使用php生成一个冒泡

这是一个使用PHP生成冒泡排序的示例代码：

<?php

function bubbleSort($arr) {
    $len = count($arr);
    for ($i = 0; $i < $len - 1; $i++) {
        for ($j = 0; $j < $len - $i - 1; $j++) {
            if ($arr[$j] > $arr[$j + 1]) {
                $temp = $arr[$j];
                $arr[$j] = $arr[$j + 1];
                $arr[$j + 1] = $temp;
            }
        }
    }
    return $arr;
}

$arr = array(5, 3, 8, 4, 2);
echo "Original Array: ";
echo implode(", ", $arr) . "\n";

$arr = bubbleSort($arr);
echo "Sorted Array: ";
echo implode(", ", $arr) . "\n";

?>

运行结果：

Original Array: 5, 3, 8, 4, 2
Sorted Array: 2, 3, 4, 5, 8

相关问题

实现冒泡排序算法。随机生成1-99之间的10个整数，存入数组中，数组下标依次为0,1,2,3…以此类推。采用冒泡排序算法对数组中的数据进行排序，输出中间过程 使用PHP

下面是实现冒泡排序算法，随机生成10个1-99之间整数，并输出中间排序过程的 PHP 代码：

<?php

// 生成10个1-99之间的整数
$nums = [];
for ($i = 0; $i < 10; $i++) {
    $nums[] = rand(1, 99);
}
echo "原始数据：";
print_r($nums);

// 冒泡排序算法
for ($i = 0; $i < count($nums); $i++) {
    // 每轮循环将最大的数移到最后
    for ($j = 1; $j < count($nums) - $i; $j++) {
        if ($nums[$j - 1] > $nums[$j]) {
            $temp = $nums[$j - 1];
            $nums[$j - 1] = $nums[$j];
            $nums[$j] = $temp;
        }
        echo "排序中间过程：";
        print_r($nums);
    }
}

// 输出排序后的结果
echo "排序后的数据：";
print_r($nums);

运行以上代码，可以得到类似如下的输出结果：

原始数据：Array
(
    [0] => 98
    [1] => 61
    [2] => 53
    [3] => 3
    [4] => 29
    [5] => 36
    [6] => 64
    [7] => 79
    [8] => 98
    [9] => 36
)
排序中间过程：Array
(
    [0] => 61
    [1] => 98
    [2] => 53
    [3] => 3
    [4] => 29
    [5] => 36
    [6] => 64
    [7] => 79
    [8] => 98
    [9] => 36
)
排序中间过程：Array
(
    [0] => 61
    [1] => 53
    [2] => 98
    [3] => 3
    [4] => 29
    [5] => 36
    [6] => 64
    [7] => 79
    [8] => 98
    [9] => 36
)
排序中间过程：Array
(
    [0] => 61
    [1] => 53
    [2] => 3
    [3] => 98
    [4] => 29
    [5] => 36
    [6] => 64
    [7] => 79
    [8] => 98
    [9] => 36
)
排序中间过程：Array
(
    [0] => 61
    [1] => 53
    [2] => 3
    [3] => 29
    [4] => 98
    [5] => 36
    [6] => 64
    [7] => 79
    [8] => 98
    [9] => 36
)
排序中间过程：Array
(
    [0] => 61
    [1] => 53
    [2] => 3
    [3] => 29
    [4] => 36
    [5] => 98
    [6] => 64
    [7] => 79
    [8] => 98
    [9] => 36
)
排序中间过程：Array
(
    [0] => 61
    [1] => 53
    [2] => 3
    [3] => 29
    [4] => 36
    [5] => 64
    [6] => 98
    [7] => 79
    [8] => 98
    [9] => 36
)
排序中间过程：Array
(
    [0] => 61
    [1] => 53
    [2] => 3
    [3] => 29
    [4] => 36
    [5] => 64
    [6] => 79
    [7] => 98
    [8] => 98
    [9] => 36
)
排序中间过程：Array
(
    [0] => 61
    [1] => 53
    [2] => 3
    [3] => 29
    [4] => 36
    [5] => 64
    [6] => 79
    [7] => 98
    [8] => 36
    [9] => 98
)
排序中间过程：Array
(
    [0] => 53
    [1] => 3
    [2] => 29
    [3] => 36
    [4] => 61
    [5] => 64
    [6] => 79
    [7] => 36
    [8] => 98
    [9] => 98
)
排序中间过程：Array
(
    [0] => 3
    [1] => 29
    [2] => 36
    [3] => 53
    [4] => 61
    [5] => 64
    [6] => 36
    [7] => 79
    [8] => 98
    [9] => 98
)
排序中间过程：Array
(
    [0] => 3
    [1] => 29
    [2] => 36
    [3] => 53
    [4] => 61
    [5] => 36
    [6] => 64
    [7] => 79
    [8] => 98
    [9] => 98
)
排序中间过程：Array
(
    [0] => 3
    [1] => 29
    [2] => 36
    [3] => 53
    [4] => 36
    [5] => 61
    [6] => 64
    [7] => 79
    [8] => 98
    [9] => 98
)
排序中间过程：Array
(
    [0] => 3
    [1] => 29
    [2] => 36
    [3] => 36
    [4] => 53
    [5] => 61
    [6] => 64
    [7] => 79
    [8] => 98
    [9] => 98
)
排序中间过程：Array
(
    [0] => 3
    [1] => 29
    [2] => 36
    [3] => 36
    [4] => 53
    [5] => 61
    [6]

php中数组排序，实现冒泡排序算法。随机生成1-99之间的10个整数，存入数组中，数组下标依次为0,1,2,3…以此类推。采用冒泡排序算法对数组中的数据进行排序，输出中间过程

好的，这个问题我可以回答。以下是 PHP 冒泡排序算法的代码实现：

<?php
// 生成随机数组
$arr = array();
for ($i = 0; $i < 10; $i++) {
    $arr[$i] = rand(1, 99);
}

echo "原始数组：";
print_r($arr);

// 冒泡排序算法
for ($i = 0; $i < count($arr) - 1; $i++) {
    for ($j = 0; $j < count($arr) - $i - 1; $j++) {
        if ($arr[$j] > $arr[$j + 1]) {
            $tmp = $arr[$j];
            $arr[$j] = $arr[$j + 1];
            $arr[$j + 1] = $tmp;
        }
        echo "第" . ($i * (count($arr) - 1) + $j + 1) . "次排序：";
        print_r($arr);
    }
}

echo "最终排序结果：";
print_r($arr);
?>

运行上述代码，你会看到输出的中间过程，类似于这样：

原始数组：Array ( [0] => 27 [1] => 50 [2] => 68 [3] => 26 [4] => 68 [5] => 17 [6] => 10 [7] => 1 [8] => 21 [9] => 42 )
第1次排序：Array ( [0] => 27 [1] => 50 [2] => 26 [3] => 68 [4] => 17 [5] => 68 [6] => 1 [7] => 21 [8] => 42 [9] => 10 )
第2次排序：Array ( [0] => 27 [1] => 26 [2] => 50 [3] => 17 [4] => 68 [5] => 1 [6] => 21 [7] => 42 [8] => 10 [9] => 68 )
...
第44次排序：Array ( [0] => 1 [1] => 10 [2] => 17 [3] => 21 [4] => 26 [5] => 27 [6] => 42 [7] => 50 [8] => 68 [9] => 68 )
最终排序结果：Array ( [0] => 1 [1] => 10 [2] => 17 [3] => 21 [4] => 26 [5] => 27 [6] => 42 [7] => 50 [8] => 68 [9] => 68 )

这里我们生成了一个包含10个随机整数的数组，并采用冒泡排序算法对其进行排序。在排序过程中，每进行一趟排序，我们都会输出当前数组的状态，以便查看中间过程。最终排序结果也会被输出。