3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dir = getcwd(); $total = PHP_INT_MAX + 1337; !is_dir($dir) && mkdir($dir); for ($i = 0; $i < $total; ++$i) { $filename = $dir . str_pad($i, 6, '0', STR_PAD_LEFT); touch($filename); } $files = scandir($dir); echo 'scandir: ' . (count($files) - 2) . '/' . $total. PHP_EOL;

preferences:
32.43 ms | 402 KiB | 5 Q