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请教php有没有将字符串当做公式处理数据的功能
- WBOYOriginal
- 2016-06-13 12:12:01991browse
请问php有没有将字符串当做公式处理数据的功能？
不如$a=100;
$b="$c=$a-20";
怎样处理一下就可以得到80？
------解决思路----------------------
<br />$a=100;<br />eval("\$b=\$c=$a-20;");<br />echo $b; //80<br />
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