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codeigniter bubblesort helper

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searching for a date sort function I found: http://slevy1.wordpress.com/2010/06/30/sorting-date-strings-in-php/ and built my codeigniter helper

call : $arrSortedDates = bubbleSort( $unsorted ); (previous->helper autoload)

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  1. <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
  2.  
  3. if ( ! function_exists('swapValues2')) {
  4. 	function swapValues2( $array, $dex, $dex2 ) {
  5. 		list($array[$dex],$array[$dex2]) = array($array[$dex2], $array[$dex]);
  6. 		return $array;
  7. 	}
  8. }
  9.  
  10. if ( ! function_exists('bubbleSort')) {
  11. 	function bubbleSort( $array)
  12. 	{
  13. 		for( $out=0, $size = count($array);$out < $size -1 ;$out++ )
  14.    	    {
  15.  			for( $in = $out + 1;$in < $size;$in++)
  16.    	        {
  17. 			      if (strtotime($array[ $out ]) > strtotime($array[ $in ]))
  18.    	              {
  19. 				  	$array = swapValues2($array, $out, $in);
  20.    	              }
  21.    			}
  22.   		}
  23. 		return $array;
  24. 	}
  25. }
  26.  
  27.  
  28. /* End of file my_bubblesort_helper.php */
  29. /* Location: ./system/application/helpers/my_bubblesort_helper.php */

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