Help!

I want to mod futallaby to accept webm uploads

Here is the script:

https://pastebin.com/3inq5Qey

>>6
Right now I'm trying to get the thumb function to work because php had no gd and I installed it and now I get


[Thu Apr 11 11:45:16 2019] PHP Warning: PHP Startup: Unable to load dynamic library 'gd' (tried: /usr/lib/php/modules/gd (/usr/lib/php/modules/gd: cannot open shared object file: No such file or directory), /usr/lib/php/modules/gd.so (/usr/lib/php/modules/gd.so: undefined symbol: zval_get_double_func)) in Unknown on line 0