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run code in 300+ PHP versions simultaneously
<?php $arr = (0,1,2); foreach ($arr as &$arr) { echo $arr; }
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.24
Parse error: syntax error, unexpected ',' in /in/I5pAF on line 3
Process exited with code 255.
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186.45 ms | 940 KiB | 62 Q