Disable function edition for customers

[twacha10]

hello,

i use cloudlinux with cageFS enabled and PHP selector installed , and i want to prevent users from bypassing upload_max_filesize throught PHP.ini , i took a look over this page http://docs.cloudlinux.com/index.htm...i_options.html
but i didn understand

can u please give me the steps to do this ?

Best regards