How to set file size in php.ini

How to set the file size of php.ini: first find and open the "php.ini" file; then set it to allow uploading files through HTTP; then find the "upload_max_filesize" configuration item and set the new parameter value; finally save And just restart Apache.

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php.ini

The php.ini file saves some important attributes of php, such as some restrictions on file uploading that we are going to talk about now. Regarding php.ini, there is a good introduction: Detailed explanation of php.ini file. When writing php in Windows system, we must have seen this picture (source Baidu):

on this page We can see that the circled part indicates the location of the php.ini file. When we tested a php file on the Linux server today, the result of opening the page was like this:

Then we How to get the location information of php.ini?

Method one is to write a test php page and use the phpinfo() function to output it, but Linux has a more convenient output method, directly in the command line:

php -r “phpinfo() ;”

In fact, it is equivalent to running the phpinfo() function under php. At this time, the information of the first page will be output:

Look carefully. This is the information in Figure 1, so we can find the file location of php.ini from it, and then enter the location directly: 

We can see php.ini in the files listed below , the next step is to change the information we want to change, use vim to open the file: 

vim php.ini
The next step is to find it, the file is still a bit long, about 40% The most important place is the configuration items we want to use: 


#First find 
file_uploads = on; the switch to allow uploading files through HTTP. The default is ON, which is to open 
upload_tmp_dir; Files are uploaded to the place where temporary files are stored on the server. 
upload_max_filesize = 8m; The maximum size of files allowed to be uploaded. The default is 2M
post_max_size = 8m; the maximum value that can be received by the form POST to PHP, including all values ​​​​in the form, the default is 8M
According to online information, if you upload a file larger than 8M, it will still To change the time setting: 
max_execution_time = 600; The maximum time value (seconds) for each PHP page to run, the default is 30 seconds 
max_input_time = 600; The maximum time required for each PHP page to receive data, the default 60 seconds
memory_limit = 8m; The maximum memory consumed by each PHP page, the default is 8M
After modifying the above parameters, you can upload large files under normal circumstances allowed by the network
 max_execution_time = 600
max_input_time = 600
memory_limit = 32m
file_uploads = on
upload_tmp_dir = /tmp
upload_max_filesize = 32m
post_max_size = 32m
After the modification is completed, press Esc key input: wq to save and exit, then restart apache, enter in the command line: 

service httpd restart

 Then test uploading a larger file and it should be ok . 
end~
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