PHP_保留两位小数并且四舍五入_保留两位小数并且不四舍五入
2011-09-26 11:01
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php保留两位小数并且四舍五入
Php代码
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/8cc4800951a0b9dc8e87e45acb7c7212.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/f61cb8edfec865bedf64b9012ac3a846.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/f883b3e3b4418768e66b88d422b7d6d8.gif)
$num = 123213.666666; echo sprintf("%.2f", $num);
php保留两位小数并且不四舍五入
Php代码
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/8cc4800951a0b9dc8e87e45acb7c7212.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/f61cb8edfec865bedf64b9012ac3a846.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/f883b3e3b4418768e66b88d422b7d6d8.gif)
$num = 123213.666666; echo sprintf("%.2f",substr(sprintf("%.3f", $num), 0, -2));
php进一法取整
Php代码
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/8cc4800951a0b9dc8e87e45acb7c7212.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/f61cb8edfec865bedf64b9012ac3a846.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/f883b3e3b4418768e66b88d422b7d6d8.gif)
echo ceil(4.3); // 5 echo ceil(9.999); // 10
php舍去法,取整数
Php代码
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/8cc4800951a0b9dc8e87e45acb7c7212.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/f61cb8edfec865bedf64b9012ac3a846.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/f883b3e3b4418768e66b88d422b7d6d8.gif)
echo floor(4.3); // 4 echo floor(9.999); // 9
Php代码
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/8cc4800951a0b9dc8e87e45acb7c7212.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/f61cb8edfec865bedf64b9012ac3a846.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/f883b3e3b4418768e66b88d422b7d6d8.gif)
$num = 123213.666666; echo sprintf("%.2f", $num);
$num = 123213.666666; echo sprintf("%.2f", $num);
php保留两位小数并且不四舍五入
Php代码
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/8cc4800951a0b9dc8e87e45acb7c7212.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/f61cb8edfec865bedf64b9012ac3a846.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/f883b3e3b4418768e66b88d422b7d6d8.gif)
$num = 123213.666666; echo sprintf("%.2f",substr(sprintf("%.3f", $num), 0, -2));
$num = 123213.666666; echo sprintf("%.2f",substr(sprintf("%.3f", $num), 0, -2));
php进一法取整
Php代码
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/8cc4800951a0b9dc8e87e45acb7c7212.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/f61cb8edfec865bedf64b9012ac3a846.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/f883b3e3b4418768e66b88d422b7d6d8.gif)
echo ceil(4.3); // 5 echo ceil(9.999); // 10
echo ceil(4.3); // 5 echo ceil(9.999); // 10
php舍去法,取整数
Php代码
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/8cc4800951a0b9dc8e87e45acb7c7212.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/f61cb8edfec865bedf64b9012ac3a846.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201109/f883b3e3b4418768e66b88d422b7d6d8.gif)
echo floor(4.3); // 4 echo floor(9.999); // 9
echo floor(4.3); // 4 echo floor(9.999); // 9
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