// 冒泡排序(数组排序) function bubble_sort( $array ) { $count = count ( $array ); if ( $count <= 0 ) return false ; for ( $i = 0 ; $i < $count ; $i ++ ){ for ( $j = $count - 1 ; $j > $i ; $j -- ){ if ( $array [ $j ] < $array [ $j - 1 ]){ $tmp = $array [ $j ]; $array [ $j ] = $array [ $j - 1 ]; $array [ $j - 1 ] = $tmp ; } } } return $array ; } // 快速排序(数组排序) function quick_sort( $array ) { if ( count ( $array ) <= 1 ) return $array ; $key = $array [ 0 ]; $left_arr = array (); $right_arr = array (); for ( $i = 1 ; $i < count ( $array ); $i ++ ){ if ( $array [ $i ] <= $key ) $left_arr [] = $array [ $i ]; else $right_arr [] = $array [ $i ]; } $left_arr = quick_sort( $left_arr ); $right_arr = quick_sort( $right_arr ); return array_merge ( $left_arr , array ( $key ) , $right_arr ); }