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<?php $array1 = array( 'a' => 1, 'b' => 2, ); $array2 = array( 'b' => 22, 'c' => 3, ); var_dump(array_merge($array1, $array2));
Output for 4.3.0 - 7.1.0
array(3) { ["a"]=> int(1) ["b"]=> int(22) ["c"]=> int(3) }