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vendor/dflydev/placeholder-resolver/src/Dflydev/PlaceholderResolver/DataSource/ArrayDataSource.php

@@ -0,0 +1,61 @@
+<?php
+
+/*
+ * This file is a part of dflydev/placeholder-resolver.
+ *
+ * (c) Dragonfly Development Inc.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Dflydev\PlaceholderResolver\DataSource;
+
+/**
+ * Array Data Source
+ *
+ * Simple array based implementation of the Data Source Interface
+ *
+ * @author Beau Simensen <beau@dflydev.com>
+ */
+class ArrayDataSource implements DataSourceInterface
+{
+    /**
+     * @var array
+     */
+    protected $array;
+
+    /**
+     * Constructor
+     *
+     * @param array $array
+     */
+    public function __construct(array $array = array())
+    {
+        $this->array = $array;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function exists($key, $system = false)
+    {
+        if ($system) {
+            return false;
+        }
+
+        return isset($this->array[$key]);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function get($key, $system = false)
+    {
+        if ($system) {
+            return null;
+        }
+
+        return isset($this->array[$key]) ? $this->array[$key] : null;
+    }
+}