mzeis/MageSpawner — pull request #2 by nhp (2013-01-04 11:59:48+00:00)
Title: fix for 'PHP Extensions “0” must be loaded in 1.7.x and some installations

Bugreport was done here: http://www.magentocommerce.com/bug-tracking/issue?issue=13827

It occured for me today while trying to get an install done with your very nice script. The short sed-line fixes the problem.