Is it possible to read the validity period of a cookie in PHP?

Yes, it is possible to read the validity period of a cookie in PHP by accessing the "expires" attribute of the cookie. This attribute contains the expiration date and time of the cookie. To read the validity period of a cookie, you can use the $_COOKIE superglobal array in PHP to access the value of the "expires" attribute. 

if(isset($_COOKIE['cookie_name'])) {
    $validity_period = $_COOKIE['cookie_name'];
    echo "The validity period of the cookie is: " . $validity_period;
} else {
    echo "Cookie not set.";
}

Keywords

PHP cookie validity period expiration date and time.

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