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<?php $arr1 = [1,2,3]; $arr2 = $arr1; debug_zval_dump($arr2); key($arr2); debug_zval_dump($arr2); unset($arr1); unset($arr2); $arr1 = [1,2,3]; $arr2 = $arr1; debug_zval_dump($arr2); end($arr2); debug_zval_dump($arr2);
Output for git.master, git.master_jit, rfc.property-hooks
array(3) refcount(4){ [0]=> int(1) [1]=> int(2) [2]=> int(3) } array(3) refcount(4){ [0]=> int(1) [1]=> int(2) [2]=> int(3) } array(3) refcount(4){ [0]=> int(1) [1]=> int(2) [2]=> int(3) } array(3) refcount(2){ [0]=> int(1) [1]=> int(2) [2]=> int(3) }

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