How do you allow users to dynamically create a web page within a web app? [closed]

Question

For example, when a user adds a question to a Q&A site, that question typically gets its own web page, and that web page was created on-the-fly. How can you do this with PHP? Could anyone point me to any resources? Thanks.

Answer 1

By "that question typically gets its own web page" you are referring to "gets its own url". For example, this one is How do you allow users to dynamically create a web page within a web app?.

It's really just a trick. Very simplified:

• When you submitted this question, it got a unique identifier 3723813 and was inserted into a database.
• There is a single controller script that deals with questions, say https://stackoverflow.com/questions.php
• When someone tries to open this page, the server knows to send it to questions.php by using a module such as mod_rewrite for apache.
• Then, questions.php looks at the url parameters, takes the unique id for this question, 3723813, and loads up its information from the database in order to display it.
• The rest of the url is just cosmetic and just there so that we can right away know what question it is before opening the page.