3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=1; echo $a; echo $b; $b=2; call($a); call($b); function call($var){ echo $var; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
1 Warning: Undefined variable $b in /in/Por38 on line 4 12
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 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 - 7.3.31, 7.4.0 - 7.4.33
1 Notice: Undefined variable: b in /in/Por38 on line 4 12
Output for 7.3.32 - 7.3.33
112
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
1 Notice: Undefined variable: b in /in/Por38 on line 4 12

preferences:
305.45 ms | 402 KiB | 456 Q