Refactoring classes into src/ folder, so they will be auto-loaded by composer

system/src/Cache/Cache.php

@@ -0,0 +1,128 @@
+<?php
+/**
+ * Cache class
+ *
+ * @package   MyAAC
+ * @author    Slawkens <slawkens@gmail.com>
+ * @author    Mark Samman (Talaturen) <marksamman@gmail.com>
+ * @copyright 2019 MyAAC
+ * @link      https://my-aac.org
+ */
+
+namespace MyAAC\Cache;
+
+/**
+ * Class Cache
+ *
+ * @method set($key, $var, $ttl = 0)
+ * @method get($key)
+ * @method fetch($key, &$var)
+ * @method delete($key)
+ */
+class Cache
+{
+	static private $instance;
+
+	/**
+	 * @return Cache
+	 */
+	public static function getInstance()
+	{
+		if (!self::$instance) {
+			return self::generateInstance(config('cache_engine'), config('cache_prefix'));
+		}
+
+		return self::$instance;
+	}
+
+	/**
+	 * @param string $engine
+	 * @param string $prefix
+	 * @return Cache
+	 */
+	public static function generateInstance($engine = '', $prefix = '')
+	{
+		if (config('env') === 'dev') {
+			self::$instance = new self();
+			return self::$instance;
+		}
+
+		switch (strtolower($engine)) {
+			case 'apc':
+				self::$instance = new APC($prefix);
+				break;
+
+			case 'apcu':
+				self::$instance = new APCu($prefix);
+				break;
+
+			case 'eaccelerator':
+				self::$instance = new eAccelerator($prefix);
+				break;
+
+			case 'xcache':
+				self::$instance = new XCache($prefix);
+				break;
+
+			case 'file':
+				self::$instance = new File($prefix, CACHE);
+				break;
+
+			case 'php':
+				self::$instance = new PHP($prefix, CACHE);
+				break;
+
+			case 'auto':
+				self::$instance = self::generateInstance(self::detect(), $prefix);
+				break;
+
+			default:
+				self::$instance = new self();
+				break;
+		}
+
+		return self::$instance;
+	}
+
+	/**
+	 * @return string
+	 */
+	public static function detect()
+	{
+		if (function_exists('apc_fetch'))
+			return 'apc';
+		else if (function_exists('apcu_fetch'))
+			return 'apcu';
+		else if (function_exists('eaccelerator_get'))
+			return 'eaccelerator';
+		else if (function_exists('xcache_get') && ini_get('xcache.var_size'))
+			return 'xcache';
+
+		return 'file';
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function enabled()
+	{
+		return false;
+	}
+
+	public static function remember($key, $ttl, $callback)
+	{
+		$cache = self::getInstance();
+		if (!$cache->enabled()) {
+			return $callback();
+		}
+
+		$value = null;
+		if ($cache->fetch($key, $value)) {
+			return unserialize($value);
+		}
+
+		$value = $callback();
+		$cache->set($key, serialize($value), $ttl);
+		return $value;
+	}
+}