use php 7.0 old version only for xampp code example

Example 1: install multiple php versions windows xampp

<VirtualHost localhost56:80>
    DocumentRoot "C:\xampp\htdocs56"
    ServerName localhost56
    <Directory "C:\xampp\htdocs56">
        Require all granted    
    </Directory>
    <FilesMatch "\.php$">
        SetHandler application/x-httpd-php56-cgi
    </FilesMatch>
</VirtualHost>

Example 2: install multiple php versions windows xampp

SetEnv PHPRC "\\path\\to\\xampp\\php"