Create packer with recursive inclusion and deduplication

includes/includeParser.php

@@ -0,0 +1,21 @@
+<?php
+
+function getLineIncludeFile(string $line): false|string
+{
+    preg_match("/include\s+'([^']+\.php)'/", $line, $matches);
+    if (count($matches) === 2) {
+        return $matches[1];
+    }
+    return false;
+}
+
+function buildIncludes(string $file, array &$includes): void
+{
+    foreach (getAllLines($file) as $line) {
+        $includeFile = getLineIncludeFile($line);
+        if ($includeFile) {
+            buildIncludes($includeFile, $includes);
+        }
+    }
+    $includes[$file] = true;
+}