3v4l.org

run code in 300+ PHP versions simultaneously
<?php $directory = array ( 0 => '.', 1 => '..', 2 => '.ftpquota', 3 => 'error_log', 4 => 'index.php', 5 => 'index2.php' ); $directory = array_filter($directory, function ($name) { return !in_array($name, array('.', '..')); }); print_r($directory); $directory = array ( 0 => '.', 1 => '..', 2 => '.ftpquota', 3 => 'error_log', 4 => 'index.php', 5 => 'index2.php' ); $directory = array_filter($directory, function ($name) { return !preg_match('/^\.\.?$/', $name); }); print_r($directory);
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Array ( [2] => .ftpquota [3] => error_log [4] => index.php [5] => index2.php ) Array ( [2] => .ftpquota [3] => error_log [4] => index.php [5] => index2.php )
preferences:
143.8 ms | 407 KiB | 5 Q