php5-ps software package provides ps module for PHP 5, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install php5-ps
php5-ps is installed in your system.
Make ensure the php5-ps package were installed using the commands given below,
$ sudo dpkg-query -l | grep php5-ps *
You will get with php5-ps package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Web Software |
| Package | php5-ps |
| Version | 1.3.7-1ubuntu1 |
| Description | ps module for PHP 5 |
| Sub Section | Web |