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<?php $array1 = ['foo' => ['a' => 1, 'b' => 2], 'bar' => 1]; $array2 = ['foo' => ['c' => 3, 'a' => 4, 'd' => 4], 'bar' => 2]; var_dump(array_replace_recursive($array1, $array2));
Output for git.master_jit, git.master, rfc.property-hooks
array(2) { ["foo"]=> array(4) { ["a"]=> int(4) ["b"]=> int(2) ["c"]=> int(3) ["d"]=> int(4) } ["bar"]=> int(2) }

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