I am a student in engineering school I take after a symfony project. The problem is that I would like to install bundles.
I tried this tutorial: http://www.siteduzero.com/informatique/tutoriels/developpez-votre-site-web-avec-le-framework-symfony2/installer-un-bundle-grace-a-composer-2
Here is the error I by send "php composer.phar update" :
Thank you for your advice and help,