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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 |
|---|---|
| 727 | $nonce = $_REQUEST[$query_arg]; |
| 728 | else |
| 729 | $nonce = $_REQUEST['_ajax_nonce'] ? $_REQUEST['_ajax_nonce'] : $_REQUEST['_wpnonce']; |
| 730 | |
| 731 | $result = wp_verify_nonce( $nonce, $action ); |
| 732 | |
| 733 | if ( $die && false == $result ) |
| 734 | die('-1'); |
| 735 | |
| 736 | do_action('check_ajax_referer', $action, $result); |
| 737 | |
| 738 | return $result; |
| 739 | } |
| 740 | endif; |
| 741 | |
| 742 | if ( !function_exists('wp_redirect') ) : |
| 743 | /** |
| 744 | * Redirects to another page, with a workaround for the IIS Set-Cookie bug. |
| 745 | * |