Explanation on modifying the php configuration file php.ini and setting the file upload size_PHP tutorial

Open php.ini, first find
;;;;;;;;;;;;;;;;;
; File Uploads ;
;;;;;;;;;;;;;; ;;
area, the following parameters that affect file uploads:

file_uploads = on ;Switch whether to allow file uploads via HTTP. The default is ON, that is,

upload_tmp_dir ; Files are uploaded to the server where temporary files are stored. If not specified, the system default temporary folder will be used

upload_max_filesize = 8m ; Wangwen Business , that is, the maximum allowed upload file size. The default is 2M

in
;;;;;;;;;;;;;;;;;;
; Data Handling ; ;;;;;;;
area, there is another item:

post_max_size = 8m ; refers to the maximum value that can be received by PHP through form POST, including all values ​​in the form. The default is 8M

Generally, after setting the above four parameters, uploading files of
But if you want to upload a large file >8M, it will definitely work if you only set the above four items. Unless your network really has an upload speed of 100M/S, you still have to care about the following parameters:

;;;;;;;;;;;;;;;;;;;
; Resource Limits ;
;;;;;;;;;;;;;;;;;;;;

max_execution_time = 600 ;Maximum time value (seconds) for each PHP page to run, default 30 seconds

max_input_time = 600 ; The maximum time required for each PHP page to receive data, the default is 60 seconds

memory_limit = 8m ; The maximum memory consumed by each PHP page, the default is 8M