Persistence in PHP with Doctrine ORM

Installing Composer

As with most modern PHP libraries, Doctrine is available through Composer, a powerful dependency manager. A PEAR channel is also available.

Note

For more information on Composer and Pear packages, please refer to the respective links as follows: http://getcomposer.org and http://pear.doctrine-project.org

The following steps should be performed to install Composer:

1. The first step to install Doctrine ORM is to grab a copy of the latest Composer version.
2. Open your preferred terminal, go to the blog/ directory (the root of our project), and type the following command to install Composer:

     curl -sS https://getcomposer.org/installer | php
   

   A new file called composer.phar has been downloaded in the directory. This is a self-contained archive ...