Util/URL.php at master · eturino/Util · GitHub

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<?php

/**
 * url utils
 */
class EtuDev_Util_URL
{

    static public function get_page_url_without_server($querystring = true)
    {
        $url = '';
        if ($querystring) {
            $url .= $_SERVER["REQUEST_URI"];
        } else {
            $parts = parse_url($_SERVER["REQUEST_URI"]);
            if ($parts['path']) {
                $url .= $parts['path'];
            } else {
                $url .= $_SERVER['SCRIPT_NAME'];
            }
        }
        return $url;
    }

    static public function get_page_url($querystring = true, $servername_over_http_host = true)
    {
        $url = 'http';
        if (isset($_SERVER) && isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') {
            $url .= 's';
        }

        $url .= '://';

        $host = '';

        if (isset($_SERVER)) {
            if ($servername_over_http_host) {
                $host = $_SERVER['SERVER_NAME'] ? : $_SERVER['HTTP_HOST'];
            } else {
                $host = $_SERVER['HTTP_HOST'] ? : $_SERVER['SERVER_NAME'];
            }

            if (!EtuDev_Util_String::contains($host, ':') && isset($_SERVER['SERVER_PORT']) && trim($_SERVER['SERVER_PORT']) != '80') {
                $host .= ':' . trim($_SERVER['SERVER_PORT']);
            }
        }

        $url .= $host;

        if ($querystring) {
            $url .= $_SERVER["REQUEST_URI"];
        } else {
            $parts = parse_url($_SERVER["REQUEST_URI"]);
            if ($parts['path']) {
                $url .= $parts['path'];
            } else {
                $url .= $_SERVER['SCRIPT_NAME'];
            }
        }
        return $url;
    }

    static public function build_path_url($path = null, $parameters = array())
    {
        if (is_null($path)) {
            $path = self::get_page_url(false);
        }
        if (count($parameters) > 0) {
            $path .= '?';
            $path .= http_build_query($parameters);
        }
        return $path;
    }

    static public function get_ip_address()
    {
        if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
            return $_SERVER['HTTP_CLIENT_IP'];
        } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
            return $_SERVER['HTTP_X_FORWARDED_FOR'];
        } else {
            return $_SERVER['REMOTE_ADDR'];
        }
    }

    static public function change_url_with_query_params($url, $queryParamsToMerge)
    {
        if (!$queryParamsToMerge) {
            return $url;
        }
        $url_parts = parse_url($url);

        if (@$url_parts['query']) {
            $oldQP = array();
            parse_str($url_parts['query'], $oldQP);
            $queryParts = array_merge($oldQP, $queryParamsToMerge);
        } else {
            $queryParts = $queryParamsToMerge;
        }

        $new_url_parts = $url_parts;
        if ($queryParts) {
            $new_url_parts['query'] = http_build_query($queryParts);
        } else {
            unset($new_url_parts['query']);
        }

        return static::unparse_url($new_url_parts);
    }

    static public function unparse_url($parsed_url)
    {
        $scheme   = isset($parsed_url['scheme']) ? $parsed_url['scheme'] . '://' : '';
        $host     = isset($parsed_url['host']) ? $parsed_url['host'] : '';
        $port     = isset($parsed_url['port']) ? ':' . $parsed_url['port'] : '';
        $user     = isset($parsed_url['user']) ? $parsed_url['user'] : '';
        $pass     = isset($parsed_url['pass']) ? ':' . $parsed_url['pass'] : '';
        $pass     = ($user || $pass) ? "$pass@" : '';
        $path     = isset($parsed_url['path']) ? $parsed_url['path'] : '';
        $query    = isset($parsed_url['query']) ? '?' . $parsed_url['query'] : '';
        $fragment = isset($parsed_url['fragment']) ? '#' . $parsed_url['fragment'] : '';
        return "$scheme$user$pass$host$port$path$query$fragment";
    }

}