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is_user_member_of_blog › WordPress Function
Since
已弃用n/a
› is_user_member_of_blog ( $user_id = 0, $blog_id = 0 )
参数: (2) |
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Finds out whether a user is a member of a given blog.
Related Functions: get_users_of_blog, add_user_to_blog, add_existing_user_to_blog, add_new_user_to_blog, is_user_option_local
源码
function is_user_member_of_blog( $user_id = 0, $blog_id = 0 ) { global $wpdb; $user_id = (int) $user_id; $blog_id = (int) $blog_id; if ( empty( $user_id ) ) { $user_id = get_current_user_id(); } /* * Technically not needed, but does save calls to get_site() and get_user_meta() * in the event that the function is called when a user isn't logged in. */ if ( empty( $user_id ) ) { return false; } else { $user = get_userdata( $user_id ); if ( ! $user instanceof WP_User ) { return false; } } if ( ! is_multisite() ) { return true; } if ( empty( $blog_id ) ) { $blog_id = get_current_blog_id(); } $blog = get_site( $blog_id ); if ( ! $blog || ! isset( $blog->domain ) || $blog->archived || $blog->spam || $blog->deleted ) { return false; } $keys = get_user_meta( $user_id ); if ( empty( $keys ) ) { return false; } // No underscore before capabilities in $base_capabilities_key. $base_capabilities_key = $wpdb->base_prefix . 'capabilities'; $site_capabilities_key = $wpdb->base_prefix . $blog_id . '_capabilities'; if ( isset( $keys[ $base_capabilities_key ] ) && 1 === $blog_id ) { return true; } if ( isset( $keys[ $site_capabilities_key ] ) ) { return true; } return false; }