function array_keylist_exists($keylist, $haystack){
 if(is_array($keylist)){
  foreach($keylist as $index => $key){
   if(!array_key_exists($key, $haystack)){
    echo "$key does not exist in $haystack, terminating array_keylist_exists()<br />\n";
    return false;
   }
  }
 } else {
  echo "Wrong datatype(".gettype($keylist).") for 'array_keylist_exists();' make it an array!<br />\n";
  return false;
 }
 return true;
}