Updated Composer dependencies and made the SerializableClosure class easier to extend. Fixes #9

Author: jeremeamia

README.md

@@ -105,10 +105,12 @@ provide closures (or algorithms) as a service through an API.
 
 ## Who Is Using Super Closure?
 
-- [Laravel 4](https://github.com/laravel/framework) - Serializes a closure to potentially push onto a job queue
+- [Laravel 4](https://github.com/laravel/framework) - Serializes a closure to potentially push onto a job queue.
 - [HTTP Mock for PHP](https://github.com/InterNations/http-mock) - Serialize a closure to send to remote server within
-  a test workflow
-- [Jumper](https://github.com/kakawait/Jumper) - Serialize a closure to run on remote host via SSH
+  a test workflow.
+- [Jumper](https://github.com/kakawait/Jumper) - Serialize a closure to run on remote host via SSH.
+- [nicmart/Benchmark](https://github.com/nicmart/Benchmark) - Uses the `ClosureParser` to display a benchmarked
+  Closure's code.
 - Please let me know if and how your project uses Super Closure.
 
 [1]:  https://secure.travis-ci.org/jeremeamia/super_closure.png?branch=master

composer.json

@@ -1,7 +1,7 @@
 {
     "name": "jeremeamia/SuperClosure",
     "type": "library",
-    "description": "Doing interesting things with closures like serialization and partial function application.",
+    "description": "Doing interesting things with closures like serialization.",
     "keywords": ["closure", "serialize", "serializable", "function", "parser", "tokenizer"],
     "homepage": "https://github.com/jeremeamia/super_closure",
     "license": "MIT",
@@ -12,10 +12,10 @@
     ],
     "require": {
         "php": ">=5.3.3",
-        "nikic/php-parser": "dev-master"
+        "nikic/php-parser": "~0.9"
     },
     "require-dev": {
-        "phpunit/phpunit": "3.7.*"
+        "phpunit/phpunit": "~3.7"
     },
     "autoload": {
         "psr-0": { "Jeremeamia\\SuperClosure": "src/" }

src/Jeremeamia/SuperClosure/SerializableClosure.php

@@ -24,7 +24,7 @@ class SerializableClosure implements \Serializable
     /**
      * @var array The calculated state to serialize
      */
-    private $state;
+    protected $state;
 
     /**
      * @param \Closure $closure
@@ -65,20 +65,14 @@ public function __invoke()
     }
 
     /**
-     * Uses the closure parser to fetch the closure's code. The code and the closure's context are serialized
+     * Serialize the code and of context of the closure
      *
      * @return string
      */
     public function serialize()
     {
-        // Prepare the state to serialize using a ClosureParser
         if (!$this->state) {
-            $parser = new ClosureParser($this->getReflection());
-            $this->state = array($parser->getCode());
-            // Add the used variables (context) to the state, but wrap all closures with SerializableClosure
-            $this->state[] = array_map(function ($var) {
-                return ($var instanceof \Closure) ? new self($var) : $var;
-            }, $parser->getUsedVariables());
+            $this->createState();
         }
 
         return serialize($this->state);
@@ -104,4 +98,17 @@ public function unserialize($__serialized__)
         // Evaluate the code to recreate the Closure
         eval("\$this->closure = {$__code__};");
     }
+
+    /**
+     * Uses the closure parser to fetch the closure's code and context
+     */
+    protected function createState()
+    {
+        $parser = new ClosureParser($this->getReflection());
+        $this->state = array($parser->getCode());
+        // Add the used variables (context) to the state, but wrap all closures with SerializableClosure
+        $this->state[] = array_map(function ($var) {
+            return ($var instanceof \Closure) ? new self($var) : $var;
+        }, $parser->getUsedVariables());
+    }
 }