geocoder-php/Geocoder — pull request #266 by nicolas-grekas (2013-10-04 08:50:52+00:00)
Title: replace extension_exists() by function_exists() for mbstring

Alternative implementations exists for mbstring features,
this patch uses function_exists() instead of extension_exists() to check for "feature" instead of "implementation".
See https://packagist.org/packages/patchwork/utf8