php-8.0.30-src/ext/dba/tests/test.inc

<?php
    require_once dirname(__FILE__) .'/skipif.inc';
    $lock_flag = 'l';
    $db_filename = $db_file = dirname(__FILE__) .'/test0.dbm';
    @unlink($db_filename);
    @unlink($db_filename.'.lck');
?>