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run code in 300+ PHP versions simultaneously
<?php $i = 1; $i = ++$i++; var_dump($i);
Output for 5.4.0 - 5.4.20
Parse error: syntax error, unexpected '++' (T_INC) in /in/jqsOB on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_INC in /in/jqsOB on line 4
Process exited with code 255.

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191.76 ms | 1386 KiB | 56 Q