php保留两位小数并且四舍五入?
Php代码??
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- $num?=?123213.666666;??
- echo?sprintf("%.2f",?$num);??
php保留两位小数并且不四舍五入?
Php代码??
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- $num?=?123213.666666;??
- echo?sprintf("%.2f",substr(sprintf("%.3f",?$num),?0,?-2));??
php进一法取整?
Php代码??
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- echo?ceil(4.3);????//?5??
- echo?ceil(9.999);??//?10??
php舍去法,取整数?
Php代码??
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- echo?floor(4.3);???//?4??
- echo?floor(9.999);?//?9??