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How to know currently installed PHP version

1. Create a php file in your web root directory,
    If you are using Linux then it will in /var/www directory
 
    Create a file using linux commands:
    cd /var/www
    nano phpinfo.php

 2. Write the following code

    <?php
     
        phpinfo();

     ?>

3. Then run this php script on the browser and have fun!!!
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