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<?php $a = [1, 3 => "x", 2 => "y", "z"]; var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { [0]=> int(1) [3]=> string(1) "x" [2]=> string(1) "y" [4]=> string(1) "z" }

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