php array merge for associative arrays
<?php $array1 = array('key1' => 'test1', 'key2' => 'test2'); $array2 = array('key3' => 'test3', 'key4' => 'test4'); $resultArray = array_merge($array1, $array2); // If you have numeric or numeric like keys, array_merge will // reset the keys to 0 and start numbering from there $resultArray = $array1 + $array2; // Using the addition operator will allow you to preserve your keys, // however any duplicate keys will be ignored.