Resource is a reserved keyword in php 7

[mayankamencherla]

Resource has a soft reservation in php7 - which implies that the keyword is highly discouraged from being used as a class name. Our SDK, however, uses this keyword as a class name.

http://php.net/manual/en/reserved.other-reserved-words.php#reserved.other-reserved-words

[ankitdas13]

the issue has been resolved in #330
closing this ticket for now .