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https://github.com/BeitDina/AutoIndex.git
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version 2.4.5
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orynider
233
classes/ConfigData.php
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233
classes/ConfigData.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) 2002-2005 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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* Reads information stored in files, where the key and data are separated by a
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* tab.
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*
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* @author Justin Hagstrom <JustinHagstrom@yahoo.com>
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* @version 1.0.2 (January 13, 2005)
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* @package AutoIndex
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*/
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class ConfigData implements Iterator
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{
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/**
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* @var array A list of all the settings
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*/
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private $config;
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/**
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* @var string The name of the file to read the settings from
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*/
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private $filename;
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//begin implementation of Iterator
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/**
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* @var bool
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*/
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private $valid;
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/**
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* @return string
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*/
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public function current()
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{
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return current($this -> config);
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}
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/**
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* Increments the internal array pointer, and returns the new value.
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*
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* @return string
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*/
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public function next()
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{
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$t = next($this -> config);
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if ($t === false)
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{
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$this -> valid = false;
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}
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return $t;
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}
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/**
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* Sets the internal array pointer to the beginning.
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*/
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public function rewind()
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{
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reset($this -> config);
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}
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/**
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* @return bool
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*/
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public function valid()
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{
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return $this -> valid;
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}
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/**
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* @return string
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*/
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public function key()
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{
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return key($this -> config);
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}
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//end implementation of Iterator
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/**
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* @param string $line The line to test
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* @return bool True if $line starts with characters that mean it is a comment
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*/
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public static function line_is_comment($line)
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{
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$line = trim($line);
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return (($line == '') || preg_match('@^(//|<\?|\?>|/\*|\*/|#)@', $line));
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}
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/**
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* @param string $file The filename to read the data from
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*/
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public function __construct($file)
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{
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if ($file === false)
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{
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return;
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}
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$this -> valid = true;
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$this -> filename = $file;
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$contents = @file($file);
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if ($contents === false)
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{
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throw new ExceptionFatal('Error reading file <em>'
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. Url::html_output($file) . '</em>');
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}
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foreach ($contents as $i => $line)
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{
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$line = rtrim($line, "\r\n");
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if (self::line_is_comment($line))
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{
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continue;
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}
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$parts = explode("\t", $line, 2);
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if (count($parts) !== 2 || $parts[0] == '' || $parts[1] == '')
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{
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throw new ExceptionFatal('Incorrect format for file <em>'
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. Url::html_output($file) . '</em> on line ' . ($i + 1)
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. '.<br />Format is "variable name[tab]value"');
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}
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if (isset($this -> config[$parts[0]]))
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{
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throw new ExceptionFatal('Error in <em>'
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. Url::html_output($file) . '</em> on line ' . ($i + 1)
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. '.<br />' . Url::html_output($parts[0])
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. ' is already defined.');
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}
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$this -> config[$parts[0]] = $parts[1];
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}
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}
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/**
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* $config[$key] will be set to $info.
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*
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* @param string $key
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* @param string $info
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*/
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public function set($key, $info)
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{
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$this -> config[$key] = $info;
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}
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/**
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* This will look for the key $item, and add one to the $info (assuming
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* it is an integer).
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*
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* @param string $item The key to look for
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*/
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public function add_one($item)
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{
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if ($this -> is_set($item))
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{
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$h = @fopen($this -> filename, 'wb');
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if ($h === false)
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{
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throw new ExceptionFatal('Could not open file <em>'
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. Url::html_output($this -> filename)
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. '</em> for writing. Make sure PHP has write permission to this file.');
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}
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foreach ($this as $current_item => $count)
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{
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fwrite($h, "$current_item\t"
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. (($current_item == $item) ? ((int)$count + 1) : $count)
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. "\n");
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}
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}
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else
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{
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$h = @fopen($this -> filename, 'ab');
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if ($h === false)
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{
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throw new ExceptionFatal('Could not open file <em>'
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. $this -> filename . '</em> for writing.'
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. ' Make sure PHP has write permission to this file.');
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}
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fwrite($h, "$item\t1\n");
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}
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fclose($h);
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}
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/**
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* @param string $name The key to look for
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* @return bool True if $name is set
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*/
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public function is_set($name)
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{
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return isset($this -> config[$name]);
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}
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/**
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* @param string $name The key to look for
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* @return string The value $name points to
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*/
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public function __get($name)
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{
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if (isset($this -> config[$name]))
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{
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return $this -> config[$name];
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}
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throw new ExceptionFatal('Setting <em>' . Url::html_output($name)
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. '</em> is missing in file <em>'
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. Url::html_output($this -> filename) . '</em>.');
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}
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}
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?>
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