1) { $urlDir .= '/'; } return $urlDir; } /** * If current URL is "http://example.org/dir1/dir2/index.php?param1=value1¶m2=value2" * will return "/dir1/dir2/index.php" * * @return string */ static public function getCurrentScriptName() { $url = ''; if( !empty($_SERVER['PATH_INFO']) ) { $url = $_SERVER['PATH_INFO']; } else if( !empty($_SERVER['REQUEST_URI']) ) { if( ($pos = strpos($_SERVER['REQUEST_URI'], "?")) !== false ) { $url = substr($_SERVER['REQUEST_URI'], 0, $pos); } else { $url = $_SERVER['REQUEST_URI']; } } if(empty($url)) { $url = $_SERVER['SCRIPT_NAME']; } return $url; } static public function getCurrentScheme() { if(isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] == 'on' || $_SERVER['HTTPS'] === true) ) { $scheme = 'https'; } else { $scheme = 'http'; } return $scheme; } /** * If current URL is "http://example.org/dir1/dir2/index.php?param1=value1¶m2=value2" * will return "http://example.org" * * @return string */ static public function getCurrentHost() { $url = self::getCurrentScheme(); $url .= '://'; if(isset($_SERVER['HTTP_HOST'])) { $url .= $_SERVER['HTTP_HOST']; } else { $url .= 'unknown'; } return $url; } /** * If current URL is "http://example.org/dir1/dir2/index.php?param1=value1¶m2=value2" * will return "?param1=value1¶m2=value2" * * @return string */ static public function getCurrentQueryString() { $url = ''; if(isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING'])) { $url .= "?".$_SERVER['QUERY_STRING']; } return $url; } /** * If current URL is "http://example.org/dir1/dir2/index.php?param1=value1¶m2=value2" * will return * array * 'param1' => string 'value1' * 'param2' => string 'value2' * * @return array */ static function getArrayFromCurrentQueryString() { $queryString = self::getCurrentQueryString(); $urlValues = Piwik_Common::getArrayFromQueryString($queryString); return $urlValues; } /** * Given an array of name-values, it will return the current query string * with the new requested parameter key-values; * If a parameter wasn't found in the current query string, the new key-value will be added to the returned query string. * * @param array $params array ( 'param3' => 'value3' ) * @return string ?param2=value2¶m3=value3 */ static function getCurrentQueryStringWithParametersModified( $params ) { $urlValues = self::getArrayFromCurrentQueryString(); foreach($params as $key => $value) { $urlValues[$key] = $value; } $query = self::getQueryStringFromParameters($urlValues); if(strlen($query) > 0) { return '?'.$query; } return ''; } /** * Given an array of parameters name->value, returns the query string. * Also works with array values using the php array syntax for GET parameters. * * @param $parameters eg. array( 'param1' => 10, 'param2' => array(1,2)) * @return string eg. "param1=10¶m2[]=1¶m2[]=2" */ static public function getQueryStringFromParameters($parameters) { $query = ''; foreach($parameters as $name => $value) { if(empty($value)) { continue; } if(is_array($value)) { foreach($value as $theValue) { $query .= $name . "[]=" . $theValue . "&"; } } else { $query .= $name . "=" . $value . "&"; } } $query = substr($query, 0, -1); return $query; } /** * Redirects the user to the Referer if found. * If the user doesn't have a referer set, it redirects to the current URL without query string. */ static public function redirectToReferer() { $referer = self::getReferer(); if($referer !== false) { self::redirectToUrl($referer); } self::redirectToUrl(self::getCurrentUrlWithoutQueryString()); } /** * Redirects the user to the specified URL * * @param string $url */ static public function redirectToUrl( $url ) { header("Location: $url"); exit; } /** * Returns the HTTP_REFERER header, false if not found. * * @return string|false */ static public function getReferer() { if(!empty($_SERVER['HTTP_REFERER'])) { return $_SERVER['HTTP_REFERER']; } return false; } }