3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = str_repeat('/' . str_repeat('текст', 1000), 1000); for ($i = 0; $i < 10000; $i++) { list($a, $b) = preg_split('/(?=\/[^\/]+$)/', $str . $i); }

preferences:
44.43 ms | 402 KiB | 5 Q