在PHP里面 !=和<> 有什么区别 ?
What is the difference between != and <> in PHP? - PHP Chinese website Q&A - What is the difference between != and <> in PHP? - PHP Chinese website Q&A
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没啥区别，执行的效果是一样的，只是以前是<>这个符号作为判断两个数据不相等，后来有了!=这个符号就可以代替<>这个符号。不知道有没有明白。
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What is the difference between != and <> in PHP? - PHP Chinese website Q&A - What is the difference between != and <> in PHP? - PHP Chinese website Q&A
Take a look around and learn.
没啥区别，执行的效果是一样的，只是以前是<>这个符号作为判断两个数据不相等，后来有了!=这个符号就可以代替<>这个符号。不知道有没有明白。