Add upstream plugins

Signed-off-by: Adrian Nöthlich <git@promasu.tech>

wp-content/plugins/all-in-one-event-calendar/lib/cache/memory.php

@@ -0,0 +1,102 @@
+<?php
+
+/**
+ * In-memory cache storage engine.
+ *
+ * Store values in memory, for use in a single session scope.
+ *
+ * @instantiator new
+ * @author       Time.ly Network, Inc.
+ * @since        2.0
+ * @package      Ai1EC
+ * @subpackage   Ai1EC.Cache
+ */
+final class Ai1ec_Cache_Memory implements Ai1ec_Cache_Interface {
+
+    /**
+     * @var array Map of memory entries.
+     */
+    protected $_entries          = array();
+
+    /**
+     * @var int Number of entries to hold in map.
+     */
+    protected $_limit            = 0;
+
+    /**
+     * Constructor initiates stack (memory) length.
+     *
+     * @param int $limit Number of entries specific to this location.
+     *
+     * @return void Constructor does not return.
+     */
+    public function __construct( $limit = 50 ) {
+        $limit = (int)$limit;
+        if ( $limit < 10 ) {
+            $limit = 10;
+        }
+        $this->_limit = $limit;
+    }
+
+    /**
+     * Write data to memory under given key.
+     *
+     * @param string $key   Key under which value must be written.
+     * @param mixed  $value Value to associate with given key.
+     *
+     * @return bool Success.
+     */
+    public function set( $key, $value ) {
+        if ( count( $this->_entries ) > $this->_limit ) {
+            array_shift( $this->_entries ); // discard
+        }
+        $this->_entries[$key] = $value;
+        return true;
+    }
+
+    /**
+     * Add data to memory under given key, if it does not exist.
+     *
+     * @param string $key   Key under which value must be added.
+     * @param mixed  $value Value to associate with given key.
+     *
+     * @return bool Success.
+     */
+    public function add( $key, $value ) {
+        if ( isset( $this->_entries[$key] ) ) {
+            return false;
+        }
+        return $this->set( $key, $value );
+    }
+
+    /**
+     * Retrieve data from memory, stored under specified key.
+     *
+     * @param string $key     Key under which value is expected to be.
+     * @param mixed  $default Value to return if nothing is found.
+     *
+     * @return mixed Found value or {$default}.
+     */
+    public function get( $key, $default = NULL ) {
+        if ( ! isset( $this->_entries[$key] ) ) {
+            return $default;
+        }
+        return $this->_entries[$key];
+    }
+
+    /**
+     * Remove entry from cache table.
+     *
+     * @param string $key Key to be removed.
+     *
+     * @return bool Success.
+     */
+    public function delete( $key ) {
+        if ( ! isset( $this->_entries[$key] ) ) {
+            return false;
+        }
+        unset( $this->_entries[$key] );
+        return true;
+    }
+
+}