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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 |
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1117 |
|
1118 | /** |
1119 | * Fires once the AJAX request has been validated or not. |
1120 | * |
1121 | * @since 2.1.0 |
1122 | * |
1123 | * @param string $action The AJAX nonce action. |
1124 | * @param bool $result Whether the AJAX request nonce was validated. |
1125 | */ |
1126 | do_action( 'check_ajax_referer', $action, $result ); |
1127 |
|
1128 | return $result; |
1129 | } |
1130 | endif; |
1131 |
|
1132 | if ( !function_exists('wp_redirect') ) : |
1133 | /** |
1134 | * Redirects to another page. |
1135 | * |