first commit

public/system/library/config.php

@@ -0,0 +1,67 @@
+<?php
+/**
+ * @package		OpenCart
+ * @author		Daniel Kerr
+ * @copyright	Copyright (c) 2005 - 2017, OpenCart, Ltd. (https://www.opencart.com/)
+ * @license		https://opensource.org/licenses/GPL-3.0
+ * @link		https://www.opencart.com
+*/
+
+/**
+* Config class
+*/
+class Config {
+	private $data = array();
+    
+	/**
+     * 
+     *
+     * @param	string	$key
+	 * 
+	 * @return	mixed
+     */
+	public function get($key) {
+		return (isset($this->data[$key]) ? $this->data[$key] : null);
+	}
+	
+    /**
+     * 
+     *
+     * @param	string	$key
+	 * @param	string	$value
+     */
+	public function set($key, $value) {
+		$this->data[$key] = $value;
+	}
+
+    /**
+     * 
+     *
+     * @param	string	$key
+	 *
+	 * @return	mixed
+     */
+	public function has($key) {
+		return isset($this->data[$key]);
+	}
+	
+    /**
+     * 
+     *
+     * @param	string	$filename
+     */
+	public function load($filename) {
+		$file = DIR_CONFIG . $filename . '.php';
+
+		if (file_exists($file)) {
+			$_ = array();
+
+			require(modification($file));
+
+			$this->data = array_merge($this->data, $_);
+		} else {
+			trigger_error('Error: Could not load config ' . $filename . '!');
+			exit();
+		}
+	}
+}