1
|
Warning: Cannot modify header information - headers already sent by |
此警告的产生原因是:调用header函数之前文件已有输出,例如:
1
2
3
|
echo ' ' ; header( |
1
|
Warning: Cannot modify header information - headers already sent by |
此警告的产生原因是:调用header函数之前文件已有输出,例如:
1
2
3
|
echo ' ' ; header( |