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<?php $x = 123; $a = array(array(&$x, 'hi')); $b = $a; var_dump($a, $b); $b[0][0]++; var_dump($a, $b);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [0]=> array(2) { [0]=> &int(123) [1]=> string(2) "hi" } } array(1) { [0]=> array(2) { [0]=> &int(123) [1]=> string(2) "hi" } } array(1) { [0]=> array(2) { [0]=> &int(124) [1]=> string(2) "hi" } } array(1) { [0]=> array(2) { [0]=> &int(124) [1]=> string(2) "hi" } }

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