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<?php
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// $Id$
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/*
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 Website Baker Project <http://www.websitebaker.org/>
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 Copyright (C) 2004-2008, Ryan Djurovich
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 Website Baker 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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 Website Baker 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 Website Baker; 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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// direct access prevention
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defined('WB_PATH') OR die(header('Location: ../index.php'));
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// check if module language file exists for the language set by the user (e.g. DE, EN)
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if(!file_exists(WB_PATH .'/modules/captcha_control/languages/'.LANGUAGE .'.php')) {
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	// no module language file exists for the language set by the user, include default module language file EN.php
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	require_once(WB_PATH .'/modules/captcha_control/languages/EN.php');
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} else {
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	// a module language file exists for the language defined by the user, load it
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	require_once(WB_PATH .'/modules/captcha_control/languages/'.LANGUAGE .'.php');
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}
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$table = TABLE_PREFIX.'mod_captcha_control';
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// check if data was submitted
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if(isset($_POST['save_settings'])) {
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	// get configuration settings
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	$enabled_captcha = ($_POST['enabled_captcha'] == '1') ? '1' : '0';
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	$enabled_asp = ($_POST['enabled_asp'] == '1') ? '1' : '0';
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	$captcha_type = $admin->add_slashes($_POST['captcha_type']);
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	// update database settings
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	$database->query("UPDATE $table SET
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		enabled_captcha = '$enabled_captcha',
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		enabled_asp = '$enabled_asp',
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		captcha_type = '$captcha_type'
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	");
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	// save text-captchas
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	if($_POST['captcha_type'] == 'text') {
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		$text_qa=$_POST['text_qa'];
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		if(strpos($text_qa, '### example ###') === FALSE) {
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			$text_qa=$admin->add_slashes($text_qa);
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			if($fh = fopen(WB_PATH.'/temp/.captcha_text.txt', 'wb')) {
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				fwrite($fh, $text_qa);
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				fclose($fh);
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			}
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		}
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	}
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	// check if there is a database error, otherwise say successful
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	if($database->is_error()) {
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		$admin->print_error($database->get_error(), $js_back);
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	} else {
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		$admin->print_success($MESSAGE['PAGES']['SAVED'], ADMIN_URL.'/admintools/tool.php?tool=captcha_control');
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	}
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} else {
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	// include captcha-file
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	require_once(WB_PATH .'/include/captcha/captcha.php');
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	// load text-captchas
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	$text_qa='';
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	if(file_exists(WB_PATH.'/include/captcha/captchas/text.php')) {
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		if(file_exists(WB_PATH.'/temp/.captcha_text.txt')) {
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			@$content = file(WB_PATH.'/temp/.captcha_text.txt');
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			if($content!==FALSE) {
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				$text_qa = $admin->strip_slashes(implode('', $content));
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			}
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		}
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	}
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	if($text_qa == '')
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		$text_qa = $MOD_CAPTCHA_CONTROL['CAPTCHA_TEXT_DESC'];
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// script to load image
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?>
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<script type="text/javascript">
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	var pics = new Array();
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	pics["ttf_image"] = new Image();
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	pics["ttf_image"].src = "<?php echo WB_URL.'/include/captcha/captchas/ttf_image.png'?>";
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	pics["calc_image"] = new Image();
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	pics["calc_image"].src = "<?php echo WB_URL.'/include/captcha/captchas/calc_image.png'?>";
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	pics["calc_ttf_image"] = new Image();
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	pics["calc_ttf_image"].src = "<?php echo WB_URL.'/include/captcha/captchas/calc_ttf_image.png'?>";
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	pics["old_image"] = new Image();
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	pics["old_image"].src = "<?php echo WB_URL.'/include/captcha/captchas/old_image.png'?>";
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	pics["calc_text"] = new Image();
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	pics["calc_text"].src = "<?php echo WB_URL.'/include/captcha/captchas/calc_text.png'?>";
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	pics["text"] = new Image();
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	pics["text"].src = "<?php echo WB_URL.'/include/captcha/captchas/text.png'?>";
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	function load_captcha_image() {
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		document.captcha_example.src = pics[document.store_settings.captcha_type.value].src;
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		toggle_text_qa();
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	}
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	function toggle_text_qa() {
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		if(document.store_settings.captcha_type.value == 'text' ) {
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			document.getElementById('text_qa').style.display = '';
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		} else {
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			document.getElementById('text_qa').style.display = 'none';
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		}
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	}
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</script>
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<?php
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	// connect to database and read out captcha settings
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	if($query = $database->query("SELECT * FROM $table")) {
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		$data = $query->fetchRow();
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		$enabled_captcha = $data['enabled_captcha'];
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		$enabled_asp = $data['enabled_asp'];
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		$captcha_type = $admin->strip_slashes($data['captcha_type']);
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	} else {
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		// something went wrong, use dummy value
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		$enabled_captcha = '1';
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		$enabled_asp = '1';
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		$captcha_type = 'calc_text';
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	}
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	// write out heading
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	echo '<h2>' .$MOD_CAPTCHA_CONTROL['HEADING'] .'</h2>';
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	// output the form with values from the database
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	echo '<p>' .$MOD_CAPTCHA_CONTROL['HOWTO'] .'</p>';
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?>
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<form name="store_settings" action="<?php echo $_SERVER['REQUEST_URI']; ?>" method="post">
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	<table width="98%" cellspacing="0" cellpadding="5px" class="row_a">
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	<tr><td colspan="2"><strong><?php echo $MOD_CAPTCHA_CONTROL['CAPTCHA_CONF'];?>:</strong></td></tr>
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	<tr><td>
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		<table>
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			<tr height="50px">
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			<td><?php echo $MOD_CAPTCHA_CONTROL['CAPTCHA_TYPE'];?>:</td>
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			<td align="right" width="150px"><img name="captcha_example" id="captcha_example" src="<?php echo WB_URL.'/include/captcha/captchas/'.$captcha_type.'.png'?>" ></td>
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			</tr>
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		</table>
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		<td>
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			<select name="captcha_type" id="captcha_type" onchange="load_captcha_image()" style="width: 98%;">
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			<?php foreach($useable_captchas AS $key=>$text) {
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				echo "<option value=\"$key\" ".($captcha_type==$key?'selected':'').">$text</option>";
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			} ?>
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		</select>
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		</td>
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	</tr>
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	<tr id="text_qa" style="display:<?php if($captcha_type=='text') echo ''; else echo 'none'; ;?>;">
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		<td class="setting_name"><?php echo $MOD_CAPTCHA_CONTROL['CAPTCHA_ENTER_TEXT'];?>:</td>
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		<td class="setting_value" colspan="2">
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			<textarea name="text_qa" wrap="off" cols="50" rows="10"><?php echo $text_qa; ?></textarea>
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		</td>
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	</tr>
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	<tr>
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		<td><?php echo $MOD_CAPTCHA_CONTROL['USE_SIGNUP_CAPTCHA'];?>:</td>
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		<td>
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			<input type="radio" <?php echo ($enabled_captcha=='1') ?'checked="checked"' :'';?>
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				name="enabled_captcha" value="1"><?php echo $MOD_CAPTCHA_CONTROL['ENABLED'];?>
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			<input type="radio" <?php echo ($enabled_captcha=='0') ?'checked="checked"' :'';?>
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				name="enabled_captcha" value="0"><?php echo $MOD_CAPTCHA_CONTROL['DISABLED'];?>
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		</td>
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	</tr>
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	<tr><td>&nbsp;</td><td style="font-size:smaller;"><?php echo $MOD_CAPTCHA_CONTROL['CAPTCHA_EXP'];?></td></tr>
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	<tr><td colspan="2"><br /><strong><?php echo $MOD_CAPTCHA_CONTROL['ASP_CONF'];?>:</strong></td></tr>
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	<tr>
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		<td><?php echo $MOD_CAPTCHA_CONTROL['ASP_TEXT'];?>:</td>
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		<td>
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			<input type="radio" <?php echo ($enabled_asp=='1') ?'checked="checked"' :'';?>
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				name="enabled_asp" value="1"><?php echo $MOD_CAPTCHA_CONTROL['ENABLED'];?>
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			<input type="radio" <?php echo ($enabled_asp=='0') ?'checked="checked"' :'';?>
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				name="enabled_asp" value="0"><?php echo $MOD_CAPTCHA_CONTROL['DISABLED'];?>
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		</td>
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	</tr>
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	<tr><td>&nbsp;</td><td style="font-size:smaller;"><?php echo $MOD_CAPTCHA_CONTROL['ASP_EXP'];?></td></tr>
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	</table>
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	<input type="submit" name="save_settings" style="margin-top:10px; width:140px;" value="<?php echo $TEXT['SAVE']; ?>" />
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</form>
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<?php
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}
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?>