PHP settings allow large file Upload sample code _php tips

Using Nginx as proxy server, the backend is apache2. Set up files that allow maximum 100M to be uploaded.

1. Nginx Configuration:

HTTP {
......
Client_max_body_size 100m;
......
}

2. PHP configuration file
......
; Maximum execution time of each script, in seconds
; Http://php.net/max-execution-time
; Note:this directive is hardcoded to 0 for the CLI SAPI
Max_execution_time = 0

......
[Data Handling]
; Maximum size of POST data that PHP would accept.
; Http://php.net/post-max-size
Post_max_size = 100M

......
[File uploads]
; Maximum allowed size for uploaded files
Upload_max_filesize = 100M

......

3. $_files[file][' ERROR '] Information description

Upload_err_ok
Its value is 0, no error occurred, file upload success.

Upload_err_ini_size
The value is 1, and the uploaded file exceeds the value of the Upload_max_filesize option limit in php.ini.

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

Upload_err_partial
The value is 3 and the file is only partially uploaded.

Upload_err_no_file
The value is 4 and no files are uploaded.

Upload_err_no_tmp_dir
The value is 6 and the temporary folder cannot be found. PHP 4.3.10 and PHP 5.0.3 introduced.

Upload_err_cant_write
The value is 7 and the file write failed. PHP 5.1.0 introduced.