3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match("#[\w-()]#", 'some text');
Output for 7.3.0 - 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
Warning: preg_match(): Compilation failed: invalid range in character class at offset 3 in /in/OqMP4 on line 3
Output for 5.6.38, 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33
preferences:
239.15 ms | 407 KiB | 5 Q