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run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3); $b = array(3,4,5); $c = array_merge($a, $b); var_export($a ); var_export($c);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => 1, 1 => 2, 2 => 3, )array ( 0 => 1, 1 => 2, 2 => 3, 3 => 3, 4 => 4, 5 => 5, )

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