1: <?php
  2: 
  3: namespace webfilesframework\io\request;
  4: 
  5: /**
  6:  * description
  7:  *
  8:  * @author     Sebastian Monzel < mail@sebastianmonzel.de >
  9:  * @since      0.1.7
 10:  */
 11: class MUrl
 12: {
 13: 
 14:     private $url;
 15:     //parsed url splitted in:
 16:     //         PHP_URL_SCHEME,
 17:     //         PHP_URL_HOST,
 18:     //         PHP_URL_PORT,
 19:     //         PHP_URL_USER,
 20:     //         PHP_URL_PASS,
 21:     //         PHP_URL_PATH,
 22:     //         PHP_URL_QUERY and
 23:     //         PHP_URL_FRAGMENT
 24:     //
 25:     //@see http://php.net/manual/de/function.parse-url.php
 26: 
 27:     private $parsedUrlArray;
 28:     private $params;
 29: 
 30:     private static $instance = null;
 31: 
 32:     public function __construct($url)
 33:     {
 34:         $this->url = $url;
 35: 
 36:         //split url
 37:         $this->parsedUrlArray = parse_url($url);
 38: 
 39:         //split params
 40:         if (isset($this->parsedUrlArray['query'])) {
 41:             $query = $this->parsedUrlArray['query'];
 42:             $queryParts = explode("&", $query);
 43:             foreach ($queryParts as $value) {
 44:                 $paramParts = explode("=", $value);
 45:                 if (count($paramParts) == 2) {
 46:                     $key = $paramParts[0];
 47:                     $value = $paramParts[1];
 48:                     $this->params[$key] = $value;
 49:                 }
 50:             }
 51:         }
 52: 
 53:         //@todo verhalten dazuimplementieren, wenn urlteil nicht vorhanden sind. zum beispiel: fallback zu aufrufurl-teile
 54:     }
 55: 
 56:     /**
 57:      *
 58:      * Enter description here ...
 59:      * @return MUrl
 60:      */
 61:     public static function getInstance()
 62:     {
 63:         if (MUrl::$instance == null) {
 64:             MUrl::$instance = new MUrl($_SERVER["HTTP_HOST"] . $_SERVER["SCRIPT_NAME"] . "?" . $_SERVER['QUERY_STRING']);
 65:         }
 66:         return MUrl::$instance;
 67:     }
 68: 
 69:     public function getReferer()
 70:     {
 71:         return $_SERVER['HTTP_REFERER'];
 72:     }
 73: 
 74:     public function getFullUrl()
 75:     {
 76:         return $this->url;
 77:     }
 78: 
 79:     public function getParam($paramName)
 80:     {
 81:         if ($this->paramExists($paramName)) {
 82:             return urldecode($this->params[$paramName]);
 83:         } else {
 84:             return NULL;
 85:         }
 86: 
 87:     }
 88: 
 89:     /**
 90:      * Checks if the param exists in the query part of the url.
 91:      * @param MBoolean : true if param exists, false if not.
 92:      * @return bool
 93:      */
 94:     public function paramExists($paramName)
 95:     {
 96:         return isset($this->params[$paramName]);
 97:     }
 98: 
 99:     public function getParams()
100:     {
101:         return $this->params;
102:     }
103: 
104:     /**
105:      *
106:      * Enter description here ...
107:      */
108:     public function getPort()
109:     {
110:         return $this->parsedUrlArray['port'];
111:     }
112: 
113:     /**
114:      *
115:      * Enter description here ...
116:      */
117:     public function getQueryString()
118:     {
119:         if (isset($this->parsedUrlArray['query'])) {
120:             return $this->parsedUrlArray['query'];
121:         } else {
122:             return "";
123:         }
124:     }
125: 
126: 
127: }
128: