ceil()函数返回了double类型
http://php.net/manual/en/function.ceil.php官网说是float的,别人测试也是float的,我输出的就是double的。
有可能是哪里出现的问题呢?php是官网下的应该没有问题吧。
回复内容:
http://php.net/manual/en/function.ceil.php官网说是float的,别人测试也是float的,我输出的就是double的。
有可能是哪里出现的问题呢?php是官网下的应该没有问题吧。
PHP 里没有对 浮点型进行区分,统称是float,具体字长则根据平台不同而有所不同。
简单的来说 float就是double,不要在意和区分它。

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