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<?php $arr1 = [1, 2, 3]; $arr2 = [2, 4, 1]; $arr1 += $arr2; var_dump($arr1); $arr1 = ["foo", "bar", "baz"]; $arr2 = ["bar", "qux", "foo"]; $arr1 += $arr2; var_dump($arr1); $arr1 = [1, 2, 3]; $arr2 = [2, 4, 1]; $arr1 = array_merge($arr1, $arr2); var_dump($arr1); $arr1 = ["foo", "bar", "baz"]; $arr2 = ["bar", "qux", "foo"]; $arr1 = array_merge($arr1, $arr2); var_dump($arr1);
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } array(6) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(2) [4]=> int(4) [5]=> int(1) } array(6) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" [3]=> string(3) "bar" [4]=> string(3) "qux" [5]=> string(3) "foo" }

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