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php中define带入表达式问题
- WBOYOriginal
- 2016-06-02 11:34:03952browse
php
<code>define('GW_MAXFILESIZE', '32768*10');echo GW_MAXFILESIZE/1;</code>
为什么输出是32768而不是327680呢？
读书少……
一个猜想，php不像C是原样替换，先发生了类型转换，遇到「*」号就直接忽略后面的了。
若如此，那么
define('GW_MAXFILESIZE', '32768*10');
if(GW_MAXFILESIZE>0) {
//whatever
}
又如何处理常量呢？
谢谢
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