First Local Commit - After Clean up.

Signed-off-by: Rick Hays <rhays@haysgang.com>

system/Config/Config.php

@@ -0,0 +1,161 @@
+<?php
+
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP
+ *
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2014-2019 British Columbia Institute of Technology
+ * Copyright (c) 2019 CodeIgniter Foundation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package    CodeIgniter
+ * @author     CodeIgniter Dev Team
+ * @copyright  2019 CodeIgniter Foundation
+ * @license    https://opensource.org/licenses/MIT	MIT License
+ * @link       https://codeigniter.com
+ * @since      Version 4.0.0
+ * @filesource
+ */
+
+namespace CodeIgniter\Config;
+
+/**
+ * Class Config
+ *
+ * @package CodeIgniter\Config
+ */
+class Config
+{
+	/**
+	 * Cache for instance of any configurations that
+	 * have been requested as "shared" instance.
+	 *
+	 * @var array
+	 */
+	static private $instances = [];
+
+	//--------------------------------------------------------------------
+
+	/**
+	 * Create new configuration instances or return
+	 * a shared instance
+	 *
+	 * @param string  $name      Configuration name
+	 * @param boolean $getShared Use shared instance
+	 *
+	 * @return mixed|null
+	 */
+	public static function get(string $name, bool $getShared = true)
+	{
+		$class = $name;
+		if (($pos = strrpos($name, '\\')) !== false)
+		{
+			$class = substr($name, $pos + 1);
+		}
+
+		if (! $getShared)
+		{
+			return self::createClass($name);
+		}
+
+		if (! isset( self::$instances[$class] ))
+		{
+			self::$instances[$class] = self::createClass($name);
+		}
+		return self::$instances[$class];
+	}
+
+	//--------------------------------------------------------------------
+
+	/**
+	 * Helper method for injecting mock instances while testing.
+	 *
+	 * @param string   $class
+	 * @param $instance
+	 */
+	public static function injectMock(string $class, $instance)
+	{
+		self::$instances[$class] = $instance;
+	}
+
+	//--------------------------------------------------------------------
+
+	/**
+	 * Resets the instances array
+	 */
+	public static function reset()
+	{
+		static::$instances = [];
+	}
+
+	//--------------------------------------------------------------------
+
+	/**
+	 * Find configuration class and create instance
+	 *
+	 * @param string $name Classname
+	 *
+	 * @return mixed|null
+	 */
+	private static function createClass(string $name)
+	{
+		if (class_exists($name))
+		{
+			return new $name();
+		}
+
+		$locator = Services::locator();
+		$file    = $locator->locateFile($name, 'Config');
+
+		if (empty($file))
+		{
+			// No file found - check if the class was namespaced
+			if (strpos($name, '\\') !== false)
+			{
+				// Class was namespaced and locateFile couldn't find it
+				return null;
+			}
+
+			// Check all namespaces
+			$files = $locator->search('Config/' . $name);
+			if (empty($files))
+			{
+				return null;
+			}
+
+			// Get the first match (prioritizes user and framework)
+			$file = reset($files);
+		}
+
+		$name = $locator->getClassname($file);
+
+		if (empty($name))
+		{
+			return null;
+		}
+
+		return new $name();
+	}
+
+	//--------------------------------------------------------------------
+}