Tell about SYMFONY__TEMPLATING__HELPER__CODE__FILE_LINK_FORMAT

Author: nicolas-grekas

reference/configuration/framework.rst

@@ -261,8 +261,10 @@ you use PHPstorm on the Mac OS platform, you will do something like:
 
 Of course, since every developer uses a different IDE, it's better to set
 this on a system level. This can be done by setting the ``xdebug.file_link_format``
-in the ``php.ini`` configuration to the url string. If this configuration
-value is set, then the ``ide`` option will be ignored.
+in the ``php.ini`` configuration to the url string.
+An other way if you don't use Xdebug is to set this url string in the
+``SYMFONY__TEMPLATING__HELPER__CODE__FILE_LINK_FORMAT`` environement variable.
+If any of these configurations values are set, then the ``ide`` option will be ignored.
 
 .. _reference-framework-test: