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run code in 300+ PHP versions simultaneously
<?php $x = [1,2,3]; $y = [2,3,4]; $z = array_merge($x, $y); var_dump($z);
Output for git.master, git.master_jit, rfc.property-hooks
array(6) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(2) [4]=> int(3) [5]=> int(4) }

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