How php solves the problem of being unable to upload files larger than 8 m _ PHP Tutorial

Php solves the problem of file uploading larger than 8 MB. Develop a file Upload shared site, once wanted to use the following code to achieve the function of file upload: Copy the code is as follows: formenctypemultipartform-dataactionadd_file.php development a file Upload shared site, I used the following code to implement the file upload function:

The code is as follows:

When a File with a slightly larger size is found during actual execution, the File couldn't be moved is displayed.
The file name is displayed in the database, but the size is not displayed.
When a file larger than 8 MB is uploaded, the page does not respond.

The upload code is as follows: form enctype = "multipart/form-data" action = "add_file.php "...