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<?php $a = array('a' => 'a', 'b' => 'b' ); $b = array('a' => 'a_p', 'b' => 'b_p' ); $c = array_merge($a, $b); var_dump($c);
Output for 4.3.0 - 7.1.7
array(2) { ["a"]=> string(3) "a_p" ["b"]=> string(3) "b_p" }