检查是否存在WordPress密码保护cookie

Question

With WordPress, if you're using password protected pages, when the user uses a successful password, a cookie is generated looking something like this:

wp-postpass_299da1fd9cb967a93782c5397fa3a35e

Is there anyway in PHP to do a check if this cookie exists?

Even just check if a cookie exists which starts with wp-postpass_?

Contents of $_COOKIE when I run var_dump($_COOKIE):

array(9) {
    ["wordpress_test_cookie"] => string(15)
    "WP Cookie check" 
    ["wp-postpass_299da1fd9cb967a93782c5397fa3a35e"] => string(34)
    "$P$BXtsZ0i1qom3bqiFk4b9GeG8l9dFVG." 
}

Answer 1

if(isset($_COOKIE)){
    foreach($_COOKIE as $key=>$val){
        if(strpos($key,'wp-postpass_') === false) {
        //not found
        }else{
        //found
        }
    }
}