public function getIsAllKeysValid(array $data)
    {
        $keys = array_keys($data);
        foreach($keys as $key)
        {
            if(!$this->getIsValidKey($key))
            {
                return false;
            }
        }
        return true;
    }
public function getIsAllKeysValid(array $data)
    {
        $keys = array_keys($data);
        foreach($keys as $key)
        {
            if(!$this->getIsValidKey($key))
            {
                return false;
            }
        }
        return true;
    }
public function getIsAllKeysValid ( array $ data ) { $ keys = array_keys ( $ data ) ; foreach ( $ keys as $ key ) { if ( ! $ this -> getIsValidKey ( $ key ) ) { return false ; } } return true ; }
Validate all field keys
@param array $data
@return boolean
Validate all field keys