From f1c04f397febc7ed36a67ed77a03dc6dfd4b8467 Mon Sep 17 00:00:00 2001
From: Chris Kankiewicz <Chris@ChrisKankiewicz.com>
Date: Sat, 16 Dec 2017 16:29:31 -0700
Subject: [PATCH] Remove prefix from Ephemeral driver

---
 README.md                 | 16 ++--------------
 src/Drivers/Ephemeral.php | 37 +++++++++++--------------------------
 tests/CacheTest.php       | 10 ----------
 3 files changed, 13 insertions(+), 50 deletions(-)

diff --git a/README.md b/README.md
index efd46c6..62f5104 100644
--- a/README.md
+++ b/README.md
@@ -155,25 +155,13 @@ $stash = Stash\Cache::make('apcu', function () {
 #### Ephemeral
 
 The Ephemeral driver caches items in a PHP array that exists in memory only for
-the lifetime of the script.
+the lifetime of the script. The Ephemeral driver does not take a configuration
+closure.
 
 ```php
 $stash = Stash\Cache::make('ephemeral');
 ```
 
-The Ephemeral driver does not require a configuration closure. However, if you
-wish to set a prefix you can pass a configuration closure that returns an array.
-The returned array must contain a key of `prefix` with a string value of the
-desired prefix.
-
-```php
-$stash = Stash\Cache::make('ephemeral', function () {
-    return [
-        'prefix' => 'some_prefix'
-    ];
-});
-```
-
 Usage
 -----
 
diff --git a/src/Drivers/Ephemeral.php b/src/Drivers/Ephemeral.php
index b7dbb24..19a14e8 100644
--- a/src/Drivers/Ephemeral.php
+++ b/src/Drivers/Ephemeral.php
@@ -8,22 +8,7 @@
 class Ephemeral implements Cacheable
 {
     /** @var array Array of cached items */
-    protected $cache = [null => []];
-
-    /** @var string Prefix string to prevent collisions */
-    protected $prefix = '';
-
-    /**
-     * Stash\Drivers\Ephemeral constructor, runs on object creation.
-     *
-     * @param \Closure|null $closure Anonymous configuration function
-     */
-    public function __construct(\Closure $closure = null)
-    {
-        if (is_callable($closure)) {
-            $this->prefix = $closure()['prefix'];
-        }
-    }
+    protected $cache = [];
 
     /**
      * Put an item into the cache for a specified duration.
@@ -36,7 +21,7 @@ public function __construct(\Closure $closure = null)
      */
     public function put($key, $data, $minutes = 0)
     {
-        $this->cache[$this->prefix][$key] = new Item($data, $minutes);
+        $this->cache[$key] = new Item($data, $minutes);
 
         return true;
     }
@@ -64,8 +49,8 @@ public function forever($key, $data)
      */
     public function get($key, $default = false)
     {
-        if (array_key_exists($key, $this->cache[$this->prefix])) {
-            $item = $this->cache[$this->prefix][$key];
+        if (array_key_exists($key, $this->cache)) {
+            $item = $this->cache[$key];
             if ($item->notExpired()) {
                 return $item->data;
             }
@@ -83,8 +68,8 @@ public function get($key, $default = false)
      */
     public function has($key)
     {
-        if (array_key_exists($key, $this->cache[$this->prefix])) {
-            $item = $this->cache[$this->prefix][$key];
+        if (array_key_exists($key, $this->cache)) {
+            $item = $this->cache[$key];
 
             return $item->notExpired();
         }
@@ -138,8 +123,8 @@ public function rememberForever($key, \Closure $closure)
      */
     public function increment($key, $value = 1)
     {
-        if (array_key_exists($key, $this->cache[$this->prefix])) {
-            $item = $this->cache[$this->prefix][$key];
+        if (array_key_exists($key, $this->cache)) {
+            $item = $this->cache[$key];
 
             return $item->increment($value);
         }
@@ -182,8 +167,8 @@ public function touch($key, $minutes = 0)
      */
     public function forget($key)
     {
-        if (array_key_exists($key, $this->cache[$this->prefix])) {
-            unset($this->cache[$this->prefix][$key]);
+        if (array_key_exists($key, $this->cache)) {
+            unset($this->cache[$key]);
 
             return true;
         }
@@ -198,7 +183,7 @@ public function forget($key)
      */
     public function flush()
     {
-        $this->cache[$this->prefix] = [];
+        $this->cache = [];
 
         return true;
     }
diff --git a/tests/CacheTest.php b/tests/CacheTest.php
index 50195e6..9337f7a 100644
--- a/tests/CacheTest.php
+++ b/tests/CacheTest.php
@@ -104,16 +104,6 @@ public function test_it_can_instantiate_the_ephemeral_driver()
         $this->assertInstanceOf(Stash\Drivers\Ephemeral::class, $ephemeral);
     }
 
-    public function test_it_can_instantiate_the_ephemeral_driver_with_prefix()
-    {
-        $ephemeral = Stash\Cache::make('ephemeral', function () {
-            return ['prefix' => 'stash_test'];
-        });
-
-        $this->assertInstanceOf(Stash\Interfaces\Cacheable::class, $ephemeral);
-        $this->assertInstanceOf(Stash\Drivers\Ephemeral::class, $ephemeral);
-    }
-
     public function test_it_throws_an_exception_for_an_invalid_driver()
     {
         $this->setExpectedException(Stash\Exceptions\InvalidDriverException::class);