in the site i am developing i use the exif_imagetype() function to validate images, on my host it works perfect, and on the older wamp setup, i upgraded to wamp server 2 and edited php.ini like:
Nope, it's wrong, and that's why I suggested you to open the correct file through wamp tray icon which should be in wamp/bin/apache/apache2.2.6/bin ;-)