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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 |
|---|---|
| 254 | * |
| 255 | * @since 3.4.0 |
| 256 | */ |
| 257 | function wp_ajax_autocomplete_user() { |
| 258 | if ( ! is_multisite() || ! current_user_can( 'promote_users' ) || wp_is_large_network( 'users' ) ) { |
| 259 | wp_die( -1 ); |
| 260 | } |
| 261 | |
| 262 | /** This filter is documented in wp-admin/user-new.php */ |
| 263 | if ( ! current_user_can( 'manage_network_users' ) && ! apply_filters( 'autocomplete_users_for_site_admins', false ) ) { |
| 264 | wp_die( -1 ); |
| 265 | } |
| 266 | |
| 267 | $return = array(); |
| 268 | |
| 269 | // Check the type of request |
| 270 | // Current allowed values are `add` and `search` |
| 271 | if ( isset( $_REQUEST['autocomplete_type'] ) && 'search' === $_REQUEST['autocomplete_type'] ) { |
| 272 | $type = $_REQUEST['autocomplete_type']; |