c:/xampp/apache/conf/extra/httpd-xammp
Открыть httpd-xammp
<FilesMatch "\.php$">
SetHandler application/x-httpd-php
</FilesMatch>
<FilesMatch "\.phps$">
SetHandler application/x-httpd-php-source
</FilesMatch>
<FilesMatch "\.php$|\.php5$|\.php4$|\.php3$|\.phtml$|\.phpt$">
<FilesMatch "\.php$|\.php5$|\.php4$|\.php3$|\.phtml$|\.phpt$">
SetHandler application/x-httpd-php
</FilesMatch>
<FilesMatch "\.phps$">
SetHandler application/x-httpd-php-source
</FilesMatch>
Это сработало для меня.
Удачи ..