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<?php $arr1 = ['foo', 'bar', 'baz', 'foo']; $arr2 = ['foo', 'bar', 'baz', 'bar']; $intersect = array_intersect($arr1, $arr2); var_dump(count($intersect) === count($arr1) && count($arr1) === count($arr2)); var_dump($intersect);
Output for git.master, git.master_jit, rfc.property-hooks
bool(true) array(4) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" [3]=> string(3) "foo" }

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