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The WordPress function wp_get_current_user() uses the global variable $current_user to get the get current logged-in user info.

What I would like to know is, how does WordPress retrieve the data from session cookie and store it in this global variable ($current_user).

Thank you for you help!!

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  • WordPress doesn't use session to store current user, it uses Cookies.
    – Mayeenul Islam
    Commented Dec 23, 2019 at 6:40
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    The cookie 'wordpress_logged_in_*' is used for this purpose right? If so, then how does wordpress get the current user info from this cookie.
    – Jonie Jacob
    Commented Dec 23, 2019 at 6:51
  • The source says all: _wp_get_current_user() and WP_User class
    – Mayeenul Islam
    Commented Dec 23, 2019 at 8:29
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    Well it's really wp_validate_logged_in_auth_cookie and wp_validate_auth_cookie, which takes the username and session token (amongst other things) from the cookie and then validates the session token against the user's session_token user meta.
    – Rup
    Commented Dec 24, 2019 at 1:30

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