/n3u.php

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<?php 
	/**
		n3u Niche Store - Custom Niche PHP Script
		Copyright (C) 2012-2014 n3u.com

		This program is free software: you can redistribute it and/or modify
		it under the terms of the GNU General Public License as published by
		the Free Software Foundation, either version 3 of the License, or
		(at your option) any later version.

		This program is distributed in the hope that it will be useful,
		but WITHOUT ANY WARRANTY; without even the implied warranty of
		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
		GNU General Public License for more details.

		You should have received a copy of the GNU General Public License
		along with this program. If not, see <http://www.gnu.org/licenses/>
	**/
	if(!defined('n3u')){die('Direct access is not permitted.');} // Is n3u defined?
	// Get required files and execute required functions in order
	require_once('Prosperent_Api.php'); // The Prosperent Api library

	$n3u_ServerVars = $_SERVER;
	n3u_Input(); // Gets and filters input data
	n3u_Config(); // Gets and filters config data
	$n3u_PostVars = $_POST;
	n3u_Defaults(); // Checks that defaults are set, if not sets them.
//	
	session_start(); // Check Sessions
	if(isset($_SESSION['username']) && isset($_SESSION['password'])){
		if($_SESSION['username'] == md5($n3u_configVars['username']) && $_SESSION['password'] == md5($n3u_configVars['password'])){
			define('admin',TRUE);	
		}else{
			session_start();
			$_SESSION = array();
			session_destroy();
			header('Location: index.php?x=login');
			exit;
		}
	}
	require_once($n3u_configVars['language_dir'] . 'language.php'); // Get the Language
	n3u_ErrorChecker(); // Check for errors
	n3u_CheckCache(); // Check for cache cleanup routines
	n3u_BlockConfig();
	/**
		n3u_AdditionalStores() looks for additional stores pointed to the same 
		installation of n3u Niche Store. This is done by looking for domain 
		configuration files.
	**/
	function n3u_AdditionalStores($page_limit = NULL){ // Returns array of Custom pages
		$n3u_AdditionalStores = array();
		$i = 1;
		foreach(glob("*_config.php") as $n3u_additional_store){
			if(preg_match('/_block/i', $n3u_additional_store) != TRUE){
				$n3u_additional_storename = str_replace('_config.php','',$n3u_additional_store);
				$n3u_AdditionalStores[$i]['name'] = $n3u_additional_storename;
				$n3u_AdditionalStores[$i]['path'] = $n3u_additional_store;
				$n3u_AdditionalStores[$i]['url'] = 'http://'. $n3u_additional_storename;
				if($page_limit == NULL){ // limits pages returned if specified
					$i++;
				}elseif($page_limit > $i){
					$i++;
				}
			}
		} // finds all custom pages in templates custom directory, builds array
		unset($page_limit,$n3u_additional_store,$n3u_additional_storename,$i);
		return $n3u_AdditionalStores;
	}
	function n3u_AutoLinker($text=NULL){
		global $n3u_configVars;
		$matches=NULL;
		preg_match_all("/(http|https|ftp|ftps)\:\/\/[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(\/\S*)?/",$text,$matches);
		if(isset($matches) && $matches != NULL){
			foreach($matches[0] as $match){
				// preprint_r($match);
				// $text=str_replace($match,'<a href="' . $match . '" target="_blank" title="External Link"> ' . ($match) . '</a>',$text);
				
				if($n3u_configVars['CleanUrls'] == TRUE){
					$text=str_replace($match,'<a class="ExternalLink" href="go/'.base64_encode(urlencode($match)) . '.htm" rel="nofollow" target="_blank" title="External Link"> ' . ($match) . '</a>',$text);
				}else{
					$text=str_replace($match,'<a class="ExternalLink" href="' . $n3u_configVars['self'] . '?x=go&amp;url=' . base64_encode(urlencode($match)) . '" rel="nofollow" target="_blank" title="External Link"> ' . ($match) . '</a>',$text);
				}
			}
			return $text;
		}
	}
	/**
		n3u_Block() is used to restrive individual blocks. If $block_area is 
		specified, n3u_Block() will only look in that position. If TRUE is
		passed as a 2nd option, A list will be returned instead.
	**/
	function n3u_BlockSort($a,$b){
		return $a['SortOrder'] - $b['SortOrder'];
	}
	function n3u_Block($block_area='*',$list=FALSE){
		global $n3u_blockData;
		global $n3u_configVars;
		global $n3u_inputVars;
		global $n3u_lang;
		global $n3u_results;
		global $n3u_PostVars;
		global $n3u_ServerVars;
		global $prosperentApi;
		// preprint_r($n3u_blockData);
		if($list == FALSE){
			$Blocks = array();
			foreach($n3u_blockData as $BlockNameKey => $BlockArrayValue){
		//		preprint_r($BlockArrayValue);
				$n3u_position = $BlockArrayValue['Position'];
				if($n3u_position == $block_area){ // If correct Position
					$Blocks[$BlockNameKey] = array('Path' => $BlockArrayValue['Path'],'Position' => $BlockArrayValue['Position'], 'SortOrder' => $BlockArrayValue['SortOrder']);
				}
				unset($n3u_position);
			}
			$reverse_blockData = $Blocks;
			krsort($reverse_blockData); // Reverse Order by keyname so that usort sorts by correct order
			usort($reverse_blockData, 'n3u_BlockSort'); // Call n3u_BlockSort Function to sort by SortOrder
			foreach($reverse_blockData as $Block){
				$n3u_position = $Block['Position'];
				require_once $Block['Path'];
				unset($n3u_position);
			}
	//		preprint_r($reverse_blockData);
		}elseif($list == TRUE){
			$n3u_BlockList = array();
			$block_name = '*';
			$block_filename = 'block_*.php';
			foreach($n3u_blockData as $BlockNameKey => $BlockArrayValue){
				list($block_dir,$BlockArrayValue['Position'],$BlockNameKey,$block_filename) = explode('/', $filepath);
				$n3u_BlockList[$BlockNameKey]['filename'] = $BlockNameKey;
				$n3u_BlockList[$BlockNameKey]['Path'] = $BlockArrayValue['Path'];
				$n3u_BlockList[$BlockNameKey]['Position'] = $BlockArrayValue['Position'];
				if(is_numeric($block_name[0])){
					$n3u_BlockList[$BlockNameKey]['SortOrder'] = $block_name[0];
				}else{
					$n3u_BlockList[$BlockNameKey]['SortOrder'] = NULL;
				}
			}
			unset($block_area,$block_dir,$block_filename,$block_name);
	//		preprint_r($blocklist);
			return $n3u_BlockList;
		}
	}
	/**
		n3u_Block() is used to restrive individual blocks. If $block_area is 
		specified, n3u_Block() will only look in that position. If TRUE is
		passed as a 2nd option, A list will be returned instead.
	**/
	function n3u_BlockConfig(){
		global $n3u_blockData;
		global $n3u_configVars;
		global $n3u_inputVars;
		global $n3u_lang;
		global $n3u_results;
		global $n3u_PostVars;
		global $n3u_ServerVars;
		global $prosperentApi;
		$url = n3u_HTTP_Host();
	//	if(file_exists($url['host'].'_config.php')){require_once($url['host'].'_config.php');}
		if(file_exists($n3u_configVars['include_dir'] . 'configs/' . $url['host'] . '_block_config.php')){ // Use existing but check for new
			require_once($n3u_configVars['include_dir'] . 'configs/' . $url['host'] . '_block_config.php');
			foreach($n3u_blockData as $BlockName => $BlockArray){
				if(!file_exists($BlockArray['Path'])){ // Check to see if path is no longer valid. If so unset data.
					unset($n3u_blockData[$BlockName]);
				//	preprint_r($BlockArray);
					n3u_WriteBlockConfig();
				}
			}
			$folderlist = glob($n3u_configVars['blocks_dir'] . "*",GLOB_ONLYDIR);
			foreach($folderlist as $folderpath){
				$name = str_replace($n3u_configVars['blocks_dir'],'',$folderpath);
				if(!isset($n3u_blockData[$name]) || $n3u_blockData[$name] == NULL){
					$n3u_blockData[$name] = array(
						'Path' => $n3u_configVars['blocks_dir'] . $name . '/block_'.strtolower($name).'.php',
						'Position' => '#disabled',
						'SortOrder' => '3',
					);
					n3u_WriteBlockConfig();
				}
			}
			ksort($n3u_blockData);
	//		preprint_r($n3u_blockData);
		}else{ // Get new Block Data
			$n3u_blockData = array();
			$folderlist = glob($n3u_configVars['blocks_dir'] . "*",GLOB_ONLYDIR);
			foreach($folderlist as $folderpath){
				$name = str_replace($n3u_configVars['blocks_dir'],'',$folderpath);
				$n3u_blockData[$name] = array(
					'Path' => $n3u_configVars['blocks_dir'] . $name . '/block_'.strtolower($name).'.php',
					'Position' => '#disabled',
					'SortOrder' => '3',
				);
			}
			ksort($n3u_blockData);
		}
	//	preprint_r($n3u_blockData);

	//	n3u_WriteBlockConfig();
	//	preprint_r($n3u_BlockListArray);
		return $n3u_blockData;
	}
	function n3u_WriteBlockConfig($domainConfig=NULL){
		global $n3u_blockData;
		global $n3u_configVars;
		global $n3u_inputVars;
		global $n3u_lang;
		global $n3u_results;
		global $n3u_PostVars;
		global $n3u_ServerVars;
		global $prosperentApi;
		$url = n3u_HTTP_Host();
		if(!isset($domainConfig) || $domainConfig == NULL){
			$domainConfig = $n3u_configVars['include_dir'] . 'configs/' . $url['host'] . '_block_config.php';
		}
		$configFile = '<?php ' . PHP_EOL
		. "\t" . '/**' . PHP_EOL
		. n3u_GPL_Credits()
		. "\t\t" . 'n3u Niche Store - '.$url['host'].'_block_config.php' . PHP_EOL
		. "\t\t\t" . 'This configuration file maintains the data used for blocks.' . PHP_EOL
		. "\t\t\t" . 'It\'s best to configure Blocks directly from the Admin Panel' . PHP_EOL
		. "\t\t\t" . 'Don\'t use a \' character in any option unless you know how to escape properly.' . PHP_EOL
		. "\t\t\t" . 'Again it\'s best to use Admin Panel which is safer.' . PHP_EOL
		. "\t" . '**/' . PHP_EOL
		. "\t" . 'if(!defined(\'n3u\')){die(\'Direct access is not permitted.\');} // Is n3u defined?' . PHP_EOL
		. "\t" . '$n3u_blockData = array( // Visit the Blocks admin section to change settings.' . PHP_EOL;
	//	$BlockData = n3u_BlockConfig();
	//	preprint_r($BlockData);
		foreach($n3u_blockData as $Blockkey => $Blockvalue){
			$configFile .= "\t\t" . var_export($Blockkey,TRUE) . ' => ' . preg_replace(array('\'\s+\'','/\s*(?!<\")\/\*[^\*]+\*\/(?!\")\s*/','(,\),)'),array('','','),'),var_export($Blockvalue,TRUE) . ',') . PHP_EOL;
		}
		$configFile .= "\t" . '); // n3u Niche Store is brought to you by n3u.com' . PHP_EOL
		. '?>';
		$fp = fopen($domainConfig, "w");
		fwrite($fp, $configFile);
		fclose($fp);
		unset($configFile,$url);
	}
	/**
		n3u_CacheBegin() is used to start the caching process. If the admin is 
	    logged in, or if caching is disabled, This process does not start. If 
	    caching is enabled appropiate headers are sent to notify the browser to 
	    cache as well.
	**/
	function n3u_CacheBegin(){
		global $n3u_inputVars;
		global $n3u_configVars;
		global $n3u_cacheFile;
		global $n3u_ServerVars;
		$url = parse_url($n3u_ServerVars['HTTP_HOST']);
		if(!isset($url['host']) || $url['host'] == NULL){
			if(isset($url['path']) && $url['path'] != NULL){ // Check to see if host is classified as path
				$url['host'] = $url['path'];
			}elseif(isset($n3u_ServerVars['HTTP_ZONE_NAME']) && $n3u_ServerVars['HTTP_ZONE_NAME'] != NULL){ // Use HTTP_ZONE)NAME
				$url['host'] = $n3u_ServerVars['HTTP_ZONE_NAME'];
			}else{ // Use SiteURL
				$url['host'] = strtolower(str_replace('http://','',$n3u_configVars['SiteURL']));
			}
		}
		$n3u_cacheFile = $n3u_configVars['cache_dir'] .$url['host']. '/' . $n3u_inputVars['x'] . '_' . (md5(@$n3u_inputVars['m'] . '_' . @$n3u_inputVars['b'] . '_' . @urlencode($n3u_inputVars['q']) . '-' . @$n3u_inputVars['sort'] . '-' . @$n3u_inputVars['p'])) . '.htm';
		date_default_timezone_set('GMT'); // Sets the default timezone to use, browser headers require GMT.
		// Serve from the cache if it is younger than the current $cachetime
		if(defined('admin') || $n3u_configVars['caching'] == FALSE){
			// Cache is not generated for admin or if caches are disabled.
		}elseif(file_exists($n3u_cacheFile) && time() - $n3u_configVars['lifetime'] < filemtime($n3u_cacheFile)){
			// if a fresh file exist and admin is not logged in at this point...
			header('Cache-Control: max-age='.$n3u_configVars['lifetime'].', must-revalidate');
			header('Expires: ' . date('D, d M Y H:i:s e', filemtime($n3u_cacheFile)+$n3u_configVars['lifetime'])); // Date in the future
			header('Last-Modified: ' . date('D, d M Y H:i:s e', filemtime($n3u_cacheFile))); // Cache header only sent if not serving cached copy
			header('Pragma: public');
			header('X-Powered-By: n3u Niche Store ' . $n3u_configVars['Version']);
			include($n3u_cacheFile);
			// echo "\t\t" . '<!-- This file was generated on ' . date('F jS,Y \@ g:i:s e', filemtime($n3u_cacheFile)) . ' -->' . PHP_EOL;
			exit;
		}else{
			header('Cache-Control: max-age='.$n3u_configVars['lifetime'].', must-revalidate');
			header('Expires: ' . date('D, d M Y H:i:s e', time()+$n3u_configVars['lifetime'])); // Date in the future
			header('Last-Modified: ' . date('D, d M Y H:i:s e', time())); // Cache header only sent if not serving cached copy
			header('Pragma: public');
			header('X-Powered-By: n3u Niche Store ' . $n3u_configVars['Version']);
		}
		unset($url);
		ob_start(); // Start the output buffer. The cache don't exist at this point.
	}
	/**
		n3u_CacheCSS() is used to cache CSS if canching is enabled. If disabled, 
	    or Admin is logged in, each individal style link is returned.
	**/
	function n3u_CacheCSS(){
		global $n3u_configVars;
		global $n3u_blockData;
		global $n3u_ServerVars;
		// Cache the contents to a file
		if(defined('admin') || $n3u_configVars['caching'] == FALSE){ // if admin or if caching is disabled
			foreach(glob($n3u_configVars['blocks_dir'] . '*/*.css') as $filename){ // get block css files
				echo "\t\t" . '<link rel="stylesheet" type="text/css" href="' . $filename . '">' . PHP_EOL;
			}
			foreach(glob($n3u_configVars['Template_Dir'] . $n3u_configVars['Template_Name'] . '/*.css') as $filename){ // get template css files
				echo "\t\t" . '<link rel="stylesheet" type="text/css" href="' . $filename . '">' . PHP_EOL;
			}
			if((defined('admin') == TRUE) && file_exists($n3u_configVars['Template_Dir'] . 'admin/admin.css')){
				echo "\t\t" . '<link rel="stylesheet" type="text/css" href="'.$n3u_configVars['Template_Dir'] . 'admin/admin.css">' . PHP_EOL;
			}
			if((defined('admin') == TRUE) && file_exists($n3u_configVars['Template_Dir'] . 'admin/style.php')){
				echo "\t\t" . '<link rel="stylesheet" type="text/css" href="'.$n3u_configVars['Template_Dir'] . 'admin/style.php">' . PHP_EOL;
			}
		}else{ // if not admin and caching is enabled and cache is old
			$url = parse_url($n3u_ServerVars['HTTP_HOST']);
			if(!isset($url['host']) || $url['host'] == NULL){
				if(isset($url['path']) && $url['path'] != NULL){ // Check to see if host is classified as path
					$url['host'] = $url['path'];
				}elseif(isset($n3u_ServerVars['HTTP_ZONE_NAME']) && $n3u_ServerVars['HTTP_ZONE_NAME'] != NULL){ // Use HTTP_ZONE_NAME
					$url['host'] = $n3u_ServerVars['HTTP_ZONE_NAME'];
				}else{ // Use SiteURL
					$url['host'] = strtolower(str_replace('http://','',$n3u_configVars['SiteURL']));
				}
			}
			$n3u_cacheFilePath = $n3u_configVars['cache_dir'] .$url['host']. '/' . 'css.css'; // Set cache file name
			if(file_exists($n3u_cacheFilePath) && time() - $n3u_configVars['lifetime'] < filemtime($n3u_cacheFilePath)){ // else if a recent cache file exist
				// Already exist and is recent so do nothing.
			}else{
				$css = array();
				foreach(glob($n3u_configVars['blocks_dir'] . '*/*.css') as $filename){ // get block css files
			//		if(preg_match('/disabled/i', $filename) != TRUE){
						$css[] = $filename; // add each filename into css array
			//		}
				}
				foreach(glob($n3u_configVars['Template_Dir'] . $n3u_configVars['Template_Name'] . '/*.css') as $filename){ // get template css files
					if(preg_match('/admin.css/i', $filename) != TRUE){ // Not admin so strip out admin css
						$css[] = $filename; // add each filename into css array
					}
				}
				if(file_exists($n3u_configVars['Template_Dir'] . $n3u_configVars['Template_Name'] . '/style.php')){ // get style.php if exist
					$css[] = $n3u_configVars['Template_Dir'] . $n3u_configVars['Template_Name'] . '/style.php';
				}
				if((defined('admin') == TRUE) && file_exists($n3u_configVars['Template_Dir'] . $n3u_configVars['Template_Name'] . '/style.php')){ // get style.php if exist
					$css[] = $n3u_configVars['Template_Dir'] . 'admin/style.php';
				}
				if((defined('admin') == TRUE) && file_exists($n3u_configVars['Template_Dir'] . $n3u_configVars['Template_Name'] . '/style.php')){ // get style.php if exist
					$css[] = $n3u_configVars['Template_Dir'] . 'admin/admin.css';
				}
				$pattern = array('\'\s+\'','/\s*(?!<\")\/\*[^\*]+\*\/(?!\")\s*/','/images\/' . '/'); // what to find
				$replacement = array(' ','','../../' . $n3u_configVars['Template_Dir'] . $n3u_configVars['Template_Name'] . '/images/'); // what to replace
				ob_start();
				foreach($css as $file){require_once($file);} // require every file from the css array
				$n3u_cacheFileDump = str_replace(array(' { ',' } '),array('{','} '),preg_replace($pattern,$replacement,ob_get_contents())); // Dump contents as var & replace from patterns
				ob_end_clean(); // Stop & flush buffer
				$n3u_cacheFileName = fopen($n3u_cacheFilePath, 'w'); // open as writeable
				fwrite($n3u_cacheFileName, $n3u_cacheFileDump); // Write the file from var
				fclose($n3u_cacheFileName); // Close file
				unset($css,$file,$n3u_cacheFileName,$n3u_cacheFileDump,$pattern,$replacement);
			}
			echo "\t\t" . '<link rel="stylesheet" type="text/css" href="' . $n3u_cacheFilePath . '">' . PHP_EOL;	
			unset($n3u_cacheFilePath,$url);
		}
	}
	/**
		n3u_CacheEnd() is used to end the caching process and write the results 
	    to a single cache file. Cache has already been minified and combined.
	**/
	function n3u_CacheEnd(){
		global $n3u_inputVars;
		global $n3u_configVars;
		global $n3u_cacheFile;
		// Cache the contents to a file
		if(defined('admin') || $n3u_configVars['caching'] == FALSE){
			ob_end_flush(); // Send the output to browser & flush buffer
		}else{
			$n3u_cacheFileName = fopen($n3u_cacheFile, 'w'); // Open file as writeable
			$n3u_cacheFileDump = str_replace('> <','><',preg_replace("'\s+'",' ',ob_get_contents())); // Remove extra spaces to minify
			fwrite($n3u_cacheFileName, $n3u_cacheFileDump); // Write the file
			fclose($n3u_cacheFileName); // Close file
			ob_end_flush(); // Send the output to browser & flush buffer
		}
	}
	/**
		n3u_CacheImage() is used to cache the images returned by Prosperent if 
		Image Caching is enabled in the Cache Settings of n3u Niche Store.
		Images appear to be from your site instead of from another domain. The 
	    browser also deals with less http request and gains performance from 
		having the file ready to serve. Images are sorted based on their size.
	**/
	function n3u_CacheImage($src_img,$val){
		global $n3u_configVars;
	//	global $n3u_inputVars;
		if($n3u_configVars['cacheImgs'] == FALSE){return $src_img;} // nothing further to do.
		$dst_img = $n3u_configVars['img_dir'] . $n3u_configVars['img_size'] . '/' . $val . '_'.$n3u_configVars['img_size'].'.jpg';
		if(!is_dir($n3u_configVars['img_dir'])){
			mkdir($n3u_configVars['img_dir']);
			fclose(fopen($n3u_configVars['img_dir'] . 'index.php', 'w'));
		}elseif(!is_dir($n3u_configVars['img_dir'] . $n3u_configVars['img_size'] . '/')){
			mkdir($n3u_configVars['img_dir'] . $n3u_configVars['img_size'] . '/');
			fclose(fopen($n3u_configVars['img_dir'] . $n3u_configVars['img_size'] . '/' . 'index.php', 'w'));
		}
		if(!is_file($dst_img)){ // Check if file exist
			@copy($src_img,$dst_img);
			usleep(50000); // small delay to minimize timeouts from remote images, increase if needed (microseconds)
		}
		$dst_size = @filesize($dst_img);
		if($dst_size < 225){
			@unlink($dst_img); // file is empty or likely invalid, delete file
			return $n3u_configVars['Template_Dir'] . $n3u_configVars['Template_Name'] . '/images/NoImg'.$n3u_configVars['img_size'].'.png';
		}
		return $dst_img;
	}
	/**
		n3u_CacheJS() is used to cache JS in a similar manner to n3u_CacheCSS().
	**/
	function n3u_CacheJS(){
		global $n3u_configVars;
		global $n3u_ServerVars;
		if(defined('admin') || $n3u_configVars['caching'] == FALSE){ // if admin or if caching is disabled
			echo "\t\t" . '<script type="text/javascript">' . PHP_EOL
			. "\t\t" . '  var _prosperent = {' . PHP_EOL
			. "\t\t" . '    \'campaign_id\': \'4fc3f330cc53edb6b1b672001dd0a607\',' . PHP_EOL
			. "\t\t" . '    \'platform\': \'other\'' . PHP_EOL
			. "\t\t" . '  };' . PHP_EOL
			. "\t\t" . '</script>' . PHP_EOL
			. "\t\t" . '<script defer type="text/javascript" src="http://prosperent.com/js/prosperent.js"></script>' . PHP_EOL
			. "\t\t" . '<script defer src="//ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js" type="text/javascript"></script>' . PHP_EOL;
			foreach(glob($n3u_configVars['Template_Dir'] . $n3u_configVars['Template_Name'] . '/*.js') as $filename){echo "\t\t" . '<script defer src="' . $filename . '"></script>' . PHP_EOL;} // get template js files
			foreach(glob($n3u_configVars['blocks_dir'] . '*/*.js') as $filename){if(preg_match('/disabled/i', $filename) != TRUE){echo "\t\t" . '<script defer src="' . $filename . '"></script>' . PHP_EOL;}} // get block js files
			if($n3u_configVars['jScroll'] == TRUE){echo "\t\t" . '<script defer src="'.$n3u_configVars['include_dir'].'jquery.jscroll.min.js"></script>' . PHP_EOL;}
		}else{ // if not admin and caching is enabled and cache is old
			$url = parse_url($n3u_ServerVars['HTTP_HOST']);
			if(!isset($url['host']) || $url['host'] == NULL){
				if(isset($url['path']) && $url['path'] != NULL){ // Check to see if host is classified as path
					$url['host'] = $url['path'];
				}elseif(isset($n3u_ServerVars['HTTP_ZONE_NAME']) && $n3u_ServerVars['HTTP_ZONE_NAME'] != NULL){ // Use HTTP_ZONE_NAME
					$url['host'] = $n3u_ServerVars['HTTP_ZONE_NAME'];
				}else{ // Use SiteURL
					$url['host'] = strtolower(str_replace('http://','',$n3u_configVars['SiteURL']));
				}
			}
			$n3u_cacheFilePath = $n3u_configVars['cache_dir'] .$url['host']. '/' . 'js.js'; // Set cache file name
			if(file_exists($n3u_cacheFilePath) && time() - $n3u_configVars['lifetime'] < filemtime($n3u_cacheFilePath)){ // else if a recent cache file exist
				// Already exist and is recent so do nothing.
			}else{
				$js = array();
				foreach(glob($n3u_configVars['Template_Dir'] . $n3u_configVars['Template_Name'] . '/*.js') as $filename){ // get template js files
					$js[] = $filename; // add each filename into js array
				}
				foreach(glob($n3u_configVars['blocks_dir'] . '*/*.js') as $filename){ // get block js files
					if(preg_match('/disabled/i', $filename) != TRUE){$js[] = $filename;} // add each filename into js array but ignore disabled blocks
				}
				ob_start();
				foreach($js as $file){require_once($file);} // require every file from the js array
				$n3u_cacheFileDump = preg_replace(array('\'\s+\'','/\s*(?!<\")\/\*[^\*]+\*\/(?!\")\s*/'),array(' ',''),ob_get_contents()); // Dump contents as var & replace from patterns
				ob_end_clean(); // Stop & flush buffer
				$n3u_cacheFileName = fopen($n3u_cacheFilePath, 'w'); // open as writeable
				fwrite($n3u_cacheFileName, $n3u_cacheFileDump); // Write the file from var
				fclose($n3u_cacheFileName); // Close file
				unset($js,$file,$n3u_cacheFileName,$n3u_cacheFileDump);
			}
	//		echo "\t\t" . '<script type="text/javascript">' . PHP_EOL
		//	. "\t\t\t" . '<!--' . PHP_EOL
	//		. "\t\t\t" . 'prosperent_pa_uid = '.$n3u_configVars['Prosperent_UserID'].';' . PHP_EOL
	//		. "\t\t\t" . 'prosperent_pa_fallback_query = \''.$n3u_configVars['defaultKeyword'].'\';' . PHP_EOL
		//	. "\t\t\t" . '//-->' . PHP_EOL
	//		. "\t\t" . '</script>' . PHP_EOL
			echo "\t\t" . '<script type="text/javascript">' . PHP_EOL
			. "\t\t" . '  var _prosperent = {' . PHP_EOL
			. "\t\t" . '    \'campaign_id\': \'4fc3f330cc53edb6b1b672001dd0a607\',' . PHP_EOL
			. "\t\t" . '    \'platform\': \'other\'' . PHP_EOL
			. "\t\t" . '  };' . PHP_EOL
			. "\t\t" . '</script>' . PHP_EOL
			. "\t\t" . '<script defer src="http://prosperent.com/js/prosperent.js" type="text/javascript"></script>' . PHP_EOL
			. "\t\t" . '<script defer src="//ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js" type="text/javascript"></script>' . PHP_EOL
			. "\t\t" . '<script defer src="' . $n3u_cacheFilePath . '" type="text/javascript"></script>' . PHP_EOL;
			if($n3u_configVars['jScroll'] == TRUE){echo "\t\t" . '<script defer src="'.$n3u_configVars['include_dir'].'jquery.jscroll.min.js" type="text/javascript"></script>' . PHP_EOL;}
			unset($n3u_cacheFilePath,$url);
		}
	}
	/**
		n3u_CheckApiKey() is used for the Supporter Feature which is fully
		configurable in the Administration Panel. Supporters support the project
		by allocating n3u.com's api key instead of theirs for that specific item
		For example, if a val of 10 is passed (which is default) that translates
		into n3u.com having a 1 out of a 10 chance to have it's API Key applied 
		instead of the default sites API Key. That site would still then average
		it's api key being applied 9 out of 10 times. n3u Niche Store allows you
		full control of this in the Admin Panel so rather than disable if you 
		find 1 out of 10 too many, Please try another allocation. It's up to you 
		though and n3u.com forces nothing.
	**/
	function n3u_CheckApiKey($api_key,$val=10){ // Check API Key
		global $n3u_configVars;
		if($val == 0){
			return $api_key; // 0 means disabled, so we just return the users api key and never set n3u Niche Stores :(
		}elseif($val < 3){ // val was set for 1 or 2 meaning user attempted to allocate over 50% of page views to n3u Niche Store
			$val = 3; // This is overridden to 3 meaning 1 out 3 visits (or 33%), The extra view(s) are given back since 3 is minimum for if statement below. Otherwise lower numbers would never return true.
		} // $val was set 3 or higher, Process check as normal.
		if(rand(1,$val) == 3){ // 3 is symbolic so if 3 is picked at random, replace with n3u's API Key
			$api_key = base64_decode('ODcwM2I1OWJhMWE2NDQ5ZmE3ZjM2MWZhMTM5ODI1MjQ=');
		}
		return $api_key; // returns either the sites api key, or n3u.com's if conditions are met
	}
	/**
		n3u_CheckCache() is used for cache cleanup. You configure the Frequency 
		in the Administration Panel. This affects both file and image caches.
		Files are emptied at random based on the Frequency. Images are only 
		emptied if they are found to be older than 45 days. This function also 
		detects when the administrator empties the cache.
	**/
	function n3u_CheckCache(){ // Check Cache
		global $n3u_inputVars;
		global $n3u_configVars;
		global $n3u_PostVars;
		if(rand(1,$n3u_configVars['ClearCacheFreq']) == 3){ // if 3, empty cache (avg 1 out of ClearCacheFreq visits)
			n3u_ClearCache(); // Clear File Caches, Auto cleans cache folder 1 out of ClearCacheFreq visits for older files.
		}
		if(rand(1,$n3u_configVars['ClearImgCacheFreq']) == 3){ // if 3, empty cache (avg 1 out of ClearImgCacheFreq visits)
			n3u_ClearImages(60); // Clear Image Caches, Auto cleans images folders 1 out of ClearImgCacheFreq visits for older images.
		}
		if(isset($n3u_inputVars['clearcache']) && defined('admin')){ // Check if sent via server via GET (Also make sure is admin)
			n3u_ClearCache(); // Delete all file caches (but not images)
		}
		if(isset($n3u_inputVars['clearimgs']) && defined('admin')){ // Clear Image Caches
			if($n3u_inputVars['clearimgs'] == 'accessed'){
				n3u_ClearImages(60); // Clear images that were last-accessed 45 days or more ago (cleans stale, keeps recently accessed)
			}elseif($n3u_inputVars['clearimgs'] == 'modified'){
				n3u_ClearImages(60,TRUE); // Clear images that were last-modified 45 days or more ago (cleans any older than 45 days)
			}elseif($n3u_inputVars['clearimgs'] == 'all'){
				n3u_ClearImages(); // Clear all images (not recommended, Spiders)
			}
		}
		if(isset($n3u_PostVars['ClearCache']) && $n3u_PostVars['ClearCache'] == 'ClearCacheFiles'){ // Check if sent to server via $n3u_PostVars
			n3u_ClearCache(); // Clear cache files (does not include images)
		}elseif(isset($n3u_PostVars['ClearCache']) && $n3u_PostVars['ClearCache'] == 'ClearAllImages'){
			n3u_ClearImages();  // Clear all images (not recommended, Spiders)
		}elseif(isset($n3u_PostVars['ClearCache']) && $n3u_PostVars['ClearCache'] == 'ClearLastAccessedImages'){
			n3u_ClearImages(60); // Clear images that were last-accessed 45 days or more ago (cleans stale, keep recently accessed)
		}elseif(isset($n3u_PostVars['ClearCache']) && $n3u_PostVars['ClearCache'] == 'ClearLastModifiedImages'){
			n3u_ClearImages(60,TRUE); // Clear images that were last-modified 45 days or more ago (cleans any older than 30 days ago)
		}
	}
	/**
		n3u_Cleaner() may be redundant and needs to be checked.
	
	function n3u_Cleaner($string){
		$id_entities = array('%21','%2A','%27','%28','%29','%3B','%3A','%40','%26','&','%3D','%2B','%24','%2C','%2F','%3F','%25','%23','%5B','%5D');
		$id_replacements = array('!','*',"'",'(', ')',';',':','@','&amp;','&amp;','=','+','$',',','/','?','%','#','[',']');
		return str_replace($id_entities,$id_replacements,$string);
	}**/
	/**
		n3u_Clean() may be redundant and needs to be checked.
	
	function n3u_Clean($string){
		$id_entities = array('\'','.',',','/','&','  ');
		$id_replacements = array('',' ','','','and',' ');
		return strtolower(urlencode(str_replace($id_entities,$id_replacements,$string)));
	}**/
	/**
		n3u_ClearCache() does the actual job of cleaning file caches. If called
		directly, expect that file caches are emptied without condition.
	**/
	function n3u_ClearCache(){
		global $n3u_configVars;
		$files = array_filter(glob('{' . $n3u_configVars['cache_dir'] . '*,'. $n3u_configVars['cache_dir'] . '*/*}',GLOB_BRACE), 'is_file');
		$folders = glob($n3u_configVars['cache_dir'] . '*',GLOB_ONLYDIR);
		array_map("unlink", $files);
		array_map("rmdir", $folders);
		unset($folders,$files);
	}
	/**
		n3u_ClearImages() does the actual job of cleaning image caches. If
		called directly, expect that image caches are emptied without condition.
	**/
	function n3u_ClearImages($val=null,$val2=FALSE){
		global $n3u_configVars;
		$files = array_filter(glob('{' . $n3u_configVars['img_dir'] . '*,'. $n3u_configVars['img_dir'] . '*/*,'. $n3u_configVars['img_dir'] . '*/*/*}',GLOB_BRACE), 'is_file');
		$folders = array_filter($files, 'is_dir');
		if($val == null){ // empty, clear all
			array_map("unlink", $files);
			array_map("rmdir", $folders);
		}elseif(is_int($val)){ // number of days
			if($val2 == TRUE){ // last modified
				foreach ($files as $file){
					if(filemtime($file) < strtotime('-' . $val . ' days')){@unlink($file);} // delete file
				}
			}elseif($val2 == FALSE){ // last accessed
				foreach ($files as $file){
					if(fileatime($file) < strtotime('-' . $val . ' days')){@unlink($file);} // delete file
				}
			}
		}
		unset($folders,$files);
	}
	/**
		n3u_Config() is used to retrieve and filter the ocnfiguration for 
		n3u_ConfigVars().
	**/
	function n3u_Config(){ // Check installation, get data
		global $n3u_configArgs; // Make $n3u_configArgs Global
		global $n3u_configVars;
		global $n3u_lang;
		global $n3u_ServerVars;
		if(file_exists('config.php')){require_once('config.php');} // Backwards compatibility
		$url = parse_url($n3u_ServerVars['HTTP_HOST']);
		if(!isset($url['host']) || $url['host'] == NULL){
			if(isset($url['path']) && $url['path'] != NULL){ // Check to see if host is classified as path
				$url['host'] = $url['path'];
			}elseif(isset($n3u_ServerVars['HTTP_ZONE_NAME']) && $n3u_ServerVars['HTTP_ZONE_NAME'] != NULL){ // Use HTTP_ZONE_NAME
				$url['host'] = $n3u_ServerVars['HTTP_ZONE_NAME'];
			}else{ // Use SiteURL
				$url['host'] = strtolower(str_replace('http://','',$n3u_configVars['SiteURL']));
			}
		}
		if(file_exists($url['host'].'_config.php')){require_once($url['host'].'_config.php');} // This should get config for sub domains and overtide main configs array in the process.
		$n3u_configArgs = array(
			'accessKey' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'AdminCategories' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'AdminCatList' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'api_key' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'blocks_dir' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'cache_dir' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'cacheBackend' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'cacheImgs' => FILTER_VALIDATE_BOOLEAN,
			'caching' => FILTER_VALIDATE_BOOLEAN,
			'ClearCacheFreq' => FILTER_VALIDATE_INT,
			'ClearImgCacheFreq' => FILTER_VALIDATE_INT,
			'Categories' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_ENCODE_HIGH),
			'CategoryFilters' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_ENCODE_HIGH),
		//	'channel_id' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'CleanUrls' => FILTER_VALIDATE_BOOLEAN,
			'commissionDateMonths' => FILTER_VALIDATE_INT,
			'commissionDateRange' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'debug' => FILTER_VALIDATE_BOOLEAN,
			'enableCoupons' => FILTER_VALIDATE_BOOLEAN,
			'enableFacets' => FILTER_VALIDATE_BOOLEAN,
			'enableJsonCompression' => FILTER_VALIDATE_BOOLEAN,
			'enableQuerySuggestion' => FILTER_VALIDATE_BOOLEAN,
			'defaultKeyword' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_ENCODE_HIGH),
			'defaultLanguage' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_ENCODE_HIGH),
			'img_dir' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'img_size' => array('filter' => FILTER_SANITIZE_STRING, 'flags' => FILTER_FLAG_STRIP_HIGH),
			'include_dir' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'language_dir' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'lifetime' =>  FILTER_SANITIZE_NUMBER_INT,
			'limit' => FILTER_SANITIZE_NUMBER_INT,
			'logging' => FILTER_VALIDATE_BOOLEAN,
			'msg_dir' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'password' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'Prosperent_Endpoint' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'Prosperent_UserID' => FILTER_SANITIZE_NUMBER_INT,
			'querySuggestion' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_ENCODE_HIGH),
			'reCaptcha_privKey' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_ENCODE_HIGH),
			'reCaptcha_pubKey' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_ENCODE_HIGH),
			'jScroll' => FILTER_VALIDATE_BOOLEAN,
			'self' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'sid' => FILTER_SANITIZE_URL,
			'SiteEmail' => FILTER_VALIDATE_EMAIL,
			'SiteIndex' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'SiteName' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'SiteURL' => FILTER_SANITIZE_URL,
			'Supporter' => FILTER_SANITIZE_NUMBER_INT,
			'Template_Dir' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'Template_Name' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'username' => array('filter' => FILTER_SANITIZE_STRING,'flags' => FILTER_FLAG_STRIP_HIGH),
			'Version' => array('filter' => FILTER_SANITIZE_NUMBER_FLOAT,'flags' => FILTER_FLAG_ALLOW_FRACTION),
		);
		$n3u_configVars = @filter_var_array($n3u_configData,$n3u_configArgs);
		unset($url);
	}
	/**
		n3u_CustomPages() restrieves custom pages and builds and array
	**/
	function n3u_CustomPages($page_limit = NULL){ // Returns array of Custom pages
		global $n3u_configVars;
		$n3u_customPages = array();
		$i = 1;
		$url = n3u_HTTP_Host();
		foreach(glob($n3u_configVars['include_dir'] . 'custom/'.$url['host'] . '_' . "*.php") as $n3u_custom_page){
			$n3u_custom_pagename = str_replace('.php','',str_replace($n3u_configVars['include_dir'] . 'custom/'.$url['host'] . '_','',$n3u_custom_page));
			$n3u_customPages[$i]['name'] = $n3u_custom_pagename;
			$n3u_customPages[$i]['path'] = $n3u_custom_page;
			if($n3u_configVars['CleanUrls'] == TRUE){
				$n3u_customPages[$i]['url'] = './page_'. $n3u_custom_pagename .'.htm';
			}else{
				$n3u_customPages[$i]['url'] = $n3u_configVars['self'] . '?x=page&amp;page=' . $n3u_custom_pagename;
			}
			if($page_limit == NULL){ // limits pages returned if specified
				$i++;
			}elseif($page_limit > $i){
				$i++;
			}
		} // finds all custom pages in templates custom directory, builds array
		unset($page_limit,$n3u_custom_page,$n3u_custom_pagename,$i,$url);
		return $n3u_customPages;
	}
	function Boolean2String($boolean = NULL){ // returns string
	  return($boolean?'True':'False');
	}
	/**
		n3u_date() returns the date in the format requested.
	**/
	function n3u_date($date, $format){
		$n3u_date = date($format, strtotime($date));
		return $n3u_date;
	}
	/**
		n3u_Debug() returns debugging information if Debug is enabled.
	**/
	function n3u_Debug($n3u_val,$info=FALSE){
		global $n3u_inputVars;
		global $n3u_configVars;
		global $n3u_lang;
		global $prosperentApi;
		global $n3u_results; //$n3u_results
		if($info == TRUE){
			if($n3u_configVars['debug'] == TRUE){ // Is debug mode enabled?
				if(defined('admin')){
					// Error & Debug Info
					echo "\t\t\t\t" . '<div class="block_footer" id="Debug">' . PHP_EOL
					. "\t\t\t\t\t" . '<h3>' . $n3u_lang['Debug'] . '</h3>' . PHP_EOL
					. "\t\t\t\t\t" . '<hr />' . PHP_EOL
					. "\t\t\t\t\t" . '<form action="' . $n3u_configVars['self'] . '" id="debug_form" method="post">' . PHP_EOL
					. "\t\t\t\t\t\t" . '<fieldset>' . PHP_EOL
					. "\t\t\t\t\t\t\t" . '<legend>' . $n3u_lang['Debug_Mode'] . '</legend>' . PHP_EOL
					. "\t\t\t\t\t\t\t" . '<ul>' . PHP_EOL
					. "\t\t\t\t\t\t\t\t" . '<li>' . $n3u_lang['n3u_Niche_Store'] . ': <span>' . $n3u_lang['Debug_Enabled'] . '</span></li>' . PHP_EOL
					. "\t\t\t\t\t\t\t\t" . '<li>' . $n3u_lang['n3u_Niche_Store'] . ': <span>' . $n3u_lang['Debug_Explain1'] . '</span></li>' . PHP_EOL;
					if(in_array($n3u_inputVars['x'],array('index','item','search'))){
						n3u_FetchSearch();
						if($prosperentApi->hasWarnings()){
							foreach($prosperentApi->getWarnings() as $n3u_Warnings){
								echo "\t\t\t\t\t\t\t\t" . '<li>' . $n3u_lang['Prosperent'] . ': <span class="explain">(' . $n3u_Warnings['code'] . ') ' . $n3u_Warnings['msg'] . '</span></li>' . PHP_EOL;
							}
						}
						if($prosperentApi->hasErrors()){
							foreach($prosperentApi->getErrors() as $n3u_Errors){
								echo "\t\t\t\t\t\t\t\t" . '<li>' . $n3u_lang['Prosperent'] . ': <span class="explain">(' . $n3u_Errors['code'] . ') ' . $n3u_Errors['msg'] . '</span></li>' . PHP_EOL;
							}
						}
						echo "\t\t\t\t\t\t\t" . '</ul>' . PHP_EOL;
						if(isset($n3u_results) && $n3u_results != NULL){
							echo "\t\t\t\t\t\t\t\t" . '<label>Dump of $n3u_results: </label>' . PHP_EOL;
							foreach($n3u_results as $n3u_resultsString){
								foreach($n3u_resultsString as $n3u_resultKey => $n3u_resultString){
									echo "\t\t\t\t\t\t\t\t" . '<div class="debugvalues"><div class="keyvalue">$n3u_results[\''.$n3u_resultKey.'\']&nbsp;=&nbsp;</div>' . '<div class="stringvalue">'.str_replace('&','&amp;',var_export($n3u_resultString,TRUE)).';</div></div>' . PHP_EOL;
								}
								echo "\t\t\t\t\t\t\t\t" . '<hr class="hr" />' . PHP_EOL;
							}	
						}
					}else{
						echo "\t\t\t\t\t\t\t" . '</ul>' . PHP_EOL;
					}
					echo "\t\t\t\t\t\t\t" . '<label>Dump of $n3u_inputVars: </label>' . PHP_EOL;
					foreach($n3u_inputVars as $n3u_inputVarKey => $n3u_inputVarString){
						echo "\t\t\t\t\t\t\t" . '<div class="debugvalues"><div class="keyvalue">$n3u_inputVars[\''.$n3u_inputVarKey.'\']&nbsp;=&nbsp;</div>'
						. '<div class="stringvalue">'.var_export($n3u_inputVarString,TRUE).';</div></div>' . PHP_EOL;
					}
					echo "\t\t\t\t\t\t\t\t" . '<hr class="hr" />' . PHP_EOL
					. "\t\t\t\t\t\t\t\t" . '<label>Dump of $n3u_configVars: </label>' . PHP_EOL;
					foreach($n3u_configVars as $n3u_configVarKey => $n3u_configVarString){
						if($n3u_configVarKey == 'password'){
							$n3u_configVarString = str_replace($n3u_configVarString,'*******',$n3u_configVarString);
						}
						echo "\t\t\t\t\t\t\t" . '<div class="debugvalues"><div class="keyvalue">$n3u_configVars[\''.$n3u_configVarKey.'\']&nbsp;=&nbsp;</div>'
						. '<div class="stringvalue">'.var_export($n3u_configVarString,TRUE).';</div></div>' . PHP_EOL;
					}
					echo "\t\t\t\t\t\t" . '</fieldset>' . PHP_EOL
					. "\t\t\t\t\t" . '</form>' . PHP_EOL
					. "\t\t\t\t" . '</div>' . PHP_EOL; //div debug
				}
			}
		}else{ // Not generating info, instead debug an array
			if(isset($n3u_val) && $n3u_val != NULL){
				echo "\t\t\t\t\t" . '<pre>' . PHP_EOL;
				foreach($n3u_val as $n3u_row){print_r(str_replace('&','&amp;',array_combine(array_keys($n3u_row), array_values($n3u_row))));}
				echo "\t\t\t\t\t" . '</pre>' . PHP_EOL;
			}
		}
	}
	/**
		n3u_Defaults() sets the minimums or defaults for n3u Niche Store.
	**/
	function n3u_Defaults(){
		global $n3u_inputVars;
		global $n3u_configVars;
		global $n3u_lang;
		global $n3u_extendedSort;
		global $n3u_ServerVars;
		if($n3u_configVars['debug'] == TRUE){
			error_reporting(E_ALL ^ E_NOTICE); // Report PHP errors but not notices
		}else{
			error_reporting(0); // Report no PHP errors
		}
		// First let's set defaults for $n3u_inputVars
		if(!isset($n3u_inputVars['b']) || $n3u_inputVars['b'] == array('Any'||'Unknown')){$n3u_inputVars['b'] = '';}
	//	if(!isset($n3u_inputVars['compare'])){$n3u_inputVars['compare'] = NULL;}
		if(!isset($n3u_inputVars['m']) || $n3u_inputVars['m'] == array('Any'||'Unknown')){$n3u_inputVars['m'] = '';}
		if(!isset($n3u_inputVars['url'])){unset($n3u_inputVars['url']);}
	//	if(!isset($n3u_inputVars['price_max']) || ($n3u_inputVars['price_max'] == NULL)){$n3u_inputVars['price_max'] = '0';}
	//	if(!isset($n3u_inputVars['price_min']) || ($n3u_inputVars['price_min'] == NULL)){$n3u_inputVars['price_min'] = '0';}
		if(!isset($n3u_inputVars['p']) || ($n3u_inputVars['p'] == NULL)){$n3u_inputVars['p'] = '1';}
		if(!isset($n3u_inputVars['sort']) || !in_array($n3u_inputVars['sort'],array('ASC','DESC','REL'))){$n3u_inputVars['sort'] = 'REL';}
		if(!isset($n3u_inputVars['item'])){$n3u_inputVars['item'] = '';} // implement an error here
		if(isset($n3u_inputVars['sort']) && $n3u_inputVars['sort'] == 'ASC'){
			$n3u_extendedSort= 'price ASC';
		}elseif(isset($n3u_inputVars['sort']) && $n3u_inputVars['sort'] == 'DESC'){
			$n3u_extendedSort= 'price DESC';
		}elseif(isset($n3u_inputVars['sort']) && $n3u_inputVars['sort'] == 'REL'){
			$n3u_extendedSort= '@relevance DESC';
		}
		// defaults
		if(!isset($n3u_ServerVars['HTTP_CF_CONNECTING_IP'])){$n3u_configVars['visitor_ip'] = @$n3u_ServerVars['REMOTE_ADDR'];}else{$n3u_configVars['visitor_ip'] = $n3u_ServerVars['HTTP_CF_CONNECTING_IP'];}		// CloudFlare is a reverse proxy, so all ips look like they originate from cloudflare, CloudFlare passes REMOTE_ADDR as HTTP_CF_CONNECTING_IP
		if(!isset($n3u_ServerVars['HTTP_REFERER'])){$n3u_configVars['referrer'] = '';$n3u_ServerVars['HTTP_REFERER'] = '';}else{$n3u_configVars['referrer'] = $n3u_ServerVars['HTTP_REFERER'];} // Auto determines Visitors Referrer
		if(preg_match("/" . @$n3u_ServerVars['HTTP_HOST'] . "/i",$n3u_ServerVars['HTTP_REFERER'])){$n3u_configVars['referrer'] = '';$n3u_ServerVars['HTTP_REFERER'] = '';} // empties referrer if from site.
		if(!isset($n3u_configVars['api_key']) || $n3u_configVars['api_key'] == NULL){$n3u_configVars['api_key'] = '8703b59ba1a6449fa7f361fa13982524'; } // Use n3u's if no other is set (to ensure script functions)
		if(!isset($n3u_configVars['blocks_dir']) || $n3u_configVars['blocks_dir'] == NULL){$n3u_configVars['blocks_dir'] = 'blocks/';}
		if(!isset($n3u_configVars['cacheBackend']) || $n3u_configVars['cacheBackend'] == NULL){$n3u_configVars['cacheBackend'] = 'File';}
		if(!isset($n3u_configVars['cacheImgs']) || $n3u_configVars['cacheImgs'] == NULL){$n3u_configVars['cacheImgs'] = FALSE;}
		if(!isset($n3u_configVars['cache_dir']) || $n3u_configVars['cache_dir'] == NULL){$n3u_configVars['cache_dir'] = 'cache/';}
		if(!isset($n3u_configVars['caching']) || $n3u_configVars['caching'] == NULL){$n3u_configVars['caching'] = FALSE;}
		if(!isset($n3u_configVars['ClearCacheFreq']) || $n3u_configVars['ClearCacheFreq'] == NULL){$n3u_configVars['ClearCacheFreq'] = 100;}
		if(!isset($n3u_configVars['ClearImgCacheFreq']) || $n3u_configVars['ClearImgCacheFreq'] == NULL){$n3u_configVars['ClearImgCacheFreq'] = 100;}
		if(!is_dir($n3u_configVars['cache_dir'])){mkdir($n3u_configVars['cache_dir']);fclose(fopen($n3u_configVars['cache_dir'] . 'index.php', 'w'));} // Auto creates cache folder & index.php
		$url = parse_url($n3u_ServerVars['HTTP_HOST']);
		if(!isset($url['host']) || $url['host'] == NULL){
			if(isset($url['path']) && $url['path'] != NULL){ // Check to see if host is classified as path
				$url['host'] = $url['path'];
			}elseif(isset($n3u_ServerVars['HTTP_ZONE_NAME']) && $n3u_ServerVars['HTTP_ZONE_NAME'] != NULL){ // Use HTTP_ZONE_NAME
				$url['host'] = $n3u_ServerVars['HTTP_ZONE_NAME'];
			}else{ // Use SiteURL
				$url['host'] = strtolower(str_replace('http://','',$n3u_configVars['SiteURL']));
			}
		}
		if(!is_dir($n3u_configVars['cache_dir'] . $url['host'] . '/')){mkdir($n3u_configVars['cache_dir'] . $url['host'] . '/');fclose(fopen($n3u_configVars['cache_dir'] . $url['host'] . '/' . 'index.php', 'w'));} // Auto creates cache folder & index.php
		unset($url);
		if(!isset($n3u_configVars['Categories']) || $n3u_configVars['Categories'] == NULL){$n3u_configVars['Categories'] = '7.2v,9.6v,12v,14.4v,18v,20v';}
		if(!isset($n3u_configVars['CategoryFilters']) || $n3u_configVars['CategoryFilters'] == NULL){$n3u_configVars['CategoryFilters'] = 'refurb|refurbished|recondition|reconditioned';}
		$n3u_configVars['CategoryFilters'] = str_replace(array(' , ',', ',',',' | ','| ',' '),array('|','|','|','|','|','%20'),$n3u_configVars['CategoryFilters']);
		if(!isset($n3u_configVars['CleanUrls']) || $n3u_configVars['CleanUrls'] == NULL){$n3u_configVars['CleanUrls'] = FALSE;}
		if(!isset($n3u_configVars['commissionDateMonths']) || $n3u_configVars['commissionDateMonths'] == NULL){$n3u_configVars['commissionDateMonths'] = 3;}
		if(!isset($n3u_configVars['commissionDateRange']) || $n3u_configVars['commissionDateRange'] == NULL){$n3u_configVars['commissionDateRange'] = date('Ymd', strtotime('-'.$n3u_configVars['commissionDateMonths'].' months -1 day')).','.date('Ymd', strtotime('yesterday'));}
		if(!isset($n3u_configVars['debug']) || $n3u_configVars['debug'] == NULL){$n3u_configVars['debug'] = FALSE;}
		if(!isset($n3u_configVars['defaultKeyword']) || $n3u_configVars['defaultKeyword'] == NULL){$n3u_configVars['defaultKeyword'] ='Cordless Drill';}
		if(!isset($n3u_inputVars['q']) || $n3u_inputVars['q'] == NULL){$n3u_inputVars['q'] = $n3u_configVars['defaultKeyword'];}
		if($n3u_inputVars['q'] != $n3u_configVars['defaultKeyword']){$n3u_inputVars['q'] = $n3u_configVars['defaultKeyword'].' '.str_replace($n3u_configVars['defaultKeyword'] .' ','',$n3u_inputVars['q']);}else{$n3u_inputVars['q'] = $n3u_configVars['defaultKeyword'];}
		if($n3u_inputVars['q'] == $n3u_configVars['defaultKeyword'].' '.$n3u_configVars['defaultKeyword']){$n3u_inputVars['q'] = $n3u_configVars['defaultKeyword']; }
		if(!isset($n3u_configVars['defaultLanguage']) || $n3u_configVars['defaultLanguage'] == NULL){$n3u_configVars['defaultLanguage'] = 'en-us';}
		if(!isset($n3u_configVars['enableCoupons']) || $n3u_configVars['enableCoupons'] == NULL){$n3u_configVars['enableCoupons'] = FALSE;}
		if(!isset($n3u_configVars['enableFacets']) || $n3u_configVars['enableFacets'] == NULL){$n3u_configVars['enableFacets'] = TRUE;}
		if(!isset($n3u_configVars['enableJsonCompression']) || $n3u_configVars['enableJsonCompression'] == NULL){$n3u_configVars['enableJsonCompression'] = TRUE;}
		if(!isset($n3u_configVars['enableQuerySuggestion']) || $n3u_configVars['enableQuerySuggestion'] == NULL){$n3u_configVars['enableQuerySuggestion'] = TRUE;}
		if(!isset($n3u_inputVars['lang']) || $n3u_inputVars['lang'] == NULL){$n3u_inputVars['lang'] = $n3u_configVars['defaultLanguage'];} // set default language
		if(!isset($n3u_configVars['include_dir']) || $n3u_configVars['include_dir'] == NULL){$n3u_configVars['include_dir'] = 'inc/';}
		if(!is_dir($n3u_configVars['include_dir'])){mkdir($n3u_configVars['include_dir']);fclose(fopen($n3u_configVars['include_dir'] . 'index.php', 'w'));} // Auto creates inc folder & index.php
		if(!is_dir($n3u_configVars['include_dir'] . 'configs/')){mkdir($n3u_configVars['include_dir'] . 'configs/');fclose(fopen($n3u_configVars['include_dir'] . 'configs/index.php', 'w'));} // Auto creates custom folder & index.php
		if(!is_dir($n3u_configVars['include_dir'] . 'custom/')){mkdir($n3u_configVars['include_dir'] . 'custom/');fclose(fopen($n3u_configVars['include_dir'] . 'custom/index.php', 'w'));} // Auto creates custom folder & index.php
		if(!is_dir($n3u_configVars['include_dir'] . 'messages/')){mkdir($n3u_configVars['include_dir'] . 'messages/');fclose(fopen($n3u_configVars['include_dir'] . 'messages/index.php', 'w'));} // Auto creates custom folder & index.php
		if(!isset($n3u_configVars['img_dir']) || $n3u_configVars['img_dir'] == NULL){$n3u_configVars['img_dir'] = 'images/';}
		if(!isset($n3u_configVars['img_size']) || $n3u_configVars['img_size'] == NULL){$n3u_configVars['img_size'] = '125x125';}
		if(!isset($n3u_configVars['language_dir']) || $n3u_configVars['language_dir'] == NULL){$n3u_configVars['language_dir'] = 'languages/';}
		if(!isset($n3u_configVars['lifetime']) || $n3u_configVars['lifetime'] == NULL){$n3u_configVars['lifetime'] = '86400';}
		if(!isset($n3u_configVars['limit']) || $n3u_configVars['limit'] == NULL){$n3u_configVars['limit'] = '10';}
		if(!isset($n3u_configVars['username']) || $n3…