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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 |
---|---|
1028 | /** |
1029 | * Filters the array of protected Ajax actions. |
1030 | * |
1031 | * This filter is only fired when doing Ajax and the Ajax request has an 'action' property. |
1032 | * |
1033 | * @since 5.2.0 |
1034 | * |
1035 | * @param string[] $actions_to_protect Array of strings with Ajax actions to protect. |
1036 | */ |
1037 | $actions_to_protect = (array) apply_filters( 'wp_protected_ajax_actions', $actions_to_protect ); |
1038 |
|
1039 | if ( ! in_array( $_REQUEST['action'], $actions_to_protect, true ) ) { |
1040 | return false; |
1041 | } |
1042 |
|
1043 | return true; |
1044 | } |
1045 |
|
1046 | /** |