1 files changed, 129 insertions, 0 deletions
diff --git a/lib/classes/MultiDimArrayObject.php b/lib/classes/MultiDimArrayObject.php
new file mode 100644
index 0000000..b578018
--- /dev/null
+++ b/lib/classes/MultiDimArrayObject.php
@@ -0,0 +1,129 @@
+<?php
+/**
+ * MultiDimArrayObject
+ *
+ *
+ * @author      André Noack <noack@data-quest.de>
+ *
+ */
+class MultiDimArrayObject extends StudipArrayObject
+{
+    /**
+     * Constructor
+     *
+     * @param array  $input
+     * @param int    $flags
+     * @param string $iteratorClass
+     */
+    public function __construct($input = [], $flags = self::STD_PROP_LIST, $iteratorClass = 'ArrayIterator')
+    {
+        parent::__construct([], $flags, $iteratorClass);
+        $this->exchangeArray($input);
+    }
+
+    /**
+     * Appends the value
+     *
+     * @param  mixed $value
+     * @return void
+     */
+    public function append($value)
+    {
+        $this->offsetSet(null, $value);
+    }
+
+    /**
+     * Exchange the array for another one.
+     *
+     * @param  array|ArrayObject $data
+     * @return array
+     */
+    public function exchangeArray($data)
+    {
+        if (!is_array($data) && !is_object($data)) {
+            throw new InvalidArgumentException('Passed variable is not an array or object');
+        }
+
+        if ($data instanceof \StudipArrayObject) {
+            $data = $data->getArrayCopy();
+        }
+        if (!is_array($data)) {
+            $data = (array) $data;
+        }
+
+        $storage = $this->storage;
+
+        $this->storage = $this->recursiveArrayToArrayObjects($data);
+
+        return $storage;
+    }
+
+    /**
+     * Creates a copy of the ArrayObject.
+     *
+     * @return array
+     */
+    public function getArrayCopy()
+    {
+        $ret = [];
+        foreach($this->storage as $key => $value) {
+            if ($value instanceOf StudipArrayObject) {
+                $ret[$key] = $value->getArrayCopy();
+            } else {
+                $ret[$key] = $value;
+            }
+        }
+        return $ret;
+    }
+
+    /**
+     * Create a new iterator from an ArrayObject instance
+     */
+    public function getIterator(): Traversable
+    {
+        $class = $this->iteratorClass;
+
+        return new $class($this->getArrayCopy());
+    }
+
+    /**
+     * Sets the value at the specified key to value
+     *
+     * @param  mixed $key
+     * @param  mixed $value
+     */
+    public function offsetSet($key, $value): void
+    {
+        $new_value = $this->recursiveArrayToArrayObjects($value);
+        if (is_array($new_value)) {
+            $class = get_called_class();
+            $new_value = new $class($new_value, $this->getFlags(), $this->getIteratorClass());
+        }
+        if (is_null($key)) {
+            $this->storage[] = $new_value;
+        } else {
+            $this->storage[$key] = $new_value;
+        }
+    }
+
+    protected function recursiveArrayToArrayObjects($data)
+    {
+        if ($data instanceOf StudipArrayObject) {
+            $data = $data->getArrayCopy();
+        }
+        if (is_array($data)) {
+            $new_data = [];
+            foreach ($data as $key => $value) {
+                $new_value = $this->recursiveArrayToArrayObjects($value);
+                if (is_array($new_value)) {
+                    $class = get_called_class();
+                    $new_data[$key] = new $class($new_value, $this->getFlags(), $this->getIteratorClass());
+                } else {
+                    $new_data[$key] = $value;
+                }
+            }
+            return $new_data;
+        }
+        return $data;
+    }
+}