This question about the problem, still do not know how to ask ~ About Apache PHP

... This question, really do not know how to ask ~ ~ About Apache PHP
In an open-source platform, the system has an upload, download function
For download, it packs all the files into a zip archive and lets you download
When the single file is relatively small (1~2MB), I click "Download All Files" (100 files), the system can be normal to me to pack and download ~
However, when a single file is larger (5~10MB), when you click "Download all Files", the system seems to be unable to return the ZIP compression package

This is probably related to the configuration, right? Should we adjust those parameters?
By the way, the open source platform is (Moodle)
------Solution--------------------
Is it a local environment? is not the memory set too small
------Solution--------------------
Turn on the error function and read the newspaper what's wrong.
------Solution--------------------
Estimate Memory_limit not big enough, add this sentence to see.

Ini_set (' Memory_limit ', ' 128M ');
------Solution--------------------
1 Setting the memory size
2 Set the execution time size to avoid timeouts
------Solution--------------------
10M * = 1000M
PHP also needs work space
Working space is also required to compress files (general 1:1)

