FTN Packet inspection

app/Classes/FTN.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Classes;
+
+abstract class FTN
+{
+	/**
+	 * Determine if a line is a kludge line.
+	 *
+	 * @param string $kludge
+	 * @param string $string
+	 * @return string
+	 */
+	protected function kludge(string $kludge,string $string)
+	{
+		return (preg_match("/^{$kludge}/",$string))
+			? chop(preg_replace("/^{$kludge}/",'',$string),"\r")
+			: FALSE;
+	}
+
+	/**
+	 * This function creates our unpack header
+	 * @return string
+	 */
+	protected function unpackheader(array $pack)
+	{
+		return join('/',array_values(collect($pack)
+			->sortBy(function($k,$v) {return $k[0];})
+			->transform(function($k,$v) {return $k[1].$v;})->toArray()));
+	}
+}