$ sudo apt-get update
$ sudo apt-get install php-irods-prods 

php-irods-prods is installed in your system.

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

$ sudo dpkg-query -l | grep php-irods-prods *

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

php-irods-prods package basic information: