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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 219 | |
| 220 | /** |
| 221 | * Filters whether to enable user auto-complete for non-super admins in Multisite. |
| 222 | * |
| 223 | * @since 3.4.0 |
| 224 | * |
| 225 | * @param bool $enable Whether to enable auto-complete for non-super admins. Default false. |
| 226 | */ |
| 227 | if ( is_multisite() && current_user_can( 'promote_users' ) && ! wp_is_large_network( 'users' ) |
| 228 | && ( current_user_can( 'manage_network_users' ) || apply_filters( 'autocomplete_users_for_site_admins', false ) ) |
| 229 | ) { |
| 230 | wp_enqueue_script( 'user-suggest' ); |
| 231 | } |
| 232 | |
| 233 | require_once( ABSPATH . 'wp-admin/admin-header.php' ); |
| 234 | |
| 235 | if ( isset($_GET['update']) ) { |
| 236 | $messages = array(); |
| 237 | if ( is_multisite() ) { |