Update composer, refactor implementation

.gitignore

@@ -1 +1,4 @@
 nbproject/private/
+composer.lock
+nbproject/
+vendor/

composer.json

@@ -1,11 +1,20 @@
 {
-    "name": "vendor/simplePhpCache",
-    "description": "This very small lib is for caching in php apps.",
+    "name": "jtk/simplePhpCache",
+    "description": "Very small and simple lib for caching",
+    "keywords": ["cache", "filecache", "memorycache", "arraycache"],
+    "homepage": "http://github.com/jtkDvlp/simplePhpCache",
+    "type": "library",
+    "license": "MIT",
     "authors": [
         {
-            "name": "JT Knabenschuh",
+            "name": "jtkDvlp",
             "email": "jtkdevelopments@gmail.com"
         }
     ],
-    "require": {}
+    "require": {
+      "php": ">=5.5.0"
+    },
+    "autoload": {
+        "psr-4": {"jtk\\simplePhpCache\\": "src"}
+    }
 }

example.php

@@ -1,7 +1,8 @@
-<?php
+<?php 
+use jtk\simplePhpCache\FileCache;
+use jtk\simplePhpCache\ArrayCache;
 
-require_once('./FileCache.php');
-require_once('./MemoryCache.php');
+require __DIR__ . '/vendor/autoload.php';
 
 session_start();
 
@@ -40,7 +41,7 @@ function example($cache)
   mkdir('./cache/');
 }
 
-$filecache = new FileCache('./cache/', 50);
+$filecache = new FileCache(__DIR__.'/cache/', 50);
 //$cache->clear();
 example($filecache);
 
@@ -54,7 +55,7 @@ function example($cache)
   $_SESSION['cache'] = [];
 }
 
-$sessioncache = new MemoryCache(
+$sessioncache = new ArrayCache(
   $_SESSION['cache']);
 //$cache->clear();
 example($sessioncache);

src/ArrayCache.php

@@ -0,0 +1,49 @@
+<?php namespace jtk\simplePhpCache;
+
+class ArrayCache extends Cache
+{
+  /** @var array */
+  private $array;
+
+
+  /**
+   * @param array $array
+   */
+  public function __construct(&$array)
+  {
+    $this->array = &$array;
+  }
+
+  /**
+   * @param string $identifier
+   * @return mixed
+   */
+  public function get($identifier)
+  {
+    return $this->array[$identifier];
+  }
+
+  /**
+   * @param string $identifier
+   * @return boolean
+   */
+  public function has($identifier)
+  {
+    return isset($this->array[$identifier]);
+  }
+
+  /**
+   * @param string $identifier
+   * @param mixed $data
+   * @return mixed
+   */
+  public function set($identifier, $data)
+  {
+    return $this->array[$identifier] = $data;
+  }
+
+  public function clear()
+  {
+    $this->array = [];
+  }
+}

Cache.php → src/Cache.php

@@ -1,4 +1,4 @@
-<?php
+<?php namespace jtk\simplePhpCache;
 
 abstract class Cache
 {
@@ -7,6 +7,10 @@ public abstract function has($identifier);
   public abstract function set($identifier, $data);
   public abstract function clear();
 
+  /**
+   * @param callable $func
+   * @return callable
+   */
   public function wrap($func)
   {
     return function() use ($func)