3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_replace( '/foo/', 'bar', null );
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Deprecated: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/vFJJS on line 3
Output for 8.0.1 - 8.0.30
preferences:
74.3 ms | 407 KiB | 5 Q