Step 1 :- Create new project like /var/www/html/staging/blog
Step 2:- create index.php 
Step 3:- Write <?php echo “Hello World”; ?> inside index.php
Step 4:- Check If you can access project via http://localhost/staging/blog. If you can see Hello World on your browser. Your are ready to create virtual domain
Step 5:- Add domain name in /etc/hosts file. e.g 127.0.0.1 blog.staging.local
Step 6: Open CLI Switch to sudo mode using sudo -i
Step 7:- Create copy using “cp /etc/apache2/sites-available/000-default.conf /etc/apache2/sites-available/blog-staging-local.conf”
Step 8:- Edit /etc/apache2/sites-available/blog-staging-local.conf

<VirtualHost *:80>
    
    ServerAdmin webmaster@localhost
    ServerName blog.staging.local
    DocumentRoot /var/www/html/staging/blog/public
    <Directory />
            Options FollowSymLinks
            Options Indexes FollowSymLinks MultiViews
            AllowOverride All
            require all granted
    </Directory>

    ErrorLog /var/www/html/staging/blog.error.log

    # Possible values include: debug, info, notice, warn, error, crit,
    # alert, emerg.
    LogLevel warn
  CustomLog /var/www/html/staging/blog.access.log combined   

</VirtualHost>

Step 9:- Make site avialable using “sudo a2ensite blog-staging-local”
Step 10:- Restart the apache using “service apache2 reload”

Note :- You should have sudo access to follow this tutorial