Other contributors have said "How do you edit php perl script?" is the same question as "How do you edit PHP and Perl scripts?" If you believe that these are not asking the same thing and should be answered differently, click here
php is a "dynamic" computer programming or more correctly scripting language designed to add functionality to web pages and interact with databases. It is popular as it is essentially a no cost...
To create a PHP script all you have to do is create a new file, then save the file as "filename.php". It must have a .php file extension. After that open the file and put in the PHP tags like shown....
If you are using WAMP server it shouldn't be a problem cause you just have to click and open the httpconf file in Apache folder using notepad. Making changes are not that difficult either