Move to more PSR-4 standards.

lib/OpenPgP/ModificationDetectionCodePacket.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Leenooks\OpenPGP;
+
+/**
+ * OpenPGP Modification Detection Code packet (tag 19).
+ *
+ * @see http://tools.ietf.org/html/rfc4880#section-5.14
+ */
+class ModificationDetectionCodePacket extends Packet
+{
+	protected $tag = 19;
+
+	function header_and_body(): array
+	{
+		// Get body first, we will need it's length
+		$body = $this->body();
+
+		if (strlen($body) != 20)
+			throw new Exception("Bad ModificationDetectionCodePacket");
+
+		return ['header'=>"\xD3\x14",'body'=>$body];
+	}
+
+	function read()
+	{
+		$this->data = $this->input;
+
+		if (strlen($this->input) != 20)
+			throw new Exception("Bad ModificationDetectionCodePacket");
+	}
+}