Sprockets-PHP, also
Merge pull request #36 from Nami-Doc/patch-1

Sprockets-PHP, also
fix argument var name typed wrong
Merge pull request #38 from scil/master

fix a wrong typed var name
enabled php 5.5 testing
added more examples
Update example-php-eval.php
Update README.markdown
Fixed parsing of string interpolation
Merge pull request #44 from hason/interpolation

Fixed parsing of string interpolation