3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_replace('~(.)\1++~', '...', str_repeat('x', 65_540)); echo preg_last_error_msg();
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.15, 8.5.0
JIT stack limit exhausted
preferences:
49.66 ms | 406 KiB | 5 Q