As of 2014 things have
changed improved a lot in the Symfony / Silex world, compared to 2011, when i first blogged about twig extensions in Silex.
Things got more easy, yay!
As Composer appeared, installation and autoloading is a breeze nowadays.
I presume here, that you have installed your Silex project via composer.
If so, you can install the twig extensions like this:
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