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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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872 | /** |
873 | * Filters the array of protected AJAX actions. |
874 | * |
875 | * This filter is only fired when doing AJAX and the AJAX request has an 'action' property. |
876 | * |
877 | * @since 5.2.0 |
878 | * |
879 | * @param array $actions_to_protect Array of strings with AJAX actions to protect. |
880 | */ |
881 | $actions_to_protect = (array) apply_filters( 'wp_protected_ajax_actions', $actions_to_protect ); |
882 |
|
883 | if ( ! in_array( $_REQUEST['action'], $actions_to_protect, true ) ) { |
884 | return false; |
885 | } |
886 |
|
887 | return true; |
888 | } |
889 |
|
890 | /** |