<?php $testArray1 = array('key1', 'key2', 'key3'); $testArray2 = array('value1', 'value2', 'value3'); $testArray3 = array_combine($testArray1, $testArray2); print_r($testArray3); //Array ( [key1] => value1 [key2] => value2 [key3] => value3 ) // NOTE : Make sure that the 2 arrays have equual // number of elements ?>