PHP入门

如果在执行php程序时看到这条警告:"Warning: Cannot modify header information - headers already sent by ....".

有以下几种解决方法:

昨天在使用cookie时页面报错:php Cannot modify header information-headers already sent by了,下面我来总结关于报错的解决办法,代码如下:

Warning: Cannot modify header information - headers already sent by