php5-intl software package provides internationalisation module for php5, 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-intl
php5-intl is installed in your system.
Make ensure the php5-intl package were installed using the commands given below,
$ sudo dpkg-query -l | grep php5-intl *
You will get with php5-intl package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | PHP |
| Package | php5-intl |
| Version | 5.5.9+dfsg-1ubuntu4.20 [amd64, |
| Description | internationalisation module for php5 |
| Sub Section | PHP |