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Sorting a Multi-Dimensional Array with PHP

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  1. function subval_sort($a,$subkey) {
  2. 	foreach($a as $k=>$v) {
  3. 		$b[$k] = strtolower($v[$subkey]);
  4. 	}
  5. 	asort($b);
  6. 	foreach($b as $key=>$val) {
  7. 		$c[] = $a[$key];
  8. 	}
  9. 	return $c;
  10. }

URL: http://firsttube.com/read/sorting-a-multi-dimensional-array-with-php/

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