My plugin requires me to save query data for some time. The data isn't big as such; just a couple of search parameters entered by the user so that I can use them across pagination.
I've figured out following ways to do this:
session_start()either in wp_config OR hooking it up to 'init' and then storing my data in
$_SESSION. Then destroying the session when user logs out
wp_cache_set; which will store the data in the database; but with expiration time. Of course, I can have my code delete the transient to avoid bloat in the database.
Question: Are the transients shared by all the users visiting a site? So let's say user1 sets transient data; will it be available to user2?
$_SESSION; but I'm wondering if there'd be any security issues with this.
Which approach do you suggest? If there's any other more efficient approach - I'd like to know about it as well.
Thank you in advance!