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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 |
|---|---|
| 1024 | |
| 1025 | /** |
| 1026 | * Fires once the admin request has been validated or not. |
| 1027 | * |
| 1028 | * @since 1.5.1 |
| 1029 | * |
| 1030 | * @param string $action The nonce action. |
| 1031 | * @param bool $result Whether the admin request nonce was validated. |
| 1032 | */ |
| 1033 | do_action( 'check_admin_referer', $action, $result ); |
| 1034 | return $result; |
| 1035 | } |
| 1036 | endif; |
| 1037 | |
| 1038 | if ( !function_exists('check_ajax_referer') ) : |
| 1039 | /** |
| 1040 | * Verifies the AJAX request to prevent processing requests external of the blog. |
| 1041 | * |
| 1042 | * @since 2.0.3 |