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<?php $a = array ('title' => 'Header', 'text' => 'input'); $a2 = array('title' => 'Theme'); var_dump(array_merge($a2, $a));
based on 3tZY4
Output for 4.3.0 - 7.2.0
array(2) { ["title"]=> string(6) "Header" ["text"]=> string(5) "input" }