一个php文件中的undefined index怎么去除
一个php文件中的undefined index怎么去除?在浏览器中老是显示Notice。
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是数组索引还是方法,表达清楚点.
错误意思是找不到index这个东西.
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这是一个提示而不是错误 解决的方法就是加个判断
if (isset()$xxxx){
...
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直接回避
error_reporting(E_ALL ^ E_NOTICE);
这种方式,并不适合 java 程序员
但是既然是 java 程序员,那么就应该知道:凡是变量都需要先声明,再使用
非要去使用不知是否存在的变量,只能说是人品问题
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