1.配置PHP.ini，修改session.save_path

如：session.save_path = d:/developer/PHP/temp 或 /tmp

2.程序

1.PHP

2.PHP

首先运行1.PHP，然后运行2.PHP，页面应该出现test

错误提示：Cannot send session cookie - headers already sent by ...

出现该错误是页面中session_start();语句前存在输出语句

如下例：

将放到后面即可

修改PHP.ini

upload_tmp_dir=d:/temp 或 /tmp

upload.PHP

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PHP Upload