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<?php $a = array('1','2','3','4'); $b = array('4','5','6','7'); $c = array_intersect($a, $b); Var_dump($c); $d = array_diff($a,$b); Var_dump($d);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [3]=> string(1) "4" } array(3) { [0]=> string(1) "1" [1]=> string(1) "2" [2]=> string(1) "3" }

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