数组冒泡排序 二维数组元素排序

/**************冒泡排序**/$intarr = array(3,2,7,1,55,44);function maopaoSort($str){  for($i=0;$i<count($str);$i++){  for($k=1;$k<count($str)-$i;$k++){if($str[$k-1]>$str[$k]){$tmp = $str[$k-1];$str[$k-1] = $str[$k];$str[$k] = $tmp;}}}      return $str; }$res = maopaoSort($intarr);print_r($res);//打印/** * 对二维数组元素进行排序 * */$books = array(array('name'=>'php','price'=>100),array('name'=>'java','price'=>99),array('name'=>'mysql','price'=>200),array('name'=>'photoshop','price'=>20));//方法一 ：冒泡排序function booksSort($books){for($i=0;$i<count($books);$i++){for($j=1;$j<count($books)-$i;$j++){if($books[$j-1]['price']>$books[$j]['price']){$tmp_name = $books[$j-1]['name'];$tmp_price = $books[$j-1]['price'];$books[$j-1]['name'] = $books[$j]['name'];$books[$j-1]['price'] = $books[$j]['price'];$books[$j]['name'] = $tmp_name;$books[$j]['price'] = $tmp_price;}}}return $books;}print_r(booksSort($books));//打印//方法二：function booksSortTwo($arr){$tmp_arr = array();foreach($arr as $k=>$v){$tmp_arr[$k] = $v['price'];}asort($tmp_arr);foreach($tmp_arr as $kt=>$vt){$tmp_arr2[$kt] = $arr[$kt];$resarr[] = $tmp_arr2[$kt];}return $resarr;}print_r(booksSortTwo($books));//打印