Uri::__construct( string $uri = '' )

38    public function __construct(string $uri = '')39    {40        if ('' !== $uri) {41            if (\false === $parts = \parse_url($uri)) {42                throw new \InvalidArgumentException(\sprintf('Unable to parse URI: "%s"', $uri));43            }44            // Apply parse_url parts to a URI.45            $this->scheme = isset($parts['scheme']) ? \strtr($parts['scheme'], 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz') : '';46            $this->userInfo = $parts['user'] ?? '';47            $this->host = isset($parts['host']) ? \strtr($parts['host'], 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz') : '';48            $this->port = isset($parts['port']) ? $this->filterPort($parts['port']) : null;49            $this->path = isset($parts['path']) ? $this->filterPath($parts['path']) : '';50            $this->query = isset($parts['query']) ? $this->filterQueryAndFragment($parts['query']) : '';51            $this->fragment = isset($parts['fragment']) ? $this->filterQueryAndFragment($parts['fragment']) : '';52            if (isset($parts['pass'])) {53                $this->userInfo .= ':' . $parts['pass'];54            }55        }56    }