Sort an Array by keys based on another Array

<?php

$customer['address']    = '123 fake st';
$customer['name']       = 'Tim';
$customer['dob']        = '12/08/1986';
$customer['dontSortMe'] = 'this value doesnt need to be sorted';

$properOrderedArray = array_merge(array_flip(array('name', 'dob', 'address')), $customer);
// or
$properOrderedArray = array_replace(array_flip(array('name', 'dob', 'address')), $customer);

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