paymill/paymill-php — pull request #79 by rodgermd (2014-08-13 10:33:29+00:00)
Title: Force add source key to parameters

Add source key to parameters for case Transaction, create
https://github.com/paymill/paymill-php/blob/master/lib/Paymill/Request.php#L224
calling is_null to unexistant array key will raise an 'undefined index' notice