return isset($this->getSections()[$delta]);
}
+ /**
+ * Magic method: Implements a deep clone.
+ */
+ public function __clone() {
+ $sections = $this->getSections();
+
+ foreach ($sections as $delta => $item) {
+ $sections[$delta] = clone $item;
+ }
+
+ $this->setSections($sections);
+ }
+
}