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run code in 300+ PHP versions simultaneously
<?php $GenArr = ""; for ($i = 0;$i < 10; $i++){ $GenArr = range (a,z); echo "\n+1".$GenArr[]; } echo $GenArr; exit; ?>
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.19
Fatal error: Cannot use [] for reading in /in/JmSpp on line 5
Process exited with code 255.

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178.27 ms | 1395 KiB | 55 Q