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Editorial Team
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Asked: 2026-06-07T03:09:33+00:00

Possible Duplicate: Cookie VS Session PHP: How do Cookies and Sessions work? I’m trying

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Possible Duplicate:
Cookie VS Session
PHP: How do Cookies and Sessions work?

I’m trying to learn PHP. I have a project website where numbers are constantly being generated, and changed and stored in javascript variables. There is very little php involved except in storing these variables to a database when the user hits the “store to database” button. Today I was using the site, navigated to another website and went back and all my data was gone as i had not stored it to the database first. I would like to save that data so it repopulates if I leave the page. what would be the best method of doing this? php sessions, cookies, or javascript cookies? please advise, thanks in advance!

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  1. Editorial Team

    php sessions, cookies, or javascript cookies?

    There is either a session or cookie so there are two things not three.

    Now a session is also a cookie but is saved on server unlike simple JS cookie which is saved in user’s machine.

    I would like to save that data so it repopulates if I leave the page

    If it is sensitive information, always use database to store it and if it is not sensitive data:

    • Use cookies or localStorage but it can be deleted by user
    • Use session which can’t be deleted by a user but will expire based on php.ini settings

    On the other hand, to save it permanently, use the database instead.

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