466 lines
12 KiB
PHP
466 lines
12 KiB
PHP
<?php
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// {{{ICINGA_LICENSE_HEADER}}}
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// {{{ICINGA_LICENSE_HEADER}}}
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namespace Icinga\Web;
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use Icinga\Application\Icinga;
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use Icinga\Cli\FakeRequest;
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use Icinga\Exception\ProgrammingError;
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use Icinga\Web\UrlParams;
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/**
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* Url class that provides convenient access to parameters, allows to modify query parameters and
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* returns Urls reflecting all changes made to the url and to the parameters.
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*
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* Direct instantiation is prohibited and should be done either with @see Url::fromRequest() or
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* @see Url::fromUrlString()
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*
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* Currently, protocol, host and port are ignored and will be implemented when required
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*/
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class Url
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{
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/**
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* An array of all parameters stored in this Url
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*
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* @var UrlParams
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*/
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protected $params;
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/**
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* The site anchor after the '#'
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*
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* @var string
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*/
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protected $anchor = '';
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/**
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* The relative path of this Url, without query parameters
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*
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* @var string
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*/
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protected $path = '';
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/**
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* The baseUrl that will be appended to @see Url::$path in order to
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* create an absolute Url
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*
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* @var string
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*/
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protected $baseUrl = '/';
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protected function __construct()
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{
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$this->params = UrlParams::fromQueryString(''); // TODO: ::create()
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}
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/**
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* Create a new Url class representing the current request
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*
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* If $params are given, those will be added to the request's parameters
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* and overwrite any existing parameters
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*
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* @param UrlParams|array $params Parameters that should additionally be considered for the url
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* @param Zend_Request $request A request to use instead of the default one
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*
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* @return Url
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*/
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public static function fromRequest($params = array(), $request = null)
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{
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if ($request === null) {
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$request = self::getRequest();
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}
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$url = new Url();
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$url->setPath($request->getPathInfo());
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// $urlParams = UrlParams::fromQueryString($request->getQuery());
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if (isset($_SERVER['QUERY_STRING'])) {
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$urlParams = UrlParams::fromQueryString($_SERVER['QUERY_STRING']);
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} else {
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$urlParams = UrlParams::fromQueryString('');
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foreach ($request->getQuery() as $k => $v) {
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$urlParams->set($k, $v);
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}
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}
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foreach ($params as $k => $v) {
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$urlParams->set($k, $v);
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}
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$url->setParams($urlParams);
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$url->setBaseUrl($request->getBaseUrl());
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return $url;
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}
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/**
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* Return a request object that should be used for determining the URL
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*
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* @return Zend_Abstract_Request
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*/
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protected static function getRequest()
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{
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$app = Icinga::app();
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if ($app->isCli()) {
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return new FakeRequest();
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} else {
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return $app->getFrontController()->getRequest();
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}
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}
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/**
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* Create a new Url class representing the given url
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*
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* If $params are given, those will be added to the urls parameters
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* and overwrite any existing parameters
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*
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* @param string $url The string representation of the url to parse
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* @param array $params An array of parameters that should additionally be considered for the url
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* @param Zend_Request $request A request to use instead of the default one
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*
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* @return Url
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*/
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public static function fromPath($url, array $params = array(), $request = null)
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{
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if ($request === null) {
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$request = self::getRequest();
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}
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if (!is_string($url)) {
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throw new ProgrammingError(
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'url "%s" is not a string',
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$url
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);
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}
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$urlObject = new Url();
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$baseUrl = $request->getBaseUrl();
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$urlObject->setBaseUrl($baseUrl);
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$urlParts = parse_url($url);
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if (isset($urlParts['path'])) {
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if ($baseUrl !== '' && strpos($urlParts['path'], $baseUrl) === 0) {
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$urlObject->setPath(substr($urlParts['path'], strlen($baseUrl)));
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} else {
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$urlObject->setPath($urlParts['path']);
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}
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}
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// TODO: This has been used by former filter implementation, remove it:
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if (isset($urlParts['query'])) {
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$params = UrlParams::fromQueryString($urlParts['query'])->mergeValues($params);
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}
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if (isset($urlParts['fragment'])) {
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$urlObject->setAnchor($urlParts['fragment']);
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}
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$urlObject->setParams($params);
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return $urlObject;
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}
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/**
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* Overwrite the baseUrl
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*
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* If an empty Url is given '/' is used as the base
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*
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* @param string $baseUrl The url path to use as the Url Base
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*
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* @return self
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*/
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public function setBaseUrl($baseUrl)
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{
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if (($baseUrl = rtrim($baseUrl, '/ ')) === '') {
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$baseUrl = '/';
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}
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$this->baseUrl = $baseUrl;
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return $this;
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}
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/**
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* Return the baseUrl set for this url
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*
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* @return string
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*/
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public function getBaseUrl()
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{
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return $this->baseUrl;
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}
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/**
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* Set the relative path of this url, without query parameters
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*
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* @param string $path The path to set
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*
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* @return self
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*/
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public function setPath($path)
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{
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$this->path = ltrim($path, '/');
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return $this;
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}
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/**
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* Return the relative path of this url, without query parameters
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*
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* If you want the relative path with query parameters use getRelativeUrl
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*
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* @return string
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*/
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public function getPath()
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{
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return $this->path;
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}
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/**
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* Return the relative url with query parameters as a string
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*
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* @return string
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*/
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public function getRelativeUrl($separator = '&')
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{
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if ($this->params->isEmpty()) {
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return $this->path . $this->anchor;
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} else {
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return $this->path . '?' . $this->params->toString($separator) . $this->anchor;
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}
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}
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public function setQueryString($queryString)
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{
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$this->params = UrlParams::fromQueryString($queryString);
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return $this;
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}
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public function getQueryString()
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{
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return (string) $this->params;
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}
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/**
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* Return the absolute url with query parameters as a string
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*
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* @return string
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*/
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public function getAbsoluteUrl($separator = '&')
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{
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return $this->baseUrl . ($this->baseUrl !== '/' ? '/' : '') . $this->getRelativeUrl($separator);
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}
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/**
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* Add a set of parameters to the query part if the keys don't exist yet
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*
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* @param array $params The parameters to add
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*
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* @return self
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*/
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public function addParams(array $params)
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{
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foreach ($params as $k => $v) {
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$this->params->add($k, $v);
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}
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return $this;
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}
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/**
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* Set and overwrite the given params if one if the same key already exists
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*
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* @param array $params The parameters to set
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*
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* @return self
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*/
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public function overwriteParams(array $params)
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{
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foreach ($params as $k => $v) {
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$this->params->set($k, $v);
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}
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return $this;
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}
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/**
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* Overwrite the parameters used in the query part
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*
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* @param UrlParams|array $params The new parameters to use for the query part
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*
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* @return self
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*/
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public function setParams($params)
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{
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if ($params instanceof UrlParams) {
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$this->params = $params;
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} elseif (is_array($params)) {
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$urlParams = UrlParams::fromQueryString('');
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foreach ($params as $k => $v) {
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$urlParams->set($k, $v);
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}
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$this->params = $urlParams;
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} else {
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throw new ProgrammingError(
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'Url params needs to be either an array or an UrlParams instance'
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);
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}
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return $this;
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}
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/**
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* Return all parameters that will be used in the query part
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*
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* @return UrlParams An instance of UrlParam containing all parameters
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*/
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public function getParams()
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{
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return $this->params;
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}
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/**
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* Return true if a urls' query parameter exists, otherwise false
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*
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* @param string $param The url parameter name to check
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*
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* @return bool
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*/
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public function hasParam($param)
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{
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return $this->params->has($param);
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}
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/**
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* Return a url's query parameter if it exists, otherwise $default
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*
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* @param string $param A query parameter name to return if existing
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* @param mixed $default A value to return when the parameter doesn't exist
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*
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* @return mixed
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*/
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public function getParam($param, $default = null)
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{
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return $this->params->get($param, $default);
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}
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/**
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* Set a single parameter, overwriting any existing one with the same name
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*
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* @param string $param The query parameter name
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* @param array|string $value An array or string to set as the parameter value
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*
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* @return self
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*/
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public function setParam($param, $value = true)
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{
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$this->params->set($param, $value);
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return $this;
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}
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/**
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* Set the url anchor-part
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*
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* @param string $anchor The site's anchor string without the '#'
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*
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* @return self
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*/
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public function setAnchor($anchor)
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{
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$this->anchor = '#' . $anchor;
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return $this;
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}
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/**
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* Remove provided key (if string) or keys (if array of string) from the query parameter array
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*
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* @param string|array $keyOrArrayOfKeys An array of strings or a string representing the key(s)
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* of the parameters to be removed
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* @return self
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*/
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public function remove($keyOrArrayOfKeys)
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{
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$this->params->remove($keyOrArrayOfKeys);
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return $this;
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}
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/**
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* Shift a query parameter from this URL if it exists, otherwise $default
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*
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* @param string $param Parameter name
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* @param mixed $default Default value in case $param does not exist
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*
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* @return mixed
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*/
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public function shift($param, $default = null)
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{
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return $this->params->shift($param, $default);
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}
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/**
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* Whether the given URL matches this URL object
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*
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* This does an exact match, parameters MUST be in the same order
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*
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* @param Url|string $url the URL to compare against
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*
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* @return bool whether the URL matches
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*/
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public function matches($url)
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{
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if (! $url instanceof Url) {
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$url = Url::fromPath($url);
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}
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return (string) $url === (string) $this;
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}
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/**
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* Return a copy of this url without the parameter given
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*
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* The argument can be either a single query parameter name or an array of parameter names to
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* remove from the query list
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*
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* @param string|array $keyOrArrayOfKeys A single string or an array containing parameter names
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*
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* @return Url
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*/
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public function getUrlWithout($keyOrArrayOfKeys)
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{
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return $this->without($keyOrArrayOfKeys);
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}
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public function without($keyOrArrayOfKeys)
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{
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$url = clone($this);
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$url->remove($keyOrArrayOfKeys);
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return $url;
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}
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/**
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* Return a copy of this url with the given parameter(s)
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*
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* The argument can be either a single query parameter name or an array of parameter names to
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* remove from the query list
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*
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* @param string|array $param A single string or an array containing parameter names
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* @param array $values an optional values array
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*
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* @return Url
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*/
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public function with($param, $values = null)
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{
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$url = clone($this);
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$url->params->mergeValues($param, $values);
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return $url;
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}
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public function __clone()
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{
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$this->params = clone $this->params;
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}
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/**
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* Alias for @see Url::getAbsoluteUrl()
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*
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* @return string
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*/
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public function __toString()
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{
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return $this->getAbsoluteUrl('&');
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}
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}
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