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<?php $arr1 = array(2, 3); $arr4 = (array)$arr1; $arr1[] = 4; var_dump($arr1); var_dump($arr4);
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> int(2) [1]=> int(3) [2]=> int(4) } array(2) { [0]=> int(2) [1]=> int(3) }

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