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

system/src/Cache/XCache.php

@@ -0,0 +1,62 @@
+<?php
+/**
+ * XCache 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 XCache
+{
+	private $prefix;
+	private $enabled;
+
+	public function __construct($prefix = '')
+	{
+		$this->prefix = $prefix;
+		$this->enabled = function_exists('xcache_get') && ini_get('xcache.var_size');
+	}
+
+	public function set($key, $var, $ttl = 0)
+	{
+		$key = $this->prefix . $key;
+		xcache_unset($key);
+		xcache_set($key, $var, $ttl);
+	}
+
+	public function get($key)
+	{
+		$tmp = '';
+		if ($this->fetch($this->prefix . $key, $tmp)) {
+			return $tmp;
+		}
+
+		return '';
+	}
+
+	public function fetch($key, &$var)
+	{
+		$key = $this->prefix . $key;
+		if (!xcache_isset($key)) {
+			return false;
+		}
+
+		$var = xcache_get($key);
+		return true;
+	}
+
+	public function delete($key)
+	{
+		xcache_unset($this->prefix . $key);
+	}
+
+	public function enabled()
+	{
+		return $this->enabled;
+	}
+}