PHP.ini parameter explanation

Parameters	Set up	Description
file_uploads	on	Is it permissible to pass http switch to upload files. The default is on that is, open
upload_tmp_dir	–	files uploaded to the server where temporary files are stored, and if not specified, the system default Temp folder
upload_max_filesize	8m	Look at the business, that is, the maximum size allowed to upload files. The default is 2m
post_max_size	8m	refers to the form post php The maximum value that can be received, including all values in the form. The default is 8m
Description
generally, after setting the above four parameters, in the case of network normal, upload <=8m The file is not a problem
But if you want to upload >8m of large-volume files, only set the above four items will certainly be able to pass. Unless your network really has a 100m/s upload speed, you still have to set the following parameters.
Max_execution_time	600	each php The maximum time value for the page to run ( seconds , the default 30 seconds
max_input_time	600	each php The maximum time required for the page to receive data, default 60 seconds
Memory_limit	8m	each PHP maximum memory eaten by the page, default 8M

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PHP.ini parameter explanation