3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = $b; $c = @$d;
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
Warning: Undefined variable $b in /in/03cuu on line 3
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.3.33, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: b in /in/03cuu on line 3
Output for 7.3.32, 7.4.26

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164.28 ms | 401 KiB | 177 Q