sanitize_comment_cookies

WordPress Version: 3.8

/**
 * Sanitizes the cookies sent to the user already.
 *
 * Will only do anything if the cookies have already been created for the user.
 * Mostly used after cookies had been sent to use elsewhere.
 *
 * @since 2.0.4
 */
function sanitize_comment_cookies()
{
    if (isset($_COOKIE['comment_author_' . COOKIEHASH])) {
        /**
         * Filter the comment author's name cookie before it is set.
         *
         * When this filter hook is evaluated in wp_filter_comment(),
         * the comment author's name string is passed.
         *
         * @since 1.5.0
         *
         * @param string $author_cookie The comment author name cookie.
         */
        $comment_author = apply_filters('pre_comment_author_name', $_COOKIE['comment_author_' . COOKIEHASH]);
        $comment_author = wp_unslash($comment_author);
        $comment_author = esc_attr($comment_author);
        $_COOKIE['comment_author_' . COOKIEHASH] = $comment_author;
    }
    if (isset($_COOKIE['comment_author_email_' . COOKIEHASH])) {
        /**
         * Filter the comment author's email cookie before it is set.
         *
         * When this filter hook is evaluated in wp_filter_comment(),
         * the comment author's email string is passed.
         *
         * @since 1.5.0
         *
         * @param string $author_email_cookie The comment author email cookie.
         */
        $comment_author_email = apply_filters('pre_comment_author_email', $_COOKIE['comment_author_email_' . COOKIEHASH]);
        $comment_author_email = wp_unslash($comment_author_email);
        $comment_author_email = esc_attr($comment_author_email);
        $_COOKIE['comment_author_email_' . COOKIEHASH] = $comment_author_email;
    }
    if (isset($_COOKIE['comment_author_url_' . COOKIEHASH])) {
        /**
         * Filter the comment author's URL cookie before it is set.
         *
         * When this filter hook is evaluated in wp_filter_comment(),
         * the comment author's URL string is passed.
         *
         * @since 1.5.0
         *
         * @param string $author_url_cookie The comment author URL cookie.
         */
        $comment_author_url = apply_filters('pre_comment_author_url', $_COOKIE['comment_author_url_' . COOKIEHASH]);
        $comment_author_url = wp_unslash($comment_author_url);
        $_COOKIE['comment_author_url_' . COOKIEHASH] = $comment_author_url;
    }
}