Eric @ EricBess WebHome

  <? Php 
  ; echo "nnn Dirty ceļus: n"; 
  = 'C://////////Windows//////System' ; //  C:/System $ Ceļus [] = 'C :////////// Windows ////// System ", / / C: / System 
  = 'C:HTMLjavascript..examplescolors.html' ; //  C:/HTML/examples/colors.html $ Ceļus [] = 'C: HTMLjavascript .. examplescolors.html'; / / C: / HTML / piemēri / colors.html 
  = '/root/./wwwroot/scripts/../././webpage' ; //  /root/wwwroot/webpage $ Ceļus [] = '/ root /. / Wwwroot / skriptus / .. /. /. / Webpage'; / / / root / wwwroot / webpage 
  = 'wwwroot/webpage/../index.php?querystring' ; //  wwwroot/index.php?querystring $ Ceļus [] = 'wwwroot / webpage / .. / index.php? Querystring'; / / wwwroot / index.php? Querystring 
  = 'http://www.php.net/manual/en/../../downloads' ; //  http://www.php.net/downloads $ Ceļus [] = 'http://www.php.net/manual/en/../../downloads'; / / http://www.php.net/downloads 
  = 'http://www.php.net/downloads/test/test1/test2//./docs.php' ; //  http://www.php.net/docs.php $ Ceļus [] = 'http://www.php.net/downloads/test/test1/test2//./docs.php'; / / http://www.php.net/docs.php 
  = '../downloads/../docs.php' ; //  ../docs.php $ Ceļus [] = '.. / downloads / .. / docs.php'; / / .. / docs.php 
  = 'localhost//projetos/../_arquivos/../' ; //   "" $ Ceļus [] = 'localhost / / projetos / .. / _arquivos /../'; / / "" 
  = 'C:/downloads/../../../' ; //  C:/ $ Ceļus [] = 'C: / downloads /../../../'; / / C: / 
  = 'downloads/../../../' ; //  ../../ $ Ceļus [] = 'downloads /../../../'; / / ../../ 

  $paths as $path ) foreach ($ ceļus kā $ ceļā) 
  ( 
      . $path . "&quot;  =  &quot;" .  fixpath ( $path ) . "&quot;" ; echo "n" "." $ ceļš. "" = "". fixpath ($ ceļu). "" "; 
  ) 
  ?> 

  <? Php 
  $path = "" ) funkciju fixpath ($ ce = "") 
  ( 
      / / Veselība pārbaudīt 
      $path == "" ) { return false ; } if ($ ceļš == "") (atgriešanās viltus;) 

      / / Pārvērš visus "," uz "/", un dzēš tukšu telpu sākumā un beidzas ar string 
      trim ( preg_replace ( "/\/" , "/" , ( string ) $path ) ) ; $ Ce = nosvēršanās (preg_replace ( "/ \ /", "/", (string) $ ceļš)); 

      / * Pārtraukumi sākotnējā string in to daļām: "root" un "dir". 
      * "Root" var "C: /" (Windows), "/" (Linux) vai "http://www.something.com/" (URL). Tas būs sākuma izlaides virkni. 
      * "Dir" var "Windows / System", "root / html / piemēri /", "ietver / klasēm / class.validator.php" uc 
      * / 
      "/^(/|w:/|(http|ftp)s?://[^/]+/)?(.*)$/i" , $path , $matches ,  PREG_SET_ORDER ) ; preg_match_all ("/^(/| w: / | (http | ftp) s ?://[^/]+/)?(.*)$/ i ", $ ce, $ mači, PREG_SET_ORDER); 

      $matches [ 0 ] [ 1 ] ; $ Path_root = $ spēles [0] [1]; 
      $matches [ 0 ] [ 3 ] ; $ Path_dir = $ spēles [0] [3]; 

      / / Ja "dir" daļā ir viena vai vairākas slashes sākumā, dzēš visus. 
      preg_replace ( array ( "/^/+/" ) , array ( "" ) , $path_dir ) ; $ Path_dir = preg_replace (Array ("/^/+/"), Array ( ""), $ path_dir); 

      / / Pārtraukumi "dir" daļā par katru slīpsvītra 
      explode ( "/" , $path_dir ) ; $ Path_parts = eksplodēt ( "/", $ path_dir); 

      / / Izveido jaunu masīvu ar tiesībām ceļu. Katrs elements ir jauns dir (vai failu izbeigšanos, ja tāda ir), pēc kārtas. 
      $i = $j = 0 , $real_path_parts = array ( ) ; $i < count ( $path_parts ) ; $i ++ ) par ($ i = $ j = 0, $ real_path_parts = Array (); $ i <count ($ path_parts); $ i + +) 
      ( 
          $path_parts [ $i ] == '.' ) if ($ path_parts [$ i] == '. ") 
          ( 
              turpināšanu; 
          ) 
          $path_parts [ $i ] == '' ) && ( $i != ( count ( $path_parts ) - 1 ) ) ) cits if (($ path_parts [$ i] =='') & & ($ i! = (count ($ path_parts) - 1))) 
          ( 
        	  array ( ) ; $ Real_path_parts = Array (); 
        	  0 ; $ J = 0; 
        	  turpināšanu; 
           ) 
          $path_parts [ $i ] == '..' ) cits if ($ path_parts [$ i] =='..') 
          ( 
              isset ( $real_path_parts [ $j - 1 ] ) && $real_path_parts [ $j - 1 ] != '..' ) || ( $path_root != "" ) ) if ((isset ($ real_path_parts [$ j - 1]) & & $ real_path_parts [$ j - 1]! ='..') | | ($ path_root! = "")) 
              ( 
                  $real_path_parts ) ; array_pop ($ real_path_parts); 
                  $ J -; 
                  turpināšanu; 
              ) 
          ) 

          $real_path_parts , $path_parts [ $i ] ) ; array_push ($ real_path_parts, $ path_parts [$ i]); 
          $ J + +; 
      ) 
      . implode ( "/" , $real_path_parts ) ; atgriezties $ path_root. eksplodēt ( "/", $ real_path_parts); 
  ) 
  ?>