PHP delete cookie that starts with wp_postpass_

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I need to write some custom code for a WordPress function, and I need to be able to delete any cookies that start with wp-postpass_. I know this can be done with jQuery but I’m unsure of how to approach it in PHP.

I have tried Googling and searching on here but I haven’t been able to find anything that matches what I’m trying to do.

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Thank you in advance,
Andy

EDIT:
Sorry, I should have mentioned that WordPress appends a random string onto the end of wp-postpass_ hence why I need to find any cookies that start with wp-postpass_. Apologies, early morning.

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2 comments

  1. So iterate through all cookies and check if there contain wp_postpass_ and then remove the cookie.

    foreach($_COOKIE as $cookieKey => $cookieValue) {
    if(strpos($cookieKey,'wp-postpass_') === 0) {
        // remove the cookie
        setcookie($cookieKey, null, -1);
        unset($_COOKIE[$cookieKey]);
    }
}

  2. If you have access to the $_COOKIE superglobal just do

    $past = time() - 86400;
foreach($_COOKIE as $name => $value) {
    if(strpos($name, 'wp-postpass_') === 0) {
        setcookie($name, '', $past);
        unset($_COOKIE[$name]);
    }
}

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