3v4l.org

run code in 300+ PHP versions simultaneously
<?php $id = filter_var('foo', FILTER_VALIDATE_INT, [ 'options' => ['default' => 2], ]); var_dump($id);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 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
int(2)
preferences:
132.99 ms | 407 KiB | 5 Q