Why php cannot find temporary files

I encountered such trouble recently. The error code returned when the temporary folder cannot be found is 6

##Cause of error:

1. The configuration file does not set a temporary folder (recommended learning:

PHP video tutorial)

2. The temporary folder does not have or the upper-level folder does not have corresponding permissions

Processing method:

Find the PHP configuration file PHP.ini and find the following code

;upload_tmp_dir =

Change to:

upload_tmp_dir = "C:/Windows/Temp"  //后面的文件夹路径根据您的系统来设置

If the permissions are insufficient, you can add corresponding permissions to the files according to the different operating systems

Other knowledge:

$_FILES['file']['error']

The value is 0, No errors occurred and the file uploaded successfully.

The value is 1, and the uploaded file exceeds the limit of the upload_max_filesize option in PHP.ini.

The value is 2, and the size of the uploaded file exceeds the value specified by the MAX_FILE_SIZE option in the HTML form.

The value is 3, and only part of the file is uploaded.

The value is 4 and no files were uploaded.

The value is 6 and the temporary folder cannot be found. PHP4.3.10 and PHP5.0.3 were introduced.

The value is 7 and the file writing failed. PHP5.1.0 introduced.

If you see the error, it should be that the temporary folder does not have write permission or does not exist

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