Warning: File upload error - unable to create a temporary file in Unknown on line 0

本文来源：https://www.cnblogs.com/thinkingthigh/p/7894856.html

衷心感谢作者！

upload_tmp_dir 临时文件夹问题

上传文件提示

Warning: File upload error - unable to create a temporary file in Unknown on line 0

找到php.ini 中的 upload_tmp_dir 把前边的“；”去掉然后改为upload_tmp_dir =C:\Windows\temp
最后记得重启apache