arf_prevent_duplicate_entry
Usage:
add_filter('arf_prevent_duplicate_entry', 'your_function', 10, 3);
function your_function($error_message, $form_id, $values){
//$error_message Error Message to display.
$prevent_entry = true;
return $prevent_entry;
}
Parameters:
$error_message
Error Message to display to prevent form submission entry.
$form_id
Form ID.
$values
Array of fields entries.