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

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