Create packer with recursive inclusion and deduplication

includes/fileReader.php

@@ -0,0 +1,10 @@
+<?php
+
+function getAllLines(string $file): iterable
+{
+    $handle = fopen($file, 'r');
+    while (!feof($handle)) {
+        yield fgets($handle);
+    }
+    fclose($handle);
+}

includes/includeBuilder.php

@@ -0,0 +1,18 @@
+<?php
+
+function yieldIncludes(string $file, &$includes, int $depth = 0): iterable
+{
+    if (!isset($includes[$file])) return;
+
+    foreach (getAllLines($file) as $line) {
+        $includeFile = getLineIncludeFile($line);
+        if ($includeFile) {
+            yield from yieldIncludes($includeFile, $includes, $depth + 1);
+            unset($includes[$includeFile]);
+        } else {
+            if ($depth > 0 && str_starts_with($line, '<?php')) continue;
+            if (empty(trim($line))) continue;
+            yield $line;
+        }
+    }
+}

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;
+}

includes/io.php

@@ -0,0 +1,6 @@
+<?php
+
+function line(string $text): void
+{
+    echo $text . PHP_EOL;
+}