facebook/php-webdriver — pull request #22 by tszming (2012-01-19 04:50:05+00:00)
Title: Fixed remote's NullPointerException by adding 'Accept: application/json' in the request header

Fix for this issue: https://github.com/facebook/php-webdriver/issues/9#issuecomment-3381300

Related: http://code.google.com/p/selenium/issues/detail?id=2091