3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'foo.bar'; echo strtok($a, '.') .' | '. $a .' | '. strtok($a, ''); $a = 'foo'; echo strtok($a, '.') .' | '. $a .' | '. strtok($a, '');

preferences:
38.89 ms | 402 KiB | 5 Q