Run php packages.php
to generate the packages.json file.
To require SimpleSAMLphp as a dependency using GitHub as the repository, add the following lines to your project's composer.json file:
{ "repositories": [ { "type": "composer", "url": "https://raw.github.com/cpliakas/simplesamlphp-composer/master" } ], "require": { "simplesamlphp/simplesamlphp": "1.12.*" } }