3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'http://qa.office/' ; $int = intval(preg_replace("//'/", "/2", $string), 10); echo $int;
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Warning: preg_replace(): Unknown modifier ''' in /in/RCg62 on line 4 0
preferences:
234.06 ms | 404 KiB | 293 Q