example array_combine()

<?php
    $ar1 = array('name', 'age', 'height');
    $ar2 = array('Bob', 23, '5\'8"');

    $newary = array_combine($ar1, $ar2);

    print_r($newary);
?>

result:

Array (
[name] => Bob
[age] => 23
[height] => 5'8"
)