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请问怎样将字符公式计算出结果

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Release： 2016-06-13 10:21:41
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请教怎样将字符公式计算出结果？
比如 数据库里存入 公式：50+2*3/5

请问 怎样可以将这段 字符 计算得到结果？谢谢

------解决方案--------------------
eval（）

Related labels：
eval
source：php.cn
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