diff --git a/src/Session.php b/src/Session.php
index ee63ef8..a88fb8e 100644
--- a/src/Session.php
+++ b/src/Session.php
@@ -311,6 +311,16 @@ public function clear(): self
         return $this;
     }
 
+	/**
+	 * Retrieve all session data.
+	 *
+	 * @return array An associative array containing all session data.
+	 */
+	public function getAll(): array
+	{
+		return $this->data;
+	}
+
 	/**
 	 * Commits the current session data and writes it to the storage.
 	 *
diff --git a/tests/SessionTest.php b/tests/SessionTest.php
index 914b4a3..d85bdb9 100644
--- a/tests/SessionTest.php
+++ b/tests/SessionTest.php
@@ -477,4 +477,26 @@ public function testWriteWithNoChanges(): void
         $result = $writeMethod->invoke($session, $sessionId, 'data');
         $this->assertTrue($result);
     }
-}
\ No newline at end of file
+
+	public function testGetAll(): void
+	{
+		$session = new Session([
+			'save_path' => $this->tempDir,
+			'encryption_key' => null,
+			'auto_commit' => false,
+			'start_session' => false,
+			'test_mode' => true
+		]);
+
+		$session->set('key1', 'value1');
+		$session->set('key2', 'value2');
+
+		$expectedData = [
+			'key1' => 'value1',
+			'key2' => 'value2'
+		];
+
+		$this->assertEquals($expectedData, $session->getAll());
+	}
+
+}