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<?php $array1 = array("a" => "green", "b" => "red", "c" => "blue"); $array2 = array("b" => "green", "e" => "yellow", "d" => "red"); $result = array_diff($array1, $array2); print_r($result);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [c] => blue )