Sorting multidimensional arrays with single function

<?php

function sortarray($ary, $key = 0) {

  if (!is_array($ary[0]))

    sort($ary);

  else {

    $sorter = array();

    foreach ($ary as $flv)

      $sorter[] = $flv[$key];

       

    array_multisort($sorter, SORT_ASC, $ary);

  }

 

  return($ary);

}

  

 

$ar = array('Yahoo','Google','Bing');

$ar = sortarray($ar);

print_r($ar);

 

$ar = array();

  

$ar[] = array('nick' => 'jojo', 'name' => 'John Shiflett');

$ar[] = array('nick' => 'gogo', 'name' => 'Micheal Gibbins');

$ar[] = array('nick' => 'nono', 'name' => 'Noland Terry');

 

$ar = sortarray($ar,"nick");

 

print_r($ar);

?>