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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 20 | |
| 21 | /** Allow for cross-domain requests (from the frontend). */ |
| 22 | send_origin_headers(); |
| 23 | |
| 24 | require_once(ABSPATH . 'wp-admin/includes/admin.php'); |
| 25 | |
| 26 | nocache_headers(); |
| 27 | |
| 28 | /** This action is documented in wp-admin/admin.php */ |
| 29 | do_action( 'admin_init' ); |
| 30 | |
| 31 | $action = empty( $_REQUEST['action'] ) ? '' : $_REQUEST['action']; |
| 32 | |
| 33 | if ( ! wp_validate_auth_cookie() ) { |
| 34 | if ( empty( $action ) ) { |
| 35 | /** |
| 36 | * Fires on a non-authenticated admin post request where no action was supplied. |
| 37 | * |
| 38 | * @since 2.6.0 |