What are some common mistakes made when trying to read cookies across different pages in PHP?

Common mistakes when trying to read cookies across different pages in PHP include not setting the cookie domain correctly, not setting the cookie path to root ("/"), and not using the same cookie name consistently. To solve this issue, make sure to set the cookie domain to the root domain, set the cookie path to "/", and use the same cookie name across all pages. 

// Set cookie on page 1
setcookie("myCookie", "cookieValue", time() + 3600, "/", "example.com");

// Read cookie on page 2
if(isset($_COOKIE['myCookie'])) {
    $cookieValue = $_COOKIE['myCookie'];
    echo $cookieValue;
} else {
    echo "Cookie not set";
}

Keywords

cookies PHP session domain path

Related Questions