Why does it happen, where did the backlight go?

Question

phpstorm

Screenshot I create a php file, PostController.php . But inside it the code is not highlighted as in other controllers, why? through My computer came to this file, all the rules here is its name PostController.php. How to solve this problem?

Answer 1

stackoverflow.com/questions/14614223/phpstorm-rend...

Answer 2

The file starts with <? or <?php ?

Answer 3

File: Invalidate caches