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<?php $x = 4; $y = &$x; $a = [1,2,$y]; $b = $a; $b[2] = 40; var_dump($a); var_dump($b);
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(4) } array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(40) }

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