New Library

server/vendor/php-opencloud/common/src/Common/ArrayAccessTrait.php

@@ -0,0 +1,67 @@
+<?php
+
+namespace OpenCloud\Common;
+
+/**
+ * Encapsulates common logic for classes which implement the SPL \ArrayAccess interface.
+ *
+ * @package OpenCloud\Common
+ */
+trait ArrayAccessTrait
+{
+    /**
+     * The internal state that this object represents
+     *
+     * @var array
+     */
+    private $internalState = [];
+
+    /**
+     * Sets an internal key with a value.
+     *
+     * @param string $offset
+     * @param mixed  $value
+     */
+    public function offsetSet($offset, $value)
+    {
+        if (null === $offset) {
+            $this->internalState[] = $value;
+        } else {
+            $this->internalState[$offset] = $value;
+        }
+    }
+
+    /**
+     * Checks whether an internal key exists.
+     *
+     * @param string $offset
+     *
+     * @return bool
+     */
+    public function offsetExists($offset)
+    {
+        return isset($this->internalState[$offset]);
+    }
+
+    /**
+     * Unsets an internal key.
+     *
+     * @param string $offset
+     */
+    public function offsetUnset($offset)
+    {
+        unset($this->internalState[$offset]);
+    }
+
+    /**
+     * Retrieves an internal key.
+     *
+     * @param string $offset
+     *
+     * @return mixed|null
+     */
+    public function offsetGet($offset)
+    {
+        return $this->offsetExists($offset) ? $this->internalState[$offset] : null;
+    }
+}