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<?php $a = [1, 2, 3]; foreach ($a as &$v) { var_dump($a); var_dump(array_pop($a)); var_dump($a); }
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> &int(1) [1]=> int(2) [2]=> int(3) } int(3) array(2) { [0]=> &int(1) [1]=> int(2) } array(2) { [0]=> int(1) [1]=> &int(2) } int(2) array(1) { [0]=> int(1) }

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