • wp-admin/includes/class-wp-ms-sites-list-table.php:
    WP_MS_Sites_List_Table::column_cb()
  • wp-admin/includes/upgrade.php:
    wp_should_upgrade_global_tables()
  • wp-admin/includes/class-wp-automatic-updater.php:
    WP_Automatic_Updater::run()
  • wp-admin/includes/ms.php:
    avoid_blog_page_permalink_collision()
  • wp-admin/includes/ms.php:
    wpmu_delete_blog()
  • wp-admin/includes/schema.php:
    populate_options()
  • wp-admin/includes/upgrade.php:
    wp_upgrade()
  • wp-includes/class-wp-rewrite.php:
    WP_Rewrite::rewrite_rules()
  • wp-includes/ms-functions.php:
    wp_schedule_update_network_counts()
  • wp-includes/ms-functions.php:
    get_dirsize()
  • wp-includes/ms-functions.php:
    maybe_redirect_404()
  • wp-includes/ms-deprecated.php:
    is_main_blog()
  • Show 8 more used by
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    Contributed by Codex

    Example

    
    if ( is_main_site( $blog_id ) ) {
      // display something special for the main site.
    }
    

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