I have Windows 10 with WAMP server (Apache 2.4.9, PHP 5.5.29 VC11 x64, e MySQL). All works fine, but now I will use curl extension.
I go into C:\\wamp\\bin\\ph
C:\\wamp\\bin\\ph
Make sure that in php.ini, extension_dir = points to the correct path if it's uncommented.
php.ini
extension_dir =