PHP 7.x+ Support?

I just ran the PHP Compatibility Checker plugin through my site and was surprised to see this plugin had 12 warnings attached to it with a check on 7.0

FOUND 12 ERRORS AFFECTING 12 LINES
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 372 | ERROR | Global variable '$HTTP_RAW_POST_DATA' is deprecated since PHP 5.6 and removed since PHP 7.0; Use php://input instead
 373 | ERROR | Global variable '$HTTP_RAW_POST_DATA' is deprecated since PHP 5.6 and removed since PHP 7.0; Use php://input instead
 378 | ERROR | Global variable '$HTTP_RAW_POST_DATA' is deprecated since PHP 5.6 and removed since PHP 7.0; Use php://input instead
 386 | ERROR | Global variable '$HTTP_RAW_POST_DATA' is deprecated since PHP 5.6 and removed since PHP 7.0; Use php://input instead
 648 | ERROR | Global variable '$HTTP_RAW_POST_DATA' is deprecated since PHP 5.6 and removed since PHP 7.0; Use php://input instead
 662 | ERROR | Global variable '$HTTP_RAW_POST_DATA' is deprecated since PHP 5.6 and removed since PHP 7.0; Use php://input instead
 663 | ERROR | Global variable '$HTTP_RAW_POST_DATA' is deprecated since PHP 5.6 and removed since PHP 7.0; Use php://input instead
 666 | ERROR | Global variable '$HTTP_RAW_POST_DATA' is deprecated since PHP 5.6 and removed since PHP 7.0; Use php://input instead
 736 | ERROR | Global variable '$HTTP_RAW_POST_DATA' is deprecated since PHP 5.6 and removed since PHP 7.0; Use php://input instead
 737 | ERROR | Global variable '$HTTP_RAW_POST_DATA' is deprecated since PHP 5.6 and removed since PHP 7.0; Use php://input instead
 738 | ERROR | Global variable '$HTTP_RAW_POST_DATA' is deprecated since PHP 5.6 and removed since PHP 7.0; Use php://input instead
 740 | ERROR | Global variable '$HTTP_RAW_POST_DATA' is deprecated since PHP 5.6 and removed since PHP 7.0; Use php://input instead