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https://github.com/BeitDina/AutoIndex.git
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version 2.4.5
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orynider
256
classes/DirectoryList.php
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256
classes/DirectoryList.php
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<?php
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/**
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* @package AutoIndex
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*
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* @copyright Copyright (C) 2002-2004 Justin Hagstrom
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* @license http://www.gnu.org/licenses/gpl.html GNU General Public License (GPL)
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*
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* @link http://autoindex.sourceforge.net
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*/
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/*
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AutoIndex PHP Script is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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AutoIndex PHP Script is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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if (!defined('IN_AUTOINDEX') || !IN_AUTOINDEX)
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{
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die();
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}
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/**
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* Maintains an array of all files and folders in a directory. Each entry is
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* stored as a string (the filename).
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*
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* @author Justin Hagstrom <JustinHagstrom@yahoo.com>
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* @version 1.0.1 (June 30, 2004)
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* @package AutoIndex
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*/
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class DirectoryList implements Iterator
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{
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/**
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* @var string The directory this object represents
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*/
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protected $dir_name;
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/**
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* @var array The list of filesname in this directory (strings)
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*/
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protected $contents;
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/**
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* @var int The size of the $contents array
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*/
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private $list_count;
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//begin implementation of Iterator
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/**
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* @var int $i is used to keep track of the current pointer inside the array when implementing Iterator
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*/
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private $i;
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/**
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* @return string The element $i currently points to in the array
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*/
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public function current()
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{
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if ($this -> i < count($this -> contents))
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{
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return $this -> contents[$this -> i];
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}
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return false;
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}
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/**
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* Increments the internal array pointer, then returns the value
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* at that new position.
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*
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* @return string The current position of the pointer in the array
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*/
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public function next()
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{
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$this -> i++;
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return $this -> current();
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}
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/**
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* Sets the internal array pointer to 0
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*/
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public function rewind()
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{
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$this -> i = 0;
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}
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/**
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* @return bool True if $i is a valid array index
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*/
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public function valid()
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{
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return ($this -> i < count($this -> contents));
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}
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/**
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* @return int Returns $i, the key of the array
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*/
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public function key()
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{
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return $this -> i;
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}
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//end implementation of Iterator
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/**
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* @return int The total size in bytes of the folder (recursive)
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*/
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public function size_recursive()
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{
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$total_size = 0;
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foreach ($this as $current)
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{
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$t = $this -> dir_name . $current;
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if (@is_dir($t))
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{
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if ($current != '..')
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{
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$temp = new DirectoryList($t);
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$total_size += $temp -> size_recursive();
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}
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}
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else
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{
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$total_size += @filesize($t);
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}
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}
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return $total_size;
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}
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/**
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* @return int The total number of files in this directory (recursive)
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*/
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public function num_files()
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{
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$count = 0;
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foreach ($this as $current)
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{
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$t = $this -> dir_name . $current;
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if (@is_dir($t))
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{
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if ($current != '..')
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{
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$temp = new DirectoryList($t);
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$count += $temp -> num_files();
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}
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}
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else
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{
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$count++;
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}
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}
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return $count;
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}
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/**
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* @param string $string The string to search for
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* @param array $array The array to search
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* @return bool True if $string matches any elements in $array
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*/
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public static function match_in_array($string, &$array)
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{
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$string = Item::get_basename($string);
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static $replace = array(
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'\*' => '[^\/]*',
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'\+' => '[^\/]+',
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'\?' => '[^\/]?');
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foreach ($array as $m)
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{
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if (preg_match('/^' . strtr(preg_quote(Item::get_basename($m), '/'), $replace) . '$/i', $string))
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{
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return true;
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}
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}
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return false;
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}
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/**
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* @param string $t The file or folder name
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* @param bool $is_file
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* @return bool True if $t is listed as a hidden file
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*/
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public static function is_hidden($t, $is_file = true)
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{
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$t = Item::get_basename($t);
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if ($t == '.' || $t == '')
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{
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return true;
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}
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global $you;
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if ($you -> level >= ADMIN)
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//allow admins to view hidden files
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{
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return false;
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}
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global $hidden_files, $show_only_these_files;
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if ($is_file && count($show_only_these_files))
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{
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return (!self::match_in_array($t, $show_only_these_files));
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}
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return self::match_in_array($t, $hidden_files);
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}
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/**
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* @param string $var The key to look for
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* @return mixed The data stored at the key
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*/
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public function __get($var)
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{
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if (isset($this -> $var))
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{
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return $this -> $var;
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}
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throw new ExceptionDisplay('Variable <em>' . Url::html_output($var)
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. '</em> not set in DirectoryList class.');
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}
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/**
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* @param string $path
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*/
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public function __construct($path)
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{
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$path = Item::make_sure_slash($path);
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if (!@is_dir($path))
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{
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throw new ExceptionDisplay('Directory <em>' . Url::html_output($path)
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. '</em> does not exist.');
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}
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$temp_list = @scandir($path);
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if ($temp_list === false)
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{
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throw new ExceptionDisplay('Error reading from directory <em>'
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. Url::html_output($path) . '</em>.');
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}
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$this -> dir_name = $path;
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$this -> contents = array();
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foreach ($temp_list as $t)
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{
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if (!self::is_hidden($t, !@is_dir($path . $t)))
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{
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$this -> contents[] = $t;
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}
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}
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$this -> list_count = count($this -> contents);
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$this -> i = 0;
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}
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}
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?>
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