+
+ /** @return array Local reference to the global $_SESSION array */
+ public function getSession(): array
+ {
+ return $this->session;
+ }
+
+ /**
+ * @param mixed $default value which will be returned if the $key is undefined
+ *
+ * @return mixed Content stored in session
+ */
+ public function getSessionParameter(string $key, $default = null)
+ {
+ return $this->session[$key] ?? $default;
+ }
+
+ /**
+ * Store a variable in user session.
+ *
+ * @param string $key Session key
+ * @param mixed $value Session value to store
+ *
+ * @return $this
+ */
+ public function setSessionParameter(string $key, $value): self
+ {
+ $this->session[$key] = $value;
+
+ return $this;
+ }
+
+ /**
+ * Store a variable in user session.
+ *
+ * @param string $key Session key
+ *
+ * @return $this
+ */
+ public function deleteSessionParameter(string $key): self
+ {
+ unset($this->session[$key]);
+
+ return $this;
+ }