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<?php
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/**
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* base include file for SimpleTest
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* @package SimpleTest
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* @subpackage WebTester
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* @version $Id: url.php 1532 2006-12-01 12:28:55Z xue $
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*/
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/**#@+
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* include other SimpleTest class files
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*/
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require_once(dirname(__FILE__) . '/encoding.php');
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/**#@-*/
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/**
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* URL parser to replace parse_url() PHP function which
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* got broken in PHP 4.3.0. Adds some browser specific
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* functionality such as expandomatics.
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* Guesses a bit trying to separate the host from
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* the path and tries to keep a raw, possibly unparsable,
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* request string as long as possible.
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* @package SimpleTest
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* @subpackage WebTester
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*/
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class SimpleUrl {
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protected $_scheme;
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protected $_username;
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protected $_password;
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protected $_host;
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protected $_port;
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protected $_path;
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protected $_request;
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protected $_fragment;
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protected $_x;
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protected $_y;
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protected $_target;
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protected $_raw = false;
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/**
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* Constructor. Parses URL into sections.
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* @param string $url Incoming URL.
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* @access public
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*/
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function SimpleUrl($url) {
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list($x, $y) = $this->_chompCoordinates($url);
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$this->setCoordinates($x, $y);
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$this->_scheme = $this->_chompScheme($url);
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list($this->_username, $this->_password) = $this->_chompLogin($url);
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$this->_host = $this->_chompHost($url);
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$this->_port = false;
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if (preg_match('/(.*?):(.*)/', $this->_host, $host_parts)) {
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$this->_host = $host_parts[1];
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$this->_port = (integer)$host_parts[2];
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}
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$this->_path = $this->_chompPath($url);
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$this->_request = $this->_parseRequest($this->_chompRequest($url));
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$this->_fragment = (strncmp($url, "#", 1) == 0 ? substr($url, 1) : false);
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$this->_target = false;
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}
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/**
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* Extracts the X, Y coordinate pair from an image map.
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* @param string $url URL so far. The coordinates will be
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* removed.
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* @return array X, Y as a pair of integers.
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* @access private
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*/
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function _chompCoordinates($url) {
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if (preg_match('/(.*)\?(\d+),(\d+)$/', $url, $matches)) {
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$url = $matches[1];
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return array((integer)$matches[2], (integer)$matches[3]);
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}
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return array(false, false);
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}
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/**
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* Extracts the scheme part of an incoming URL.
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* @param string $url URL so far. The scheme will be
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* removed.
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* @return string Scheme part or false.
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* @access private
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*/
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function _chompScheme($url) {
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if (preg_match('/(.*?):(\/\/)(.*)/', $url, $matches)) {
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$url = $matches[2] . $matches[3];
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return $matches[1];
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}
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return false;
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}
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/**
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* Extracts the username and password from the
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* incoming URL. The // prefix will be reattached
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* to the URL after the doublet is extracted.
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* @param string $url URL so far. The username and
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* password are removed.
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* @return array Two item list of username and
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* password. Will urldecode() them.
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* @access private
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*/
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function _chompLogin($url) {
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$prefix = '';
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if (preg_match('/^(\/\/)(.*)/', $url, $matches)) {
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$prefix = $matches[1];
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$url = $matches[2];
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}
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if (preg_match('/(.*?)@(.*)/', $url, $matches)) {
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$url = $prefix . $matches[2];
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$parts = split(":", $matches[1]);
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return array(
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urldecode($parts[0]),
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isset($parts[1]) ? urldecode($parts[1]) : false);
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}
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$url = $prefix . $url;
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return array(false, false);
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}
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/**
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* Extracts the host part of an incoming URL.
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* Includes the port number part. Will extract
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* the host if it starts with // or it has
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* a top level domain or it has at least two
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* dots.
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* @param string $url URL so far. The host will be
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* removed.
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* @return string Host part guess or false.
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* @access private
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*/
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function _chompHost($url) {
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if (preg_match('/^(\/\/)(.*?)(\/.*|\?.*|#.*|$)/', $url, $matches)) {
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$url = $matches[3];
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return $matches[2];
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}
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if (preg_match('/(.*?)(\.\.\/|\.\/|\/|\?|#|$)(.*)/', $url, $matches)) {
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$tlds = SimpleUrl::getAllTopLevelDomains();
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if (preg_match('/[a-z0-9\-]+\.(' . $tlds . ')/i', $matches[1])) {
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$url = $matches[2] . $matches[3];
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return $matches[1];
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} elseif (preg_match('/[a-z0-9\-]+\.[a-z0-9\-]+\.[a-z0-9\-]+/i', $matches[1])) {
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$url = $matches[2] . $matches[3];
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return $matches[1];
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}
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}
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return false;
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}
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/**
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* Extracts the path information from the incoming
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* URL. Strips this path from the URL.
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* @param string $url URL so far. The host will be
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* removed.
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* @return string Path part or '/'.
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* @access private
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*/
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function _chompPath($url) {
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if (preg_match('/(.*?)(\?|#|$)(.*)/', $url, $matches)) {
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$url = $matches[2] . $matches[3];
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return ($matches[1] ? $matches[1] : '');
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}
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return '';
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}
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/**
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* Strips off the request data.
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* @param string $url URL so far. The request will be
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* removed.
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* @return string Raw request part.
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* @access private
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*/
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function _chompRequest($url) {
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if (preg_match('/\?(.*?)(#|$)(.*)/', $url, $matches)) {
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$url = $matches[2] . $matches[3];
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return $matches[1];
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}
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return '';
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}
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/**
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* Breaks the request down into an object.
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* @param string $raw Raw request.
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* @return SimpleFormEncoding Parsed data.
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* @access private
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*/
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function _parseRequest($raw) {
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$this->_raw = $raw;
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$request = new SimpleGetEncoding();
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foreach (split("&", $raw) as $pair) {
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if (preg_match('/(.*?)=(.*)/', $pair, $matches)) {
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$request->add($matches[1], urldecode($matches[2]));
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} elseif ($pair) {
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$request->add($pair, '');
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}
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}
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return $request;
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}
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/**
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* Accessor for protocol part.
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* @param string $default Value to use if not present.
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* @return string Scheme name, e.g "http".
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* @access public
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*/
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function getScheme($default = false) {
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return $this->_scheme ? $this->_scheme : $default;
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}
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/**
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* Accessor for user name.
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* @return string Username preceding host.
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* @access public
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*/
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function getUsername() {
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return $this->_username;
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}
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/**
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* Accessor for password.
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* @return string Password preceding host.
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* @access public
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*/
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function getPassword() {
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return $this->_password;
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}
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/**
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* Accessor for hostname and port.
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* @param string $default Value to use if not present.
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* @return string Hostname only.
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* @access public
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*/
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function getHost($default = false) {
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return $this->_host ? $this->_host : $default;
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}
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/**
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* Accessor for top level domain.
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* @return string Last part of host.
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* @access public
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*/
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function getTld() {
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$path_parts = pathinfo($this->getHost());
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return (isset($path_parts['extension']) ? $path_parts['extension'] : false);
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}
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/**
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* Accessor for port number.
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* @return integer TCP/IP port number.
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* @access public
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*/
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function getPort() {
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return $this->_port;
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}
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/**
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* Accessor for path.
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* @return string Full path including leading slash if implied.
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* @access public
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*/
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function getPath() {
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if (! $this->_path && $this->_host) {
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return '/';
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}
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return $this->_path;
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}
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/**
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* Accessor for page if any. This may be a
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* directory name if ambiguious.
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* @return Page name.
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* @access public
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*/
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function getPage() {
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if (! preg_match('/([^\/]*?)$/', $this->getPath(), $matches)) {
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return false;
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}
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return $matches[1];
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}
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/**
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* Gets the path to the page.
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* @return string Path less the page.
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* @access public
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*/
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function getBasePath() {
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if (! preg_match('/(.*\/)[^\/]*?$/', $this->getPath(), $matches)) {
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return false;
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}
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return $matches[1];
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}
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/**
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* Accessor for fragment at end of URL after the "#".
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* @return string Part after "#".
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* @access public
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*/
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function getFragment() {
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return $this->_fragment;
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}
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/**
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* Sets image coordinates. Set to false to clear
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* them.
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* @param integer $x Horizontal position.
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* @param integer $y Vertical position.
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* @access public
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*/
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function setCoordinates($x = false, $y = false) {
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if (($x === false) || ($y === false)) {
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$this->_x = $this->_y = false;
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return;
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}
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$this->_x = (integer)$x;
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$this->_y = (integer)$y;
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}
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/**
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* Accessor for horizontal image coordinate.
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* @return integer X value.
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* @access public
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*/
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function getX() {
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return $this->_x;
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}
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/**
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* Accessor for vertical image coordinate.
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* @return integer Y value.
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* @access public
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*/
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function getY() {
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return $this->_y;
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}
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/**
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* Accessor for current request parameters
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* in URL string form. Will return teh original request
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* if at all possible even if it doesn't make much
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* sense.
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* @return string Form is string "?a=1&b=2", etc.
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* @access public
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*/
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342 |
function getEncodedRequest() {
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if ($this->_raw) {
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$encoded = $this->_raw;
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} else {
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$encoded = $this->_request->asUrlRequest();
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}
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if ($encoded) {
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return '?' . preg_replace('/^\?/', '', $encoded);
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}
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return '';
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}
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/**
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* Adds an additional parameter to the request.
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* @param string $key Name of parameter.
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* @param string $value Value as string.
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* @access public
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*/
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360 |
function addRequestParameter($key, $value) {
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$this->_raw = false;
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$this->_request->add($key, $value);
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}
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/**
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* Adds additional parameters to the request.
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* @param hash/SimpleFormEncoding $parameters Additional
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* parameters.
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* @access public
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*/
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371 |
function addRequestParameters($parameters) {
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$this->_raw = false;
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$this->_request->merge($parameters);
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}
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/**
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377 |
* Clears down all parameters.
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* @access public
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*/
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380 |
function clearRequest() {
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381 |
$this->_raw = false;
|
|
|
382 |
$this->_request = new SimpleGetEncoding();
|
|
|
383 |
}
|
|
|
384 |
|
|
|
385 |
/**
|
|
|
386 |
* Gets the frame target if present. Although
|
|
|
387 |
* not strictly part of the URL specification it
|
|
|
388 |
* acts as similarily to the browser.
|
|
|
389 |
* @return boolean/string Frame name or false if none.
|
|
|
390 |
* @access public
|
|
|
391 |
*/
|
|
|
392 |
function getTarget() {
|
|
|
393 |
return $this->_target;
|
|
|
394 |
}
|
|
|
395 |
|
|
|
396 |
/**
|
|
|
397 |
* Attaches a frame target.
|
|
|
398 |
* @param string $frame Name of frame.
|
|
|
399 |
* @access public
|
|
|
400 |
*/
|
|
|
401 |
function setTarget($frame) {
|
|
|
402 |
$this->_raw = false;
|
|
|
403 |
$this->_target = $frame;
|
|
|
404 |
}
|
|
|
405 |
|
|
|
406 |
/**
|
|
|
407 |
* Renders the URL back into a string.
|
|
|
408 |
* @return string URL in canonical form.
|
|
|
409 |
* @access public
|
|
|
410 |
*/
|
|
|
411 |
function asString() {
|
|
|
412 |
$scheme = $identity = $host = $path = $encoded = $fragment = '';
|
|
|
413 |
if ($this->_username && $this->_password) {
|
|
|
414 |
$identity = $this->_username . ':' . $this->_password . '@';
|
|
|
415 |
}
|
|
|
416 |
if ($this->getHost()) {
|
|
|
417 |
$scheme = $this->getScheme() ? $this->getScheme() : 'http';
|
|
|
418 |
$host = $this->getHost();
|
|
|
419 |
}
|
|
|
420 |
if (substr($this->_path, 0, 1) == '/') {
|
|
|
421 |
$path = $this->normalisePath($this->_path);
|
|
|
422 |
}
|
|
|
423 |
$encoded = $this->getEncodedRequest();
|
|
|
424 |
$fragment = $this->getFragment() ? '#'. $this->getFragment() : '';
|
|
|
425 |
$coords = $this->getX() === false ? '' : '?' . $this->getX() . ',' . $this->getY();
|
|
|
426 |
return "$scheme://$identity$host$path$encoded$fragment$coords";
|
|
|
427 |
}
|
|
|
428 |
|
|
|
429 |
/**
|
|
|
430 |
* Replaces unknown sections to turn a relative
|
|
|
431 |
* URL into an absolute one. The base URL can
|
|
|
432 |
* be either a string or a SimpleUrl object.
|
|
|
433 |
* @param string/SimpleUrl $base Base URL.
|
|
|
434 |
* @access public
|
|
|
435 |
*/
|
|
|
436 |
function makeAbsolute($base) {
|
|
|
437 |
if (! is_object($base)) {
|
|
|
438 |
$base = new SimpleUrl($base);
|
|
|
439 |
}
|
|
|
440 |
$scheme = $this->getScheme() ? $this->getScheme() : $base->getScheme();
|
|
|
441 |
if ($this->getHost()) {
|
|
|
442 |
$host = $this->getHost();
|
|
|
443 |
$port = $this->getPort() ? ':' . $this->getPort() : '';
|
|
|
444 |
$identity = $this->getIdentity() ? $this->getIdentity() . '@' : '';
|
|
|
445 |
if (! $identity) {
|
|
|
446 |
$identity = $base->getIdentity() ? $base->getIdentity() . '@' : '';
|
|
|
447 |
}
|
|
|
448 |
} else {
|
|
|
449 |
$host = $base->getHost();
|
|
|
450 |
$port = $base->getPort() ? ':' . $base->getPort() : '';
|
|
|
451 |
$identity = $base->getIdentity() ? $base->getIdentity() . '@' : '';
|
|
|
452 |
}
|
|
|
453 |
$path = $this->normalisePath($this->_extractAbsolutePath($base));
|
|
|
454 |
$encoded = $this->getEncodedRequest();
|
|
|
455 |
$fragment = $this->getFragment() ? '#'. $this->getFragment() : '';
|
|
|
456 |
$coords = $this->getX() === false ? '' : '?' . $this->getX() . ',' . $this->getY();
|
|
|
457 |
return new SimpleUrl("$scheme://$identity$host$port$path$encoded$fragment$coords");
|
|
|
458 |
}
|
|
|
459 |
|
|
|
460 |
/**
|
|
|
461 |
* Replaces unknown sections of the path with base parts
|
|
|
462 |
* to return a complete absolute one.
|
|
|
463 |
* @param string/SimpleUrl $base Base URL.
|
|
|
464 |
* @param string Absolute path.
|
|
|
465 |
* @access private
|
|
|
466 |
*/
|
|
|
467 |
function _extractAbsolutePath($base) {
|
|
|
468 |
if ($this->getHost()) {
|
|
|
469 |
return $this->_path;
|
|
|
470 |
}
|
|
|
471 |
if (! $this->_isRelativePath($this->_path)) {
|
|
|
472 |
return $this->_path;
|
|
|
473 |
}
|
|
|
474 |
if ($this->_path) {
|
|
|
475 |
return $base->getBasePath() . $this->_path;
|
|
|
476 |
}
|
|
|
477 |
return $base->getPath();
|
|
|
478 |
}
|
|
|
479 |
|
|
|
480 |
/**
|
|
|
481 |
* Simple test to see if a path part is relative.
|
|
|
482 |
* @param string $path Path to test.
|
|
|
483 |
* @return boolean True if starts with a "/".
|
|
|
484 |
* @access private
|
|
|
485 |
*/
|
|
|
486 |
function _isRelativePath($path) {
|
|
|
487 |
return (substr($path, 0, 1) != '/');
|
|
|
488 |
}
|
|
|
489 |
|
|
|
490 |
/**
|
|
|
491 |
* Extracts the username and password for use in rendering
|
|
|
492 |
* a URL.
|
|
|
493 |
* @return string/boolean Form of username:password or false.
|
|
|
494 |
* @access public
|
|
|
495 |
*/
|
|
|
496 |
function getIdentity() {
|
|
|
497 |
if ($this->_username && $this->_password) {
|
|
|
498 |
return $this->_username . ':' . $this->_password;
|
|
|
499 |
}
|
|
|
500 |
return false;
|
|
|
501 |
}
|
|
|
502 |
|
|
|
503 |
/**
|
|
|
504 |
* Replaces . and .. sections of the path.
|
|
|
505 |
* @param string $path Unoptimised path.
|
|
|
506 |
* @return string Path with dots removed if possible.
|
|
|
507 |
* @access public
|
|
|
508 |
*/
|
|
|
509 |
function normalisePath($path) {
|
|
|
510 |
$path = preg_replace('|/[^/]+/\.\./|', '/', $path);
|
|
|
511 |
return preg_replace('|/\./|', '/', $path);
|
|
|
512 |
}
|
|
|
513 |
|
|
|
514 |
/**
|
|
|
515 |
* A pipe seperated list of all TLDs that result in two part
|
|
|
516 |
* domain names.
|
|
|
517 |
* @return string Pipe separated list.
|
|
|
518 |
* @access public
|
|
|
519 |
* @static
|
|
|
520 |
*/
|
|
|
521 |
static function getAllTopLevelDomains() {
|
|
|
522 |
return 'com|edu|net|org|gov|mil|int|biz|info|name|pro|aero|coop|museum';
|
|
|
523 |
}
|
|
|
524 |
}
|
|
|
525 |
?>
|