Online PHP editor | refs for ctoXZ

<?php $arrDates = array( "12/25/2009","01/10/2008","02/12/2000","03/17/1948", "03/06/1948","11/25/1972","10/23/2009","01/14/2008", "02/22/2000","03/27/1948","03/16/1948","11/24/1972", "11/13/2009","11/10/2008","12/12/2000","05/17/1948", "05/06/1948","10/25/1972","09/23/2009","02/14/2008", "03/22/2000","04/27/1948","04/16/1948","08/24/1972" ); /** * swapValue2() * @param array $array * @param int $dex * @param int $dex2 * swap two array values **/ function swapValues2( $array, $dex, $dex2 ) { list($array[$dex],$array[$dex2]) = array($array[$dex2], $array[$dex]); return $array; } /** * bubbleSort() * @param array $array * performs bubble sort using optimized implementation **/ function bubbleSort( $array) { for( $out=0, $size = count($array); $out < $size - 1 ; $out++ ) { for( $in = $out + 1; $in < $size; $in++ ) { if (strtotime($array[ $out ]) > strtotime($array[ $in ])) { $array = swapValues2($array, $out, $in); } } } return $array; } var_dump(bubbleSort($arrDates));