دانلود index.php به جای اجرا

[T.Toosi]

سلام، داخل htaccess مقدار زیر را ندارید ؟

AddType application/x-httpd-php .php

If you log into WHM, then navigate to "Configure PHP and suEXEC", check to see if your handler says "none".
If it does, set it to a handler appropriate for your server's needs.