sort_array_on_value() - sorting multidimensional arrays into hyperspace

sort_array_on_value.php

//
// Easy lil' sorting thingamajig. Mad creds to Antonio Navarro of 040.
//

function sort_array_on_value($array_to_sort, $sort_on_value, $descending = false) {
  $sortArr = array();

  foreach ($array_to_sort as $key => $value)  {
    $sortArr[$key] = $value[$sort_on_value];
  }

  if ($descending) {
    arsort($sortArr);
  } else {
    asort($sortArr);
  }

  $resultArr = array();
  foreach ($sortArr as $key => $value) {
    $resultArr[$key] = $array_to_sort[$key];
  }

  return $resultArr;
}

Way cool. Thanks for sharing Andreas!