PHP Compatibility check for PHP_CodeSniffer

This is a set of sniffs for PHP CodeSniffer that checks for PHP cross-version compatibility. It will allow you to analyse your code for compatibility with higher and lower versions of PHP.

• https://github.com/PHPCompatibility/PHPCompatibility
• https://www.sitepoint.com/quick-intro-phpcompatibility-standard-for-phpcs-are-you-php7-ready/