Custom key-sort a flat associative based on another array

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Just use array_merge or array_replace. array_merge works by starting with the array you give it (in the proper order) and overwriting/adding the keys with data from your actual array:

$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);

// $properOrderedArray: array(
//   'name'       => 'Tim',
//   'dob'        => '12/08/1986',
//   'address'    => '123 fake st',
//   'dontSortMe' => 'this value doesnt need to be sorted')

PS: I’m answering this ‘stale’ question, because I think all the loops given as previous answers are overkill.

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