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run code in 300+ PHP versions simultaneously
<?php for($i = 0; $i < 100000; $i++){ $y += $i; $x = implode("", array("xxxx", "xxxx", "xxxx","xxxx")); } echo $x.$i;
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $y in /in/HvpCg on line 3 xxxxxxxxxxxxxxxx100000

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