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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 |
|---|---|
| 274 | |
| 275 | /** |
| 276 | * Filters whether to enable user auto-complete for non-super admins in Multisite. |
| 277 | * |
| 278 | * @since 3.4.0 |
| 279 | * |
| 280 | * @param bool $enable Whether to enable auto-complete for non-super admins. Default false. |
| 281 | */ |
| 282 | if ( is_multisite() && current_user_can( 'promote_users' ) && ! wp_is_large_network( 'users' ) |
| 283 | && ( current_user_can( 'manage_network_users' ) || apply_filters( 'autocomplete_users_for_site_admins', false ) ) |
| 284 | ) { |
| 285 | wp_enqueue_script( 'user-suggest' ); |
| 286 | } |
| 287 | |
| 288 | require_once( ABSPATH . 'wp-admin/admin-header.php' ); |
| 289 | |
| 290 | if ( isset( $_GET['update'] ) ) { |
| 291 | $messages = array(); |
| 292 | if ( is_multisite() ) { |