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这里怎么理解呢

WBOY
WBOYOriginal
2016-06-13 12:10:36862browse

这里如何理解呢
这是discuz中的一段代码,为了是判断php的版本号,我不理解的是,即然版本号都定为一个5.4.0RC6字符串了,哪来的比较呢,就好比,adafasdf这个字段串和wdsfa这个字符串比大小,这不是不伦不类吗,这里面的道理何在?


------解决思路----------------------
指重新定义

define('PHP_VERSION', '6');<br />
Notice: Constant PHP_VERSION already defined in ....

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