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保存价格.00

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WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOriginal
2016-06-13 11:57:35870browse

保留价格.00

本帖最后由 xiaopeng0803 于 2014-05-19 11:45:06 编辑 
 $price = "98.00";<br />$num   = 2;<br />$total = $price * $num;<br />

如何$total保留.00？
------解决方案--------------------
number_format 这个函数可以实现
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