<?php
$test = [
'asda_en_37458389.png',
'en_12312321.png'
];
foreach ($test as $test_case) {
}
PD9waHAKJHRlc3QgPSBbCidhc2RhX2VuXzM3NDU4Mzg5LnBuZycsCidlbl8xMjMxMjMyMS5wbmcnCl07Cgpmb3JlYWNoICgkdGVzdCBhcyAkdGVzdF9jYXNlKSB7CiAgZWNobyBzdWJzdHIoJHRlc3RfY2FzZSwgc3RycnBvcygkdGVzdF9jYXNlLCAnXycpICsgMSkgLiBQSFBfRU9MOwp9