Does an article (post) id ever change?
So I’m working on a plugin for wordpress, and a novice at it as well. I need to use the ID of a wordpress post, or blog article rather, as a unique reference id, or lets say in database terms, a Unique or Primary key.
Does the ID ever change on a blog?
Extra background info..:
I’m using this function to get the id of a unique post:
Also, the URL of a blog post on my test site has a parameter with a number (ID number?):
But I’ve seen blogs where the title is included in the URL instead of the parameter p=87.
When I print out the function the_ID();, it returns the parameter number 87. Can I be certain that it doesn’t change and use it on external sites for linking purposes?