3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = filter_input(INPUT_GET, 'persons', FILTER_VALIDATE_INT, array( 'options' => array( 'default' => false, ), )); var_dump($foo);
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.16, 8.4.1 - 8.4.3
bool(false)

preferences:
129.45 ms | 408 KiB | 5 Q