protected function forceStringValues(array $values)
    {
        foreach ($values as $key => $value) {
            $values[$key] = (string) $value;
        }

        return $values;
    }
protected function forceStringValues(array $values)
    {
        foreach ($values as $key => $value) {
            $values[$key] = (string) $value;
        }

        return $values;
    }
protected function forceStringValues ( array $ values ) { foreach ( $ values as $ key => $ value ) { $ values [ $ key ] = ( string ) $ value ; } return $ values ; }
Force value with string type.

@param array $values

@return string[]
Force value with string type .