Petit soucis avec composer pour recuperer BlogMVC / CakePHP

Bonjour,
J'ai installé pear et rien a changé.
Une idée ?

Merci

[code]Loading composer repositories with package information
Initializing PEAR repository http://pear.cakephp.org
Installing dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.

Problem 1

• The requested package pear-cakephp/cakephp could not be found in any version, there may be a typo in the package name.[/code]