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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 |
|---|---|
| 833 | */ |
| 834 | function check_admin_referer($action = -1, $query_arg = '_wpnonce') { |
| 835 | $adminurl = strtolower(admin_url()); |
| 836 | $referer = strtolower(wp_get_referer()); |
| 837 | $result = isset($_REQUEST[$query_arg]) ? wp_verify_nonce($_REQUEST[$query_arg], $action) : false; |
| 838 | if ( !$result && !(-1 == $action && strpos($referer, $adminurl) === 0) ) { |
| 839 | wp_nonce_ays($action); |
| 840 | die(); |
| 841 | } |
| 842 | do_action('check_admin_referer', $action, $result); |
| 843 | return $result; |
| 844 | }endif; |
| 845 | |
| 846 | if ( !function_exists('check_ajax_referer') ) : |
| 847 | /** |
| 848 | * Verifies the AJAX request to prevent processing requests external of the blog. |
| 849 | * |
| 850 | * @since 2.0.3 |
| 851 | * |