Optional: Option to add alias, edit httpd.conf, add the following to somewhere under <IfModule alias_module>
(shut down apache)

    ########################################
    Alias /my_php c:/temp/my_php

    <Directory "c:/temp/my_php">
    Options +Includes
    Options Indexes FollowSymLinks  
    ##enable directory listing, not a good idea 
    Allow from all
    Require all granted
    </Directory>
    ########################################

(start apache)