PMF_Link::renderNavigationLink() - Code Metrics - Inspection of "Notes on installing behind a proxy" - thorsten/phpMyFAQ - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#1192)

unknown

created 2016-06-30 02:04 UTC

PMF_Link::renderNavigationLink() A

↳ Parent: PMF_Link

Complexity

Conditions	2
Paths	1

Size

Total Lines	9
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	2
eloc	6
nc	1
nop	3
dl	0
loc	9
rs	9.6666
c	0
b	0
f	0

<?php
/**
 * Link management - Functions and Classes
 *
 * PHP Version 5.4
 *
 * This Source Code Form is subject to the terms of the Mozilla Public License,
 * v. 2.0. If a copy of the MPL was not distributed with this file, You can
 * obtain one at http://mozilla.org/MPL/2.0/.
 *
 * @category  phpMyFAQ
 * @package   PMF_Link  
 * @author    Matteo Scaramuccia <[email protected]>
 * @author    Thorsten Rinne <[email protected]>
 * @copyright 2005-2014 phpMyFAQ Team
 * @license   http://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0
 * @link      http://www.phpmyfaq.de
 * @since     2005-11-02
 */

if (!defined('IS_VALID_PHPMYFAQ')) {
    exit();
}

/**
 * PMF_Link Class
 *
 * This class wrap the needs for managing an HTML anchor
 * taking into account also the HTML anchor creation
 * with specific handling for mod_rewrite PMF native support
 *
 * @category  phpMyFAQ
 * @package   PMF_Link  
 * @author    Matteo Scaramuccia <[email protected]>
 * @author    Thorsten Rinne <[email protected]>
 * @copyright 2005-2014 phpMyFAQ Team
 * @license   http://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0
 * @link      http://www.phpmyfaq.de
 * @since     2005-11-02
 */
class PMF_Link
{
    /**
     * class constants
     *
     */
    const PMF_LINK_AMPERSAND = '&amp;';
    const PMF_LINK_CATEGORY = 'category/';
    const PMF_LINK_CONTENT = 'content/';
    const PMF_LINK_EQUAL = '=';
    const PMF_LINK_FRAGMENT_SEPARATOR = '#';
    const PMF_LINK_HTML_MINUS = '-';
    const PMF_LINK_HTML_UNDERSCORE = '_';
    const PMF_LINK_HTML_SLASH = '/';
    const PMF_LINK_HTML_TARGET_BLANK = '_blank';
    const PMF_LINK_HTML_TARGET_PARENT = '_parent';
    const PMF_LINK_HTML_TARGET_SELF = '_self';
    const PMF_LINK_HTML_TARGET_TOP = '_top';
    const PMF_LINK_NEWS = 'news/';
    const PMF_LINK_SITEMAP = 'sitemap/';
    const PMF_LINK_SLASH = '/';
    const PMF_LINK_SEARCHPART_SEPARATOR = '?';
    const PMF_LINK_TAGS = 'tags/';
    
    const PMF_LINK_INDEX_ADMIN = '/admin/index.php';
    const PMF_LINK_INDEX_HOME = '/index.php';
    
    const PMF_LINK_GET_ACTION = 'action';
    const PMF_LINK_GET_ARTLANG = 'artlang';
    const PMF_LINK_GET_CATEGORY = 'cat';
    const PMF_LINK_GET_HIGHLIGHT = 'highlight';
    const PMF_LINK_GET_ID = 'id';
    const PMF_LINK_GET_LANG = 'lang';
    const PMF_LINK_GET_LETTER = 'letter';
    const PMF_LINK_GET_NEWS_ID = 'newsid';
    const PMF_LINK_GET_NEWS_LANG = 'newslang';
    const PMF_LINK_GET_PAGE = 'seite';
    const PMF_LINK_GET_SIDS = 'SIDS';
    const PMF_LINK_GET_TAGGING_ID = 'tagging_id';
    const PMF_LINK_GET_LANGS = 'langs';
    
    const PMF_LINK_GET_ACTION_ADD = 'add';
    const PMF_LINK_GET_ACTION_ARTIKEL = 'artikel';
    const PMF_LINK_GET_ACTION_ASK = 'ask';
    const PMF_LINK_GET_ACTION_CONTACT = 'contact';
    const PMF_LINK_GET_ACTION_GLOSSARY = 'glossary';
    const PMF_LINK_GET_ACTION_HELP = 'help';
    const PMF_LINK_GET_ACTION_LOGIN = 'login';
    const PMF_LINK_GET_ACTION_NEWS = 'news';
    const PMF_LINK_GET_ACTION_OPEN = 'open';
    const PMF_LINK_GET_ACTION_PASSWORD = 'password';
    const PMF_LINK_GET_ACTION_REGISTER = 'register';
    const PMF_LINK_GET_ACTION_SEARCH = 'search';
    const PMF_LINK_GET_ACTION_SITEMAP = 'sitemap';
    const PMF_LINK_GET_ACTION_SHOW = 'show';
    
    const PMF_LINK_HTML_CATEGORY = 'category';
    const PMF_LINK_HTML_EXTENSION = '.html';
    const PMF_LINK_HTML_SITEMAP = 'sitemap';
    
    const PMF_LINK_HTML_ADDCONTENT = 'addcontent.html';
    const PMF_LINK_HTML_ASK = 'ask.html';
    const PMF_LINK_HTML_CONTACT = 'contact.html';
    const PMF_LINK_HTML_GLOSSARY = 'glossary.html';
    const PMF_LINK_HTML_HELP = 'help.html';
    const PMF_LINK_HTML_LOGIN = 'login.html';
    const PMF_LINK_HTML_OPEN = 'open.html';
    const PMF_LINK_HTML_PASSWORD = 'password.html';
    const PMF_LINK_HTML_REGISTER = 'register.html';
    const PMF_LINK_HTML_SEARCH = 'search.html';
    const PMF_LINK_HTML_SHOWCAT = 'showcat.html';

    /**
     * URL
     *
     * @var string
     */
    public $url = '';
    
    /**
     * CSS class
     *
     * @var string
     */
    public $class = '';
    
    /**
     * Linktext
     *
     * @var string
     */
    public $text = '';
    
    /**
     * Tooltip
     *
     * @var string
     */
    public $tooltip = '';
    
    /**
     * Target
     *
     * @var string
     */
    public $target = '';
    
    /**
     * Name selector
     *
     * @var string
     */
    public $name = '';
    
    /**
     * property specific to the SEO/SEF URLs
     *
     * @var string
     */
    public $itemTitle = '';

    /**
     * Item property for HTML5 microdata
     *
     * @var string
     */
    protected $itemprop = '';

    /**
     * rel property
     *
     * @var string
     */
    protected $rel = '';

    /**
     * id selector
     *
     * @var string
     */
    public $id = '';

    /**
     * @var PMF_Configuration
     */
    private $_config = null;

    /**
     * Constructor
     *
     * @param string            $url    URL
     * @param PMF_Configuration $config
     *
     * @return PMF_Link
     */
    public function __construct($url, PMF_Configuration $config)
    {
        $this->url     = $url;
        $this->_config = $config;
    }

    /**
     * Checks if webserver is an IIS Server
     *
     * @return boolean
     */
    public static function isIISServer()
    {
        return (isset($_SERVER['ALL_HTTP']) || isset($_SERVER['COMPUTERNAME']) || isset($_SERVER['APP_POOL_ID']));
    }

    /**
     * Checks if the the current URL is the main index.php file
     *
     * @return boolean
     */
    protected function isHomeIndex()
    {
        if (!$this->isSystemLink()) {
            return false;
        }

        return !(false === strpos($this->url, self::PMF_LINK_INDEX_HOME));
    }

    /**
     * Checks if URL is an internal reference
     *
     * @return boolean
     */
    protected function isInternalReference()
    {
        if ($this->isRelativeSystemLink()) {
            return true;
        }
        if (false === strpos($this->url, '#')) {
            return false;
        }

        return (strpos($this->url, '#') == 0);
    }

    /**
     * Checks if URL is a relative system link
     *
     * @return boolean
     */
    protected function isRelativeSystemLink()
    {
        $slashIdx = strpos($this->url, self::PMF_LINK_SLASH);
        if (false === $slashIdx) {
            return false;
        }

        return ($slashIdx == 0);
    }

    /**
     * Checks if URL is a system link
     *
     * @return boolean
     */
    protected function isSystemLink()
    {
        // a. Is the url relative, starting with '/'?
        // b. Is the url related to the current running PMF system?
        if ($this->isRelativeSystemLink()) {
            return true;
        }
        // $_SERVER['HTTP_HOST'] is the name of the website or virtual host name
        return !(false === strpos($this->url, $_SERVER['HTTP_HOST']));
    }

    /**
     * @param string $itemprop Item property
     *
     * @return void
     */
    public function setItemProperty($itemprop)
    {
        $this->itemprop = $itemprop;
    }

    /**
     * @param string $rel rel property
     *
     * @return void
     */
    public function setRelation($rel)
    {
        $this->rel = $rel;
    }

    /**
     * Checks if URL contains a scheme
     *
     * @return boolean
     */
    protected function hasScheme()
    {
        $parsed = parse_url($this->url);

        return (!empty($parsed['scheme']));
    }

    /**
     * Returns a search engine optimized title
     *
     * @param string $title
     *
     * @return string
     */
    public function getSEOItemTitle($title = '')
    {
        if ('' === $title) {
            $title = $this->itemTitle;
        }

        $itemTitle = trim($title);
        // Lower the case (aesthetic)
        $itemTitle = PMF_String::strtolower($itemTitle);
        // Use '_' for some other characters for:
        // 1. avoiding regexp match break;
        // 2. improving the reading.
        $itemTitle = str_replace(array('-', "'", '/', '&#39'), '_', $itemTitle);
        // 1. Remove any CR LF sequence
        // 2. Use a '-' for the words separation
        $itemTitle = PMF_String::preg_replace('/\s/m', '-', $itemTitle);
        // Hack: remove some chars for having a better readable title
        $itemTitle = str_replace(
            array('+', ',', ';', ':', '.', '?', '!', '"', '(', ')', '[', ']', '{', '}', '<', '>'),
            '',
            $itemTitle
        );
        // Hack: move some chars to "similar" but plain ASCII chars
        $itemTitle = str_replace(
            array(
                'à', 'è', 'é', 'ì', 'ò', 'ù', 'ä', 'ö', 'ü', 'ß', 'Ä', 'Ö', 'Ü',
                'č', 'ę', 'ė', 'į', 'š', 'ų', 'ū', 'ž'
                ),
            array(
                'a', 'e', 'e', 'i', 'o', 'u', 'ae', 'oe', 'ue', 'ss', 'Ae', 'Oe', 'Ue',
                'c', 'e', 'e', 'i', 's', 'u', 'u', 'z'
            ),
            $itemTitle
        );
        // Clean up
        $itemTitle = PMF_String::preg_replace('/-[\-]+/m', '-', $itemTitle);

        return rawurlencode($itemTitle);
    }

    /**
     * Returns the HTTP GET parameters
     *
     * @return array
     */
    protected function getHttpGetParameters()
    {
        $query      = $this->getQuery();
        $parameters = [];

        if (!empty($query)) {
            if (isset($query['fragment']) ) {
                $parameters[self::PMF_LINK_FRAGMENT_SEPARATOR] = urldecode($query['fragment']);
            }
            $params = explode(self::PMF_LINK_AMPERSAND, $query['main']);
            foreach ($params as $param) {
                if (!empty($param)) {
                    $couple           = explode(self::PMF_LINK_EQUAL, $param);
                    list($key, $val)  = $couple;
                    $parameters[$key] = urldecode($val);
                }
            }
        }

        return $parameters;
    }

    /**
     * Returns the Query of an URL
     *
     * @return string
     */
    protected function getQuery()
    {
        $query = '';
        
        if (!empty($this->url)) {
            $parsed = parse_url($this->url);

            if (isset($parsed['query'])) {
                $query['main'] = filter_var($parsed['query'], FILTER_SANITIZE_STRIPPED); 
            }
            if (isset($parsed['fragment'])) {
                $query['fragment'] = filter_var($parsed['fragment'], FILTER_SANITIZE_STRIPPED);
            }
        }

        return $query;
    }

    /**
     * Returns the default scheme
     *
     * @return string
     */
    protected function getDefaultScheme()
    {
        $scheme = 'http://';
        if ($this->isSystemLink()) {
            $scheme = $this->getSystemScheme();
        }

        return $scheme;
    }

    /**
     * Returns the system scheme, http or https
     *
     * @return string
     */
    public function getSystemScheme()
    {
        if ($this->_config->get('security.useSslOnly')) {
            return 'https://';
        }
        
        $scheme = 'http' . (((!PMF_Link::isIISServer()) && isset($_SERVER['HTTPS'])) || 
                           ((PMF_Link::isIISServer()) && ('on' == strtolower($_SERVER['HTTPS']))) ? 's' : '') . '://';

        return $scheme;
    }

    /**
     * Returns the relative URI
     *
     * @param string $path
     *
     * @return string
     */
    public static function getSystemRelativeUri($path = null)
    {
        if (isset($path)) {
            return str_replace($path, '', $_SERVER['SCRIPT_NAME']);
        }
        
        return str_replace('/inc/Link.php', '', $_SERVER['SCRIPT_NAME']);
    }

    /**
     * Returns the system URI
     *
     * @param string $path
     *
     * @return string
     */
    public function getSystemUri($path = null)
    {
        // $_SERVER['HTTP_HOST'] is the name of the website or virtual host name (HTTP/1.1)
        // Precisely, it contains what the user has written in the Host request-header, see below.
        // RFC 2616: The Host request-header field specifies the Internet host and port number of the resource
        //           being requested, as obtained from the original URI given by the user or referring resource

        // Remove any ref to standard ports 80 and 443.
        $pattern[0] = '/:80$/';   // HTTP: port 80
        $pattern[1] = '/:443$/'; // HTTPS: port 443
        $sysUri = $this->getSystemScheme() . preg_replace($pattern, '', $_SERVER['HTTP_HOST']);

        return $sysUri . PMF_link::getSystemRelativeUri($path);
    }

    /**
     * Builds a HTML anchor
     *
     * @return string
     */
    public function toHtmlAnchor()
    {
        // Sanitize the provided url
        $url = $this->toString();
        // Prepare HTML anchor element
        $htmlAnchor = '<a';
        if (!empty($this->class)) {
            $htmlAnchor .= sprintf(' class="%s"', $this->class);
        }
        if (!empty($this->id)) {
            $htmlAnchor .= ' id="'.$this->id.'"';
        }
        if (!empty($this->tooltip)) {
            $htmlAnchor .= sprintf(' title="%s"', addslashes($this->tooltip));
        }
        if (!empty($this->name)) {
                $htmlAnchor .= sprintf(' name="%s"', $this->name);
        } else {
            if (!empty($this->url)) {
                $htmlAnchor .= sprintf(' href="%s"', $url);
            }
            if (!empty($this->target)) {
                $htmlAnchor .= sprintf(' target="%s"', $this->target);
            }
        }
        if (!empty($this->itemprop)) {
            $htmlAnchor .= sprintf(' itemprop="%s"', $this->itemprop);
        }
        if (!empty($this->rel)) {
            $htmlAnchor .= sprintf(' rel="%s"', $this->rel);
        }
        $htmlAnchor .= '>';
        if (('0' == $this->text) || (!empty($this->text))) {
            $htmlAnchor .= $this->text;
        } else {
            if (!empty($this->name)) {
                $htmlAnchor .= $this->name;
            } else {
                $htmlAnchor .= $url;
            }
        }
        $htmlAnchor .= '</a>';

        return $htmlAnchor;
    }

    /**
     * Appends the session id
     *
     * @param string  $url  URL
     * @param integer $sids Session Id
     *
     * @return string
     */
    protected function appendSids($url, $sids)
    {
        $separator = (false === strpos($url, self::PMF_LINK_SEARCHPART_SEPARATOR)) 
                     ? 
                     self::PMF_LINK_SEARCHPART_SEPARATOR 
                     : 
                     self::PMF_LINK_AMPERSAND;
        return $url . $separator . self::PMF_LINK_GET_SIDS . self::PMF_LINK_EQUAL . $sids;
    }
    
    /**
     * Rewrites a URL string
     *
     * @param boolean $forceNoModrewriteSupport Force no rewrite support
     *
     * @return string
     */
    public function toString($forceNoModrewriteSupport = false)
    {
        $url = $this->toUri();
        // Check mod_rewrite support and 'rewrite' the passed (system) uri
        // according to the rewrite rules written in .htaccess
        if ((!$forceNoModrewriteSupport) && ($this->_config->get('main.enableRewriteRules'))) {

            if ($this->isHomeIndex()) {

                $getParams = $this->getHttpGetParameters();
                if (isset($getParams[self::PMF_LINK_GET_ACTION])) {
                    // Get the part of the url 'till the '/' just before the pattern
                    $url = substr($url, 0, strpos($url, self::PMF_LINK_INDEX_HOME) + 1);
                    // Build the Url according to .htaccess rules
                    switch ($getParams[self::PMF_LINK_GET_ACTION]) {
                        
                        case self::PMF_LINK_GET_ACTION_ADD:
                            $url .= self::PMF_LINK_HTML_ADDCONTENT;
                            break;
                            
                        case self::PMF_LINK_GET_ACTION_ARTIKEL:
                            $url .= self::PMF_LINK_CONTENT . 
                                    $getParams[self::PMF_LINK_GET_CATEGORY] . 
                                    self::PMF_LINK_HTML_SLASH . 
                                    $getParams[self::PMF_LINK_GET_ID] . 
                                    self::PMF_LINK_HTML_SLASH . 
                                    $getParams[self::PMF_LINK_GET_ARTLANG] . 
                                    self::PMF_LINK_SLASH . 
                                    $this->getSEOItemTitle() . 
                                    self::PMF_LINK_HTML_EXTENSION;
                            if (isset($getParams[self::PMF_LINK_GET_HIGHLIGHT])) {
                                $url .= self::PMF_LINK_SEARCHPART_SEPARATOR . 
                                        self::PMF_LINK_GET_HIGHLIGHT . '=' . 
                                        $getParams[self::PMF_LINK_GET_HIGHLIGHT];
                            }
                            if (isset($getParams[self::PMF_LINK_FRAGMENT_SEPARATOR])) {
                                $url .= self::PMF_LINK_FRAGMENT_SEPARATOR . 
                                        $getParams[self::PMF_LINK_FRAGMENT_SEPARATOR];
                            }
                            break;
                            
                        case self::PMF_LINK_GET_ACTION_ASK:
                            $url .= self::PMF_LINK_HTML_ASK;
                            break;
                            
                        case self::PMF_LINK_GET_ACTION_CONTACT:
                            $url .= self::PMF_LINK_HTML_CONTACT;
                            break;

                        case self::PMF_LINK_GET_ACTION_GLOSSARY:
                            $url .= self::PMF_LINK_HTML_GLOSSARY;
                            break;

                        case self::PMF_LINK_GET_ACTION_HELP:
                            $url .= self::PMF_LINK_HTML_HELP;
                            break;
                            
                        case self::PMF_LINK_GET_ACTION_OPEN:
                            $url .= self::PMF_LINK_HTML_OPEN;
                            break;
                            
                        case self::PMF_LINK_GET_ACTION_SEARCH:
                            if (!isset($getParams[self::PMF_LINK_GET_ACTION_SEARCH]) && 
                                isset($getParams[self::PMF_LINK_GET_TAGGING_ID])) {
                                $url .= self::PMF_LINK_TAGS.$getParams[self::PMF_LINK_GET_TAGGING_ID];
                                if (isset($getParams[self::PMF_LINK_GET_PAGE])) {
                                    $url .= self::PMF_LINK_HTML_SLASH.$getParams[self::PMF_LINK_GET_PAGE];
                                }
                                $url .= self::PMF_LINK_SLASH . 
                                        $this->getSEOItemTitle() . 
                                        self::PMF_LINK_HTML_EXTENSION; 
                            } elseif (isset($getParams[self::PMF_LINK_GET_ACTION_SEARCH])) {
                                $url .= self::PMF_LINK_HTML_SEARCH;
                                $url .= self::PMF_LINK_SEARCHPART_SEPARATOR . 
                                        self::PMF_LINK_GET_ACTION_SEARCH . '=' . 
                                        $getParams[self::PMF_LINK_GET_ACTION_SEARCH];
                                if (isset($getParams[self::PMF_LINK_GET_PAGE])) {
                                    $url .= self::PMF_LINK_AMPERSAND.self::PMF_LINK_GET_PAGE . '=' . 
                                            $getParams[self::PMF_LINK_GET_PAGE];
                                }
                            }
                            if (isset($getParams[self::PMF_LINK_GET_LANGS])) {
                                $url .= self::PMF_LINK_AMPERSAND . 
                                        self::PMF_LINK_GET_LANGS . '=' . 
                                        $getParams[self::PMF_LINK_GET_LANGS];
                            }
                            break;
                            
                        case self::PMF_LINK_GET_ACTION_SITEMAP:
                            if (isset($getParams[self::PMF_LINK_GET_LETTER])) {
                                $url .= self::PMF_LINK_SITEMAP . 
                                        $getParams[self::PMF_LINK_GET_LETTER] . 
                                        self::PMF_LINK_HTML_SLASH . 
                                        $getParams[self::PMF_LINK_GET_LANG] . 
                                        self::PMF_LINK_HTML_EXTENSION;
                            } else {
                                $url .= self::PMF_LINK_SITEMAP . 'A' . 
                                        self::PMF_LINK_HTML_SLASH . 
                                        $getParams[self::PMF_LINK_GET_LANG] . 
                                        self::PMF_LINK_HTML_EXTENSION;
                            }
                            break;
                            
                        case self::PMF_LINK_GET_ACTION_SHOW:
                            if (!isset($getParams[self::PMF_LINK_GET_CATEGORY]) || 
                                (isset($getParams[self::PMF_LINK_GET_CATEGORY]) && 
                                (0 == $getParams[self::PMF_LINK_GET_CATEGORY]))) {
                                $url .= self::PMF_LINK_HTML_SHOWCAT;
                            } else {
                                $url .= self::PMF_LINK_CATEGORY . 
                                        $getParams[self::PMF_LINK_GET_CATEGORY];
                                if (isset($getParams[self::PMF_LINK_GET_PAGE])) {
                                    $url .= self::PMF_LINK_HTML_SLASH . 
                                            $getParams[self::PMF_LINK_GET_PAGE];
                                }
                                $url .= self::PMF_LINK_HTML_SLASH . 
                                        $this->getSEOItemTitle() .
                                        self::PMF_LINK_HTML_EXTENSION;
                            }
                            break;
                            
                        case self::PMF_LINK_GET_ACTION_NEWS:
                            $url .= self::PMF_LINK_NEWS . 
                                    $getParams[self::PMF_LINK_GET_NEWS_ID] . 
                                    self::PMF_LINK_HTML_SLASH .
                                    $getParams[self::PMF_LINK_GET_NEWS_LANG] .
                                    self::PMF_LINK_SLASH .
                                    $this->getSEOItemTitle() .
                                    self::PMF_LINK_HTML_EXTENSION;
                            break;
                    }
                    
                    if (isset($getParams[self::PMF_LINK_GET_SIDS])) {
                        $url = $this->appendSids($url, $getParams[self::PMF_LINK_GET_SIDS]);
                    }
                    
                    if (isset($getParams['fragment'])) {
                        $url .= self::PMF_LINK_FRAGMENT_SEPARATOR.$getParams['fragment'];
                    }
                }
            }
        }

        return $url;
    }

    /**
     * Transforms a URI
     *
     * @return string
     */
    public function toUri()
    {
        $url = $this->url;
        if (!empty($this->url)) {
            if ((!$this->hasScheme()) && (!$this->isInternalReference())) {
                $url = $this->getDefaultScheme() . $this->url;
            }
        }

        return $url;
    }

    /**
     * Returns the current URL
     *
     * @return string
     */
    public function getCurrentUrl()
    {
        if (!empty($_SERVER['HTTPS'])) {
            return 'https://' . $_SERVER['SERVER_NAME'] . PMF_String::htmlentities($_SERVER['REQUEST_URI']);
        } else {
            return 'http://' . $_SERVER['SERVER_NAME'] . PMF_String::htmlentities($_SERVER['REQUEST_URI']);
        }
    }
    
    /**
     * Static method to generate simple HTML anchors
     *
     * @static
     * @param string $url    URL
     * @param string $text   Text
     * @param bool   $active Add CSS class named "active"?
     *
     * @return string
     */
    public static function renderNavigationLink($url, $text, $active = false)
    {
        return printf(
            '<a %s href="%s">%s</a>',
            (true === $active ? 'class="active"' : ''),
            $url,
            $text
        );
    }
}

1		<?php
2		/**
3		* Link management - Functions and Classes
4		*
5		* PHP Version 5.4
6		*
7		* This Source Code Form is subject to the terms of the Mozilla Public License,
8		* v. 2.0. If a copy of the MPL was not distributed with this file, You can
9		* obtain one at http://mozilla.org/MPL/2.0/.
10		*
11		* @category phpMyFAQ
12		* @package PMF_Link
13		* @author Matteo Scaramuccia <[email protected]>
14		* @author Thorsten Rinne <[email protected]>
15		* @copyright 2005-2014 phpMyFAQ Team
16		* @license http://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0
17		* @link http://www.phpmyfaq.de
18		* @since 2005-11-02
19		*/
20
21		if (!defined('IS_VALID_PHPMYFAQ')) {
22		exit();
23		}
24
25		/**
26		* PMF_Link Class
27		*
28		* This class wrap the needs for managing an HTML anchor
29		* taking into account also the HTML anchor creation
30		* with specific handling for mod_rewrite PMF native support
31		*
32		* @category phpMyFAQ
33		* @package PMF_Link
34		* @author Matteo Scaramuccia <[email protected]>
35		* @author Thorsten Rinne <[email protected]>
36		* @copyright 2005-2014 phpMyFAQ Team
37		* @license http://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0
38		* @link http://www.phpmyfaq.de
39		* @since 2005-11-02
40		*/
41		class PMF_Link
42		{
43		/**
44		* class constants
45		*
46		*/
47		const PMF_LINK_AMPERSAND = '&';
48		const PMF_LINK_CATEGORY = 'category/';
49		const PMF_LINK_CONTENT = 'content/';
50		const PMF_LINK_EQUAL = '=';
51		const PMF_LINK_FRAGMENT_SEPARATOR = '#';
52		const PMF_LINK_HTML_MINUS = '-';
53		const PMF_LINK_HTML_UNDERSCORE = '_';
54		const PMF_LINK_HTML_SLASH = '/';
55		const PMF_LINK_HTML_TARGET_BLANK = '_blank';
56		const PMF_LINK_HTML_TARGET_PARENT = '_parent';
57		const PMF_LINK_HTML_TARGET_SELF = '_self';
58		const PMF_LINK_HTML_TARGET_TOP = '_top';
59		const PMF_LINK_NEWS = 'news/';
60		const PMF_LINK_SITEMAP = 'sitemap/';
61		const PMF_LINK_SLASH = '/';
62		const PMF_LINK_SEARCHPART_SEPARATOR = '?';
63		const PMF_LINK_TAGS = 'tags/';
64
65		const PMF_LINK_INDEX_ADMIN = '/admin/index.php';
66		const PMF_LINK_INDEX_HOME = '/index.php';
67
68		const PMF_LINK_GET_ACTION = 'action';
69		const PMF_LINK_GET_ARTLANG = 'artlang';
70		const PMF_LINK_GET_CATEGORY = 'cat';
71		const PMF_LINK_GET_HIGHLIGHT = 'highlight';
72		const PMF_LINK_GET_ID = 'id';
73		const PMF_LINK_GET_LANG = 'lang';
74		const PMF_LINK_GET_LETTER = 'letter';
75		const PMF_LINK_GET_NEWS_ID = 'newsid';
76		const PMF_LINK_GET_NEWS_LANG = 'newslang';
77		const PMF_LINK_GET_PAGE = 'seite';
78		const PMF_LINK_GET_SIDS = 'SIDS';
79		const PMF_LINK_GET_TAGGING_ID = 'tagging_id';
80		const PMF_LINK_GET_LANGS = 'langs';
81
82		const PMF_LINK_GET_ACTION_ADD = 'add';
83		const PMF_LINK_GET_ACTION_ARTIKEL = 'artikel';
84		const PMF_LINK_GET_ACTION_ASK = 'ask';
85		const PMF_LINK_GET_ACTION_CONTACT = 'contact';
86		const PMF_LINK_GET_ACTION_GLOSSARY = 'glossary';
87		const PMF_LINK_GET_ACTION_HELP = 'help';
88		const PMF_LINK_GET_ACTION_LOGIN = 'login';
89		const PMF_LINK_GET_ACTION_NEWS = 'news';
90		const PMF_LINK_GET_ACTION_OPEN = 'open';
91		const PMF_LINK_GET_ACTION_PASSWORD = 'password';
92		const PMF_LINK_GET_ACTION_REGISTER = 'register';
93		const PMF_LINK_GET_ACTION_SEARCH = 'search';
94		const PMF_LINK_GET_ACTION_SITEMAP = 'sitemap';
95		const PMF_LINK_GET_ACTION_SHOW = 'show';
96
97		const PMF_LINK_HTML_CATEGORY = 'category';
98		const PMF_LINK_HTML_EXTENSION = '.html';
99		const PMF_LINK_HTML_SITEMAP = 'sitemap';
100
101		const PMF_LINK_HTML_ADDCONTENT = 'addcontent.html';
102		const PMF_LINK_HTML_ASK = 'ask.html';
103		const PMF_LINK_HTML_CONTACT = 'contact.html';
104		const PMF_LINK_HTML_GLOSSARY = 'glossary.html';
105		const PMF_LINK_HTML_HELP = 'help.html';
106		const PMF_LINK_HTML_LOGIN = 'login.html';
107		const PMF_LINK_HTML_OPEN = 'open.html';
108		const PMF_LINK_HTML_PASSWORD = 'password.html';
109		const PMF_LINK_HTML_REGISTER = 'register.html';
110		const PMF_LINK_HTML_SEARCH = 'search.html';
111		const PMF_LINK_HTML_SHOWCAT = 'showcat.html';
112
113		/**
114		* URL
115		*
116		* @var string
117		*/
118		public $url = '';
119
120		/**
121		* CSS class
122		*
123		* @var string
124		*/
125		public $class = '';
126
127		/**
128		* Linktext
129		*
130		* @var string
131		*/
132		public $text = '';
133
134		/**
135		* Tooltip
136		*
137		* @var string
138		*/
139		public $tooltip = '';
140
141		/**
142		* Target
143		*
144		* @var string
145		*/
146		public $target = '';
147
148		/**
149		* Name selector
150		*
151		* @var string
152		*/
153		public $name = '';
154
155		/**
156		* property specific to the SEO/SEF URLs
157		*
158		* @var string
159		*/
160		public $itemTitle = '';
161
162		/**
163		* Item property for HTML5 microdata
164		*
165		* @var string
166		*/
167		protected $itemprop = '';
168
169		/**
170		* rel property
171		*
172		* @var string
173		*/
174		protected $rel = '';
175
176		/**
177		* id selector
178		*
179		* @var string
180		*/
181		public $id = '';
182
183		/**
184		* @var PMF_Configuration
185		*/
186		private $_config = null;
187
188		/**
189		* Constructor
190		*
191		* @param string $url URL
192		* @param PMF_Configuration $config
193		*
194		* @return PMF_Link
195		*/
196		public function __construct($url, PMF_Configuration $config)
197		{
198		$this->url = $url;
199		$this->_config = $config;
200		}
201
202		/**
203		* Checks if webserver is an IIS Server
204		*
205		* @return boolean
206		*/
207		public static function isIISServer()
208		{
209		return (isset($_SERVER['ALL_HTTP']) \|\| isset($_SERVER['COMPUTERNAME']) \|\| isset($_SERVER['APP_POOL_ID']));
210		}
211
212		/**
213		* Checks if the the current URL is the main index.php file
214		*
215		* @return boolean
216		*/
217		protected function isHomeIndex()
218		{
219		if (!$this->isSystemLink()) {
220		return false;
221		}
222
223		return !(false === strpos($this->url, self::PMF_LINK_INDEX_HOME));
224		}
225
226		/**
227		* Checks if URL is an internal reference
228		*
229		* @return boolean
230		*/
231		protected function isInternalReference()
232		{
233		if ($this->isRelativeSystemLink()) {
234		return true;
235		}
236		if (false === strpos($this->url, '#')) {
237		return false;
238		}
239
240		return (strpos($this->url, '#') == 0);
241		}
242
243		/**
244		* Checks if URL is a relative system link
245		*
246		* @return boolean
247		*/
248		protected function isRelativeSystemLink()
249		{
250		$slashIdx = strpos($this->url, self::PMF_LINK_SLASH);
251		if (false === $slashIdx) {
252		return false;
253		}
254
255		return ($slashIdx == 0);
256		}
257
258		/**
259		* Checks if URL is a system link
260		*
261		* @return boolean
262		*/
263		protected function isSystemLink()
264		{
265		// a. Is the url relative, starting with '/'?
266		// b. Is the url related to the current running PMF system?
267		if ($this->isRelativeSystemLink()) {
268		return true;
269		}
270		// $_SERVER['HTTP_HOST'] is the name of the website or virtual host name
271		return !(false === strpos($this->url, $_SERVER['HTTP_HOST']));
272		}
273
274		/**
275		* @param string $itemprop Item property
276		*
277		* @return void
278		*/
279		public function setItemProperty($itemprop)
280		{
281		$this->itemprop = $itemprop;
282		}
283
284		/**
285		* @param string $rel rel property
286		*
287		* @return void
288		*/
289		public function setRelation($rel)
290		{
291		$this->rel = $rel;
292		}
293
294		/**
295		* Checks if URL contains a scheme
296		*
297		* @return boolean
298		*/
299		protected function hasScheme()
300		{
301		$parsed = parse_url($this->url);
302
303		return (!empty($parsed['scheme']));
304		}
305
306		/**
307		* Returns a search engine optimized title
308		*
309		* @param string $title
310		*
311		* @return string
312		*/
313		public function getSEOItemTitle($title = '')
314		{
315		if ('' === $title) {
316		$title = $this->itemTitle;
317		}
318
319		$itemTitle = trim($title);
320		// Lower the case (aesthetic)
321		$itemTitle = PMF_String::strtolower($itemTitle);
322		// Use '_' for some other characters for:
323		// 1. avoiding regexp match break;
324		// 2. improving the reading.
325		$itemTitle = str_replace(array('-', "'", '/', '&#39'), '_', $itemTitle);
326		// 1. Remove any CR LF sequence
327		// 2. Use a '-' for the words separation
328		$itemTitle = PMF_String::preg_replace('/\s/m', '-', $itemTitle);
329		// Hack: remove some chars for having a better readable title
330		$itemTitle = str_replace(
331		array('+', ',', ';', ':', '.', '?', '!', '"', '(', ')', '[', ']', '{', '}', '<', '>'),
332		'',
333		$itemTitle
334		);
335		// Hack: move some chars to "similar" but plain ASCII chars
336		$itemTitle = str_replace(
337		array(
338		'à', 'è', 'é', 'ì', 'ò', 'ù', 'ä', 'ö', 'ü', 'ß', 'Ä', 'Ö', 'Ü',
339		'č', 'ę', 'ė', 'į', 'š', 'ų', 'ū', 'ž'
340		),
341		array(
342		'a', 'e', 'e', 'i', 'o', 'u', 'ae', 'oe', 'ue', 'ss', 'Ae', 'Oe', 'Ue',
343		'c', 'e', 'e', 'i', 's', 'u', 'u', 'z'
344		),
345		$itemTitle
346		);
347		// Clean up
348		$itemTitle = PMF_String::preg_replace('/-[\-]+/m', '-', $itemTitle);
349
350		return rawurlencode($itemTitle);
351		}
352
353		/**
354		* Returns the HTTP GET parameters
355		*
356		* @return array
357		*/
358		protected function getHttpGetParameters()
359		{
360		$query = $this->getQuery();
361		$parameters = [];
362
363		if (!empty($query)) {
364		if (isset($query['fragment']) ) {
365		$parameters[self::PMF_LINK_FRAGMENT_SEPARATOR] = urldecode($query['fragment']);
366		}
367		$params = explode(self::PMF_LINK_AMPERSAND, $query['main']);
368		foreach ($params as $param) {
369		if (!empty($param)) {
370		$couple = explode(self::PMF_LINK_EQUAL, $param);
371		list($key, $val) = $couple;
372		$parameters[$key] = urldecode($val);
373		}
374		}
375		}
376
377		return $parameters;
378		}
379
380		/**
381		* Returns the Query of an URL
382		*
383		* @return string
384		*/
385		protected function getQuery()
386		{
387		$query = '';
388
389		if (!empty($this->url)) {
390		$parsed = parse_url($this->url);
391
392	View Code Duplication	if (isset($parsed['query'])) {
393		$query['main'] = filter_var($parsed['query'], FILTER_SANITIZE_STRIPPED);
394		}
395	View Code Duplication	if (isset($parsed['fragment'])) {
396		$query['fragment'] = filter_var($parsed['fragment'], FILTER_SANITIZE_STRIPPED);
397		}
398		}
399
400		return $query;
401		}
402
403		/**
404		* Returns the default scheme
405		*
406		* @return string
407		*/
408		protected function getDefaultScheme()
409		{
410		$scheme = 'http://';
411		if ($this->isSystemLink()) {
412		$scheme = $this->getSystemScheme();
413		}
414
415		return $scheme;
416		}
417
418		/**
419		* Returns the system scheme, http or https
420		*
421		* @return string
422		*/
423		public function getSystemScheme()
424		{
425		if ($this->_config->get('security.useSslOnly')) {
426		return 'https://';
427		}
428
429		$scheme = 'http' . (((!PMF_Link::isIISServer()) && isset($_SERVER['HTTPS'])) \|\|
430		((PMF_Link::isIISServer()) && ('on' == strtolower($_SERVER['HTTPS']))) ? 's' : '') . '://';
431
432		return $scheme;
433		}
434
435		/**
436		* Returns the relative URI
437		*
438		* @param string $path
439		*
440		* @return string
441		*/
442		public static function getSystemRelativeUri($path = null)
443		{
444		if (isset($path)) {
445		return str_replace($path, '', $_SERVER['SCRIPT_NAME']);
446		}
447
448		return str_replace('/inc/Link.php', '', $_SERVER['SCRIPT_NAME']);
449		}
450
451		/**
452		* Returns the system URI
453		*
454		* @param string $path
455		*
456		* @return string
457		*/
458		public function getSystemUri($path = null)
459		{
460		// $_SERVER['HTTP_HOST'] is the name of the website or virtual host name (HTTP/1.1)
461		// Precisely, it contains what the user has written in the Host request-header, see below.
462		// RFC 2616: The Host request-header field specifies the Internet host and port number of the resource
463		// being requested, as obtained from the original URI given by the user or referring resource
464
465		// Remove any ref to standard ports 80 and 443.
466		$pattern[0] = '/:80$/'; // HTTP: port 80
467		$pattern[1] = '/:443$/'; // HTTPS: port 443
468		$sysUri = $this->getSystemScheme() . preg_replace($pattern, '', $_SERVER['HTTP_HOST']);
469
470		return $sysUri . PMF_link::getSystemRelativeUri($path);
471		}
472
473		/**
474		* Builds a HTML anchor
475		*
476		* @return string
477		*/
478		public function toHtmlAnchor()
479		{
480		// Sanitize the provided url
481		$url = $this->toString();
482		// Prepare HTML anchor element
483		$htmlAnchor = '<a';
484		if (!empty($this->class)) {
485		$htmlAnchor .= sprintf(' class="%s"', $this->class);
486		}
487		if (!empty($this->id)) {
488		$htmlAnchor .= ' id="'.$this->id.'"';
489		}
490		if (!empty($this->tooltip)) {
491		$htmlAnchor .= sprintf(' title="%s"', addslashes($this->tooltip));
492		}
493		if (!empty($this->name)) {
494		$htmlAnchor .= sprintf(' name="%s"', $this->name);
495		} else {
496		if (!empty($this->url)) {
497		$htmlAnchor .= sprintf(' href="%s"', $url);
498		}
499		if (!empty($this->target)) {
500		$htmlAnchor .= sprintf(' target="%s"', $this->target);
501		}
502		}
503		if (!empty($this->itemprop)) {
504		$htmlAnchor .= sprintf(' itemprop="%s"', $this->itemprop);
505		}
506		if (!empty($this->rel)) {
507		$htmlAnchor .= sprintf(' rel="%s"', $this->rel);
508		}
509		$htmlAnchor .= '>';
510		if (('0' == $this->text) \|\| (!empty($this->text))) {
511		$htmlAnchor .= $this->text;
512		} else {
513		if (!empty($this->name)) {
514		$htmlAnchor .= $this->name;
515		} else {
516		$htmlAnchor .= $url;
517		}
518		}
519		$htmlAnchor .= '</a>';
520
521		return $htmlAnchor;
522		}
523
524		/**
525		* Appends the session id
526		*
527		* @param string $url URL
528		* @param integer $sids Session Id
529		*
530		* @return string
531		*/
532		protected function appendSids($url, $sids)
533		{
534		$separator = (false === strpos($url, self::PMF_LINK_SEARCHPART_SEPARATOR))
535		?
536		self::PMF_LINK_SEARCHPART_SEPARATOR
537		:
538		self::PMF_LINK_AMPERSAND;
539		return $url . $separator . self::PMF_LINK_GET_SIDS . self::PMF_LINK_EQUAL . $sids;
540		}
541
542		/**
543		* Rewrites a URL string
544		*
545		* @param boolean $forceNoModrewriteSupport Force no rewrite support
546		*
547		* @return string
548		*/
549		public function toString($forceNoModrewriteSupport = false)
550		{
551		$url = $this->toUri();
552		// Check mod_rewrite support and 'rewrite' the passed (system) uri
553		// according to the rewrite rules written in .htaccess
554		if ((!$forceNoModrewriteSupport) && ($this->_config->get('main.enableRewriteRules'))) {
555
556		if ($this->isHomeIndex()) {
557
558		$getParams = $this->getHttpGetParameters();
559		if (isset($getParams[self::PMF_LINK_GET_ACTION])) {
560		// Get the part of the url 'till the '/' just before the pattern
561		$url = substr($url, 0, strpos($url, self::PMF_LINK_INDEX_HOME) + 1);
562		// Build the Url according to .htaccess rules
563		switch ($getParams[self::PMF_LINK_GET_ACTION]) {
564
565		case self::PMF_LINK_GET_ACTION_ADD:
566		$url .= self::PMF_LINK_HTML_ADDCONTENT;
567		break;
568
569		case self::PMF_LINK_GET_ACTION_ARTIKEL:
570		$url .= self::PMF_LINK_CONTENT .
571		$getParams[self::PMF_LINK_GET_CATEGORY] .
572		self::PMF_LINK_HTML_SLASH .
573		$getParams[self::PMF_LINK_GET_ID] .
574		self::PMF_LINK_HTML_SLASH .
575		$getParams[self::PMF_LINK_GET_ARTLANG] .
576		self::PMF_LINK_SLASH .
577		$this->getSEOItemTitle() .
578		self::PMF_LINK_HTML_EXTENSION;
579	View Code Duplication	if (isset($getParams[self::PMF_LINK_GET_HIGHLIGHT])) {
580		$url .= self::PMF_LINK_SEARCHPART_SEPARATOR .
581		self::PMF_LINK_GET_HIGHLIGHT . '=' .
582		$getParams[self::PMF_LINK_GET_HIGHLIGHT];
583		}
584		if (isset($getParams[self::PMF_LINK_FRAGMENT_SEPARATOR])) {
585		$url .= self::PMF_LINK_FRAGMENT_SEPARATOR .
586		$getParams[self::PMF_LINK_FRAGMENT_SEPARATOR];
587		}
588		break;
589
590		case self::PMF_LINK_GET_ACTION_ASK:
591		$url .= self::PMF_LINK_HTML_ASK;
592		break;
593
594		case self::PMF_LINK_GET_ACTION_CONTACT:
595		$url .= self::PMF_LINK_HTML_CONTACT;
596		break;
597
598		case self::PMF_LINK_GET_ACTION_GLOSSARY:
599		$url .= self::PMF_LINK_HTML_GLOSSARY;
600		break;
601
602		case self::PMF_LINK_GET_ACTION_HELP:
603		$url .= self::PMF_LINK_HTML_HELP;
604		break;
605
606		case self::PMF_LINK_GET_ACTION_OPEN:
607		$url .= self::PMF_LINK_HTML_OPEN;
608		break;
609
610		case self::PMF_LINK_GET_ACTION_SEARCH:
611		if (!isset($getParams[self::PMF_LINK_GET_ACTION_SEARCH]) &&
612		isset($getParams[self::PMF_LINK_GET_TAGGING_ID])) {
613		$url .= self::PMF_LINK_TAGS.$getParams[self::PMF_LINK_GET_TAGGING_ID];
614		if (isset($getParams[self::PMF_LINK_GET_PAGE])) {
615		$url .= self::PMF_LINK_HTML_SLASH.$getParams[self::PMF_LINK_GET_PAGE];
616		}
617		$url .= self::PMF_LINK_SLASH .
618		$this->getSEOItemTitle() .
619		self::PMF_LINK_HTML_EXTENSION;
620		} elseif (isset($getParams[self::PMF_LINK_GET_ACTION_SEARCH])) {
621		$url .= self::PMF_LINK_HTML_SEARCH;
622		$url .= self::PMF_LINK_SEARCHPART_SEPARATOR .
623		self::PMF_LINK_GET_ACTION_SEARCH . '=' .
624		$getParams[self::PMF_LINK_GET_ACTION_SEARCH];
625	View Code Duplication	if (isset($getParams[self::PMF_LINK_GET_PAGE])) {
626		$url .= self::PMF_LINK_AMPERSAND.self::PMF_LINK_GET_PAGE . '=' .
627		$getParams[self::PMF_LINK_GET_PAGE];
628		}
629		}
630	View Code Duplication	if (isset($getParams[self::PMF_LINK_GET_LANGS])) {
631		$url .= self::PMF_LINK_AMPERSAND .
632		self::PMF_LINK_GET_LANGS . '=' .
633		$getParams[self::PMF_LINK_GET_LANGS];
634		}
635		break;
636
637		case self::PMF_LINK_GET_ACTION_SITEMAP:
638		if (isset($getParams[self::PMF_LINK_GET_LETTER])) {
639		$url .= self::PMF_LINK_SITEMAP .
640		$getParams[self::PMF_LINK_GET_LETTER] .
641		self::PMF_LINK_HTML_SLASH .
642		$getParams[self::PMF_LINK_GET_LANG] .
643		self::PMF_LINK_HTML_EXTENSION;
644		} else {
645		$url .= self::PMF_LINK_SITEMAP . 'A' .
646		self::PMF_LINK_HTML_SLASH .
647		$getParams[self::PMF_LINK_GET_LANG] .
648		self::PMF_LINK_HTML_EXTENSION;
649		}
650		break;
651
652		case self::PMF_LINK_GET_ACTION_SHOW:
653		if (!isset($getParams[self::PMF_LINK_GET_CATEGORY]) \|\|
654		(isset($getParams[self::PMF_LINK_GET_CATEGORY]) &&
655		(0 == $getParams[self::PMF_LINK_GET_CATEGORY]))) {
656		$url .= self::PMF_LINK_HTML_SHOWCAT;
657		} else {
658		$url .= self::PMF_LINK_CATEGORY .
659		$getParams[self::PMF_LINK_GET_CATEGORY];
660		if (isset($getParams[self::PMF_LINK_GET_PAGE])) {
661		$url .= self::PMF_LINK_HTML_SLASH .
662		$getParams[self::PMF_LINK_GET_PAGE];
663		}
664		$url .= self::PMF_LINK_HTML_SLASH .
665		$this->getSEOItemTitle() .
666		self::PMF_LINK_HTML_EXTENSION;
667		}
668		break;
669
670		case self::PMF_LINK_GET_ACTION_NEWS:
671		$url .= self::PMF_LINK_NEWS .
672		$getParams[self::PMF_LINK_GET_NEWS_ID] .
673		self::PMF_LINK_HTML_SLASH .
674		$getParams[self::PMF_LINK_GET_NEWS_LANG] .
675		self::PMF_LINK_SLASH .
676		$this->getSEOItemTitle() .
677		self::PMF_LINK_HTML_EXTENSION;
678		break;
679		}
680
681		if (isset($getParams[self::PMF_LINK_GET_SIDS])) {
682		$url = $this->appendSids($url, $getParams[self::PMF_LINK_GET_SIDS]);
683		}
684
685		if (isset($getParams['fragment'])) {
686		$url .= self::PMF_LINK_FRAGMENT_SEPARATOR.$getParams['fragment'];
687		}
688		}
689		}
690		}
691
692		return $url;
693		}
694
695		/**
696		* Transforms a URI
697		*
698		* @return string
699		*/
700		public function toUri()
701		{
702		$url = $this->url;
703		if (!empty($this->url)) {
704		if ((!$this->hasScheme()) && (!$this->isInternalReference())) {
705		$url = $this->getDefaultScheme() . $this->url;
706		}
707		}
708
709		return $url;
710		}
711
712		/**
713		* Returns the current URL
714		*
715		* @return string
716		*/
717		public function getCurrentUrl()
718		{
719		if (!empty($_SERVER['HTTPS'])) {
720		return 'https://' . $_SERVER['SERVER_NAME'] . PMF_String::htmlentities($_SERVER['REQUEST_URI']);
721		} else {
722		return 'http://' . $_SERVER['SERVER_NAME'] . PMF_String::htmlentities($_SERVER['REQUEST_URI']);
723		}
724		}
725
726		/**
727		* Static method to generate simple HTML anchors
728		*
729		* @static
730		* @param string $url URL
731		* @param string $text Text
732		* @param bool $active Add CSS class named "active"?
733		*
734		* @return string
735		*/
736		public static function renderNavigationLink($url, $text, $active = false)
737		{
738		return printf(
739		'<a %s href="%s">%s</a>',
740		(true === $active ? 'class="active"' : ''),
741		$url,
742		$text
743		);
744		}
745		}

thorsten / phpMyFAQ

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Pull Request — master (#1192)

PMF_Link::renderNavigationLink() A

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