src/AbstractMessage.php
final public function isInMap($fieldName, $key)
    {
        if (empty($this->data[$fieldName]) || !is_array($this->data[$fieldName]) || !is_string($key)) {
            return false;
        }
        return isset($this->data[$fieldName][$key]);
    }
final public function isInMap($fieldName, $key)
    {
        if (empty($this->data[$fieldName]) || !is_array($this->data[$fieldName]) || !is_string($key)) {
            return false;
        }
        return isset($this->data[$fieldName][$key]);
    }
final public function isInMap ( $ fieldName , $ key ) { if ( empty ( $ this -> data [ $ fieldName ] ) || ! is_array ( $ this -> data [ $ fieldName ] ) || ! is_string ( $ key ) ) { return false ; } return isset ( $ this -> data [ $ fieldName ] [ $ key ] ) ; }
{@inheritdoc}
{