$ sudo apt-get update
$ sudo apt-get install php-getid3 

php-getid3 is installed in your system.

Make ensure the php-getid3 package were installed using the commands given below,

$ sudo dpkg-query -l | grep php-getid3 *

You will get with php-getid3 package name, version, architecture and description in a table

php-getid3 package basic information: