Php 7.0 files are not processed by apache



Hello, for small project I need php 7.0. I start php workspace and installed here php 7.0. php 7.0 seems to work, because if I type in concole

php -v

I got info about php 7, but when I run site and hello-world.php - I see original php-markup in browser. Could you give some advice how connect apache and php?