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<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\web;
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use Yii;
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use yii\base\Component;
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use yii\base\InvalidConfigException;
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use yii\caching\Cache;
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/**
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* UrlManager handles HTTP request parsing and creation of URLs based on a set of rules.
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*
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* UrlManager is configured as an application component in [[\yii\base\Application]] by default.
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* You can access that instance via `Yii::$app->urlManager`.
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*
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* You can modify its configuration by adding an array to your application config under `components`
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* as it is shown in the following example:
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*
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* ~~~
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* 'urlManager' => [
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* 'enablePrettyUrl' => true,
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* 'rules' => [
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* // your rules go here
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* ],
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* // ...
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* ]
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* ~~~
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*
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* @property string $baseUrl The base URL that is used by [[createUrl()]] to prepend to created URLs.
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* @property string $hostInfo The host info (e.g. "http://www.example.com") that is used by
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* [[createAbsoluteUrl()]] to prepend to created URLs.
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* @property string $scriptUrl The entry script URL that is used by [[createUrl()]] to prepend to created
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* URLs.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @since 2.0
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*/
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class UrlManager extends Component
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{
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/**
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* @var boolean whether to enable pretty URLs. Instead of putting all parameters in the query
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* string part of a URL, pretty URLs allow using path info to represent some of the parameters
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* and can thus produce more user-friendly URLs, such as "/news/Yii-is-released", instead of
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* "/index.php?r=news/view&id=100".
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*/
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public $enablePrettyUrl = false;
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/**
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* @var boolean whether to enable strict parsing. If strict parsing is enabled, the incoming
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* requested URL must match at least one of the [[rules]] in order to be treated as a valid request.
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* Otherwise, the path info part of the request will be treated as the requested route.
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* This property is used only when [[enablePrettyUrl]] is true.
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*/
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public $enableStrictParsing = false;
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/**
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* @var array the rules for creating and parsing URLs when [[enablePrettyUrl]] is true.
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* This property is used only if [[enablePrettyUrl]] is true. Each element in the array
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* is the configuration array for creating a single URL rule. The configuration will
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* be merged with [[ruleConfig]] first before it is used for creating the rule object.
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*
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* A special shortcut format can be used if a rule only specifies [[UrlRule::pattern|pattern]]
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* and [[UrlRule::route|route]]: `'pattern' => 'route'`. That is, instead of using a configuration
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* array, one can use the key to represent the pattern and the value the corresponding route.
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* For example, `'post/<id:\d+>' => 'post/view'`.
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*
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* For RESTful routing the mentioned shortcut format also allows you to specify the
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* [[UrlRule::verb|HTTP verb]] that the rule should apply for.
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* You can do that by prepending it to the pattern, separated by space.
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* For example, `'PUT post/<id:\d+>' => 'post/update'`.
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* You may specify multiple verbs by separating them with comma
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* like this: `'POST,PUT post/index' => 'post/create'`.
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* The supported verbs in the shortcut format are: GET, HEAD, POST, PUT, PATCH and DELETE.
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* Note that [[UrlRule::mode|mode]] will be set to PARSING_ONLY when specifying verb in this way
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* so you normally would not specify a verb for normal GET request.
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*
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* Here is an example configuration for RESTful CRUD controller:
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*
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* ~~~php
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* [
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* 'dashboard' => 'site/index',
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*
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* 'POST <controller:\w+>s' => '<controller>/create',
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* '<controller:\w+>s' => '<controller>/index',
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*
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* 'PUT <controller:\w+>/<id:\d+>' => '<controller>/update',
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* 'DELETE <controller:\w+>/<id:\d+>' => '<controller>/delete',
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* '<controller:\w+>/<id:\d+>' => '<controller>/view',
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* ];
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* ~~~
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*
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* Note that if you modify this property after the UrlManager object is created, make sure
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* you populate the array with rule objects instead of rule configurations.
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*/
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public $rules = [];
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/**
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* @var string the URL suffix used when in 'path' format.
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* For example, ".html" can be used so that the URL looks like pointing to a static HTML page.
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* This property is used only if [[enablePrettyUrl]] is true.
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*/
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public $suffix;
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/**
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* @var boolean whether to show entry script name in the constructed URL. Defaults to true.
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* This property is used only if [[enablePrettyUrl]] is true.
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*/
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public $showScriptName = true;
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/**
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* @var string the GET parameter name for route. This property is used only if [[enablePrettyUrl]] is false.
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*/
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public $routeParam = 'r';
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/**
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* @var Cache|string the cache object or the application component ID of the cache object.
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* Compiled URL rules will be cached through this cache object, if it is available.
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*
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* After the UrlManager object is created, if you want to change this property,
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* you should only assign it with a cache object.
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* Set this property to false if you do not want to cache the URL rules.
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*/
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public $cache = 'cache';
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/**
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* @var array the default configuration of URL rules. Individual rule configurations
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* specified via [[rules]] will take precedence when the same property of the rule is configured.
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*/
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public $ruleConfig = ['class' => 'yii\web\UrlRule'];
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private $_baseUrl;
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private $_scriptUrl;
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private $_hostInfo;
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/**
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* Initializes UrlManager.
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*/
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public function init()
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{
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parent::init();
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if (!$this->enablePrettyUrl || empty($this->rules)) {
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return;
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}
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if (is_string($this->cache)) {
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$this->cache = Yii::$app->get($this->cache, false);
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}
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if ($this->cache instanceof Cache) {
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$cacheKey = __CLASS__;
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$hash = md5(json_encode($this->rules));
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if (($data = $this->cache->get($cacheKey)) !== false && isset($data[1]) && $data[1] === $hash) {
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$this->rules = $data[0];
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} else {
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$this->rules = $this->buildRules($this->rules);
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$this->cache->set($cacheKey, [$this->rules, $hash]);
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}
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} else {
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$this->rules = $this->buildRules($this->rules);
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}
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}
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/**
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* Adds additional URL rules.
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*
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* This method will call [[buildRules()]] to parse the given rule declarations and then append or insert
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* them to the existing [[rules]].
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*
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* Note that if [[enablePrettyUrl]] is false, this method will do nothing.
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*
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* @param array $rules the new rules to be added. Each array element represents a single rule declaration.
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* Please refer to [[rules]] for the acceptable rule format.
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* @param boolean $append whether to add the new rules by appending them to the end of the existing rules.
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*/
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public function addRules($rules, $append = true)
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{
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if (!$this->enablePrettyUrl) {
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return;
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}
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$rules = $this->buildRules($rules);
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if ($append) {
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$this->rules = array_merge($this->rules, $rules);
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} else {
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$this->rules = array_merge($rules, $this->rules);
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}
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}
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/**
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* Builds URL rule objects from the given rule declarations.
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* @param array $rules the rule declarations. Each array element represents a single rule declaration.
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* Please refer to [[rules]] for the acceptable rule formats.
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* @return UrlRuleInterface[] the rule objects built from the given rule declarations
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* @throws InvalidConfigException if a rule declaration is invalid
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*/
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protected function buildRules($rules)
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{
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$compiledRules = [];
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$verbs = 'GET|HEAD|POST|PUT|PATCH|DELETE|OPTIONS';
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foreach ($rules as $key => $rule) {
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if (is_string($rule)) {
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$rule = ['route' => $rule];
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if (preg_match("/^((?:($verbs),)*($verbs))\\s+(.*)$/", $key, $matches)) {
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$rule['verb'] = explode(',', $matches[1]);
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// rules that do not apply for GET requests should not be use to create urls
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if (!in_array('GET', $rule['verb'])) {
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$rule['mode'] = UrlRule::PARSING_ONLY;
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}
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$key = $matches[4];
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}
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$rule['pattern'] = $key;
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}
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if (is_array($rule)) {
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$rule = Yii::createObject(array_merge($this->ruleConfig, $rule));
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}
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if (!$rule instanceof UrlRuleInterface) {
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throw new InvalidConfigException('URL rule class must implement UrlRuleInterface.');
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}
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$compiledRules[] = $rule;
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}
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return $compiledRules;
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}
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/**
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* Parses the user request.
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* @param Request $request the request component
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* @return array|boolean the route and the associated parameters. The latter is always empty
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* if [[enablePrettyUrl]] is false. False is returned if the current request cannot be successfully parsed.
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*/
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public function parseRequest($request)
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{
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if ($this->enablePrettyUrl) {
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$pathInfo = $request->getPathInfo();
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/* @var $rule UrlRule */
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foreach ($this->rules as $rule) {
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if (($result = $rule->parseRequest($this, $request)) !== false) {
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return $result;
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}
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}
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if ($this->enableStrictParsing) {
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return false;
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}
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Yii::trace('No matching URL rules. Using default URL parsing logic.', __METHOD__);
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$suffix = (string) $this->suffix;
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if ($suffix !== '' && $pathInfo !== '') {
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$n = strlen($this->suffix);
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if (substr_compare($pathInfo, $this->suffix, -$n, $n) === 0) {
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$pathInfo = substr($pathInfo, 0, -$n);
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if ($pathInfo === '') {
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// suffix alone is not allowed
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return false;
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}
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} else {
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// suffix doesn't match
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return false;
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}
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}
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return [$pathInfo, []];
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} else {
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Yii::trace('Pretty URL not enabled. Using default URL parsing logic.', __METHOD__);
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$route = $request->getQueryParam($this->routeParam, '');
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if (is_array($route)) {
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$route = '';
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}
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return [(string) $route, []];
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}
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}
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/**
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* Creates a URL using the given route and query parameters.
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*
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* You may specify the route as a string, e.g., `site/index`. You may also use an array
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* if you want to specify additional query parameters for the URL being created. The
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* array format must be:
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*
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* ```php
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* // generates: /index.php?r=site/index¶m1=value1¶m2=value2
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* ['site/index', 'param1' => 'value1', 'param2' => 'value2']
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* ```
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*
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* If you want to create a URL with an anchor, you can use the array format with a `#` parameter.
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* For example,
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*
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* ```php
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* // generates: /index.php?r=site/index¶m1=value1#name
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* ['site/index', 'param1' => 'value1', '#' => 'name']
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* ```
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*
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* The URL created is a relative one. Use [[createAbsoluteUrl()]] to create an absolute URL.
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*
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* Note that unlike [[\yii\helpers\Url::toRoute()]], this method always treats the given route
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* as an absolute route.
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*
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* @param string|array $params use a string to represent a route (e.g. `site/index`),
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* or an array to represent a route with query parameters (e.g. `['site/index', 'param1' => 'value1']`).
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* @return string the created URL
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*/
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public function createUrl($params)
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{
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$params = (array) $params;
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$anchor = isset($params['#']) ? '#' . $params['#'] : '';
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unset($params['#'], $params[$this->routeParam]);
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$route = trim($params[0], '/');
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unset($params[0]);
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$baseUrl = $this->showScriptName || !$this->enablePrettyUrl ? $this->getScriptUrl() : $this->getBaseUrl();
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if ($this->enablePrettyUrl) {
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/* @var $rule UrlRule */
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foreach ($this->rules as $rule) {
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if (($url = $rule->createUrl($this, $route, $params)) !== false) {
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if (strpos($url, '://') !== false) {
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if ($baseUrl !== '' && ($pos = strpos($url, '/', 8)) !== false) {
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return substr($url, 0, $pos) . $baseUrl . substr($url, $pos);
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} else {
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return $url . $baseUrl . $anchor;
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}
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} else {
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return "$baseUrl/{$url}{$anchor}";
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}
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}
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}
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if ($this->suffix !== null) {
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$route .= $this->suffix;
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}
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if (!empty($params) && ($query = http_build_query($params)) !== '') {
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$route .= '?' . $query;
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}
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return "$baseUrl/{$route}{$anchor}";
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} else {
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$url = "$baseUrl?{$this->routeParam}=" . urlencode($route);
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if (!empty($params) && ($query = http_build_query($params)) !== '') {
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$url .= '&' . $query;
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}
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return $url . $anchor;
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}
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}
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/**
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* Creates an absolute URL using the given route and query parameters.
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*
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* This method prepends the URL created by [[createUrl()]] with the [[hostInfo]].
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*
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* Note that unlike [[\yii\helpers\Url::toRoute()]], this method always treats the given route
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* as an absolute route.
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*
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* @param string|array $params use a string to represent a route (e.g. `site/index`),
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* or an array to represent a route with query parameters (e.g. `['site/index', 'param1' => 'value1']`).
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* @param string $scheme the scheme to use for the url (either `http` or `https`). If not specified
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* the scheme of the current request will be used.
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|
|
|
* @return string the created URL
|
|
|
|
* @see createUrl()
|
|
|
|
*/
|
|
|
|
public function createAbsoluteUrl($params, $scheme = null)
|
|
|
|
{
|
|
|
|
$params = (array) $params;
|
|
|
|
$url = $this->createUrl($params);
|
|
|
|
if (strpos($url, '://') === false) {
|
|
|
|
$url = $this->getHostInfo() . $url;
|
|
|
|
}
|
|
|
|
if (is_string($scheme) && ($pos = strpos($url, '://')) !== false) {
|
|
|
|
$url = $scheme . substr($url, $pos);
|
|
|
|
}
|
|
|
|
|
|
|
|
return $url;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Returns the base URL that is used by [[createUrl()]] to prepend to created URLs.
|
|
|
|
* It defaults to [[Request::baseUrl]].
|
|
|
|
* This is mainly used when [[enablePrettyUrl]] is true and [[showScriptName]] is false.
|
|
|
|
* @return string the base URL that is used by [[createUrl()]] to prepend to created URLs.
|
|
|
|
* @throws InvalidConfigException if running in console application and [[baseUrl]] is not configured.
|
|
|
|
*/
|
|
|
|
public function getBaseUrl()
|
|
|
|
{
|
|
|
|
if ($this->_baseUrl === null) {
|
|
|
|
$request = Yii::$app->getRequest();
|
|
|
|
if ($request instanceof Request) {
|
|
|
|
$this->_baseUrl = $request->getBaseUrl();
|
|
|
|
} else {
|
|
|
|
throw new InvalidConfigException('Please configure UrlManager::baseUrl correctly as you are running a console application.');
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return $this->_baseUrl;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Sets the base URL that is used by [[createUrl()]] to prepend to created URLs.
|
|
|
|
* This is mainly used when [[enablePrettyUrl]] is true and [[showScriptName]] is false.
|
|
|
|
* @param string $value the base URL that is used by [[createUrl()]] to prepend to created URLs.
|
|
|
|
*/
|
|
|
|
public function setBaseUrl($value)
|
|
|
|
{
|
|
|
|
$this->_baseUrl = rtrim($value, '/');
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Returns the entry script URL that is used by [[createUrl()]] to prepend to created URLs.
|
|
|
|
* It defaults to [[Request::scriptUrl]].
|
|
|
|
* This is mainly used when [[enablePrettyUrl]] is false or [[showScriptName]] is true.
|
|
|
|
* @return string the entry script URL that is used by [[createUrl()]] to prepend to created URLs.
|
|
|
|
* @throws InvalidConfigException if running in console application and [[scriptUrl]] is not configured.
|
|
|
|
*/
|
|
|
|
public function getScriptUrl()
|
|
|
|
{
|
|
|
|
if ($this->_scriptUrl === null) {
|
|
|
|
$request = Yii::$app->getRequest();
|
|
|
|
if ($request instanceof Request) {
|
|
|
|
$this->_scriptUrl = $request->getScriptUrl();
|
|
|
|
} else {
|
|
|
|
throw new InvalidConfigException('Please configure UrlManager::scriptUrl correctly as you are running a console application.');
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return $this->_scriptUrl;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Sets the entry script URL that is used by [[createUrl()]] to prepend to created URLs.
|
|
|
|
* This is mainly used when [[enablePrettyUrl]] is false or [[showScriptName]] is true.
|
|
|
|
* @param string $value the entry script URL that is used by [[createUrl()]] to prepend to created URLs.
|
|
|
|
*/
|
|
|
|
public function setScriptUrl($value)
|
|
|
|
{
|
|
|
|
$this->_scriptUrl = $value;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Returns the host info that is used by [[createAbsoluteUrl()]] to prepend to created URLs.
|
|
|
|
* @return string the host info (e.g. "http://www.example.com") that is used by [[createAbsoluteUrl()]] to prepend to created URLs.
|
|
|
|
* @throws InvalidConfigException if running in console application and [[hostInfo]] is not configured.
|
|
|
|
*/
|
|
|
|
public function getHostInfo()
|
|
|
|
{
|
|
|
|
if ($this->_hostInfo === null) {
|
|
|
|
$request = Yii::$app->getRequest();
|
|
|
|
if ($request instanceof \yii\web\Request) {
|
|
|
|
$this->_hostInfo = $request->getHostInfo();
|
|
|
|
} else {
|
|
|
|
throw new InvalidConfigException('Please configure UrlManager::hostInfo correctly as you are running a console application.');
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return $this->_hostInfo;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Sets the host info that is used by [[createAbsoluteUrl()]] to prepend to created URLs.
|
|
|
|
* @param string $value the host info (e.g. "http://www.example.com") that is used by [[createAbsoluteUrl()]] to prepend to created URLs.
|
|
|
|
*/
|
|
|
|
public function setHostInfo($value)
|
|
|
|
{
|
|
|
|
$this->_hostInfo = rtrim($value, '/');
|
|
|
|
}
|
|
|
|
}
|