} elseif (!is_array($array1)) {
// Left one is not an array
debug_report_bug(__FILE__, __LINE__, sprintf("array1 is not an array. array != %s", gettype($array1)));
} elseif (!is_array($array1)) {
// Left one is not an array
debug_report_bug(__FILE__, __LINE__, sprintf("array1 is not an array. array != %s", gettype($array1)));