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run code in 300+ PHP versions simultaneously
<?php $array = []; // Unwanted Notice // $array['iDoNotExistYet']++; // Same but without Notice $array['iDoNotExistYet'] = ($array['iDoNotExistYet'] ?? 0) + 1; echo $array['iDoNotExistYet'];
Output for 7.1.25 - 7.1.28, 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
1

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133.45 ms | 407 KiB | 5 Q