Upgrade to 3.2.0

kirby/src/Cache/MemoryCache.php

@@ -0,0 +1,83 @@
+<?php
+
+namespace Kirby\Cache;
+
+/**
+ * Memory Cache Driver (cache in memory for current request only)
+ *
+ * @package   Kirby Cache
+ * @author    Lukas Bestle <lukas@getkirby.com>
+ * @link      https://getkirby.com
+ * @copyright Bastian Allgeier GmbH
+ * @license   https://opensource.org/licenses/MIT
+ */
+class MemoryCache extends Cache
+{
+
+    /**
+     * Cache data
+     * @var array
+     */
+    protected $store = [];
+
+    /**
+     * Writes an item to the cache for a given number of minutes and
+     * returns whether the operation was successful
+     *
+     * <code>
+     *   // put an item in the cache for 15 minutes
+     *   $cache->set('value', 'my value', 15);
+     * </code>
+     *
+     * @param string $key
+     * @param mixed $value
+     * @param int $minutes
+     * @return boolean
+     */
+    public function set(string $key, $value, int $minutes = 0): bool
+    {
+        $this->store[$key] = new Value($value, $minutes);
+        return true;
+    }
+
+    /**
+     * Internal method to retrieve the raw cache value;
+     * needs to return a Value object or null if not found
+     *
+     * @param string $key
+     * @return Kirby\Cache\Value|null
+     */
+    public function retrieve(string $key)
+    {
+        return $this->store[$key] ?? null;
+    }
+
+    /**
+     * Removes an item from the cache and returns
+     * whether the operation was successful
+     *
+     * @param string $key
+     * @return boolean
+     */
+    public function remove(string $key): bool
+    {
+        if (isset($this->store[$key])) {
+            unset($this->store[$key]);
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * Flushes the entire cache and returns
+     * whether the operation was successful
+     *
+     * @return boolean
+     */
+    public function flush(): bool
+    {
+        $this->store = [];
+        return true;
+    }
+}