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run code in 300+ PHP versions simultaneously
<?php $a = $b; $c = @$d;
Output for 8.0.0 - 8.0.8
Warning: Undefined variable $b in /in/03cuu on line 3
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.29, 7.4.0 - 7.4.21
Notice: Undefined variable: b in /in/03cuu on line 3

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269.01 ms | 460 KiB | 5 Q