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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 |
---|---|
1055 | /** |
1056 | * Filters the array of protected Ajax actions. |
1057 | * |
1058 | * This filter is only fired when doing Ajax and the Ajax request has an 'action' property. |
1059 | * |
1060 | * @since 5.2.0 |
1061 | * |
1062 | * @param string[] $actions_to_protect Array of strings with Ajax actions to protect. |
1063 | */ |
1064 | $actions_to_protect = (array) apply_filters( 'wp_protected_ajax_actions', $actions_to_protect ); |
1065 |
|
1066 | if ( ! in_array( $_REQUEST['action'], $actions_to_protect, true ) ) { |
1067 | return false; |
1068 | } |
1069 |
|
1070 | return true; |
1071 | } |
1072 |
|
1073 | /** |