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PHP 代码实现 冒泡排序 #17

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24 changes: 24 additions & 0 deletions 1.bubbleSort.md
Original file line number Diff line number Diff line change
Expand Up @@ -109,4 +109,28 @@ public class BubbleSort implements IArraySort {
return arr;
}
}
```

## 9. PHP 代码实现

```php
function bubbleSort($arr)
{
$count = count($arr);
if ($count == 0) return false;
// 设置一个空数组 用来接收冒出来的泡
$tmp = [];
// 该层循环控制 需要冒泡的轮数
for ($i = 0; $i < $count; $i++) {
//该层循环用来控制每轮 冒出一个数需要比较的次数
for ($j = 0; $j < $count - 1 - $i; $j++) {
if ($arr[$j] > $arr[$j + 1]) {
$tmp = $arr[$j];
$arr[$j] = $arr[$j + 1];
$arr[$j + 1] = $tmp;
}
}
}
return $arr;
}
```