private function getParameterStrings(string $parameterString): array
    {
        $rawParameterStrings = explode(self::TYPE_PARAMETER_SEPARATOR, $parameterString);
        $parameterStrings = array();

        foreach ($rawParameterStrings as $rawParameterString) {
            if ($rawParameterString != '') {
                $parameterStrings[] = trim($rawParameterString);
            }
        }

        return $parameterStrings;
    }
private function getParameterStrings(string $parameterString): array
    {
        $rawParameterStrings = explode(self::TYPE_PARAMETER_SEPARATOR, $parameterString);
        $parameterStrings = array();

        foreach ($rawParameterStrings as $rawParameterString) {
            if ($rawParameterString != '') {
                $parameterStrings[] = trim($rawParameterString);
            }
        }

        return $parameterStrings;
    }
private function getParameterStrings ( string $ parameterString ) : array { $ rawParameterStrings = explode ( self :: TYPE_PARAMETER_SEPARATOR , $ parameterString ) ; $ parameterStrings = array ( ) ; foreach ( $ rawParameterStrings as $ rawParameterString ) { if ( $ rawParameterString != '' ) { $ parameterStrings [ ] = trim ( $ rawParameterString ) ; } } return $ parameterStrings ; }
Get collection of string representations of each parameter

@param string $parameterString

@return string[]
Get collection of string representations of each parameter