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kernel/helpers/Debug.php

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+<?php
+
+namespace kernel\helpers;
+
+class Debug
+{
+    public static function prn($content)
+    {
+        echo '<pre style="background: lightgray; border: 1px solid black; padding: 2px">';
+        print_r($content);
+        echo '</pre>';
+    }
+    public static function dd($content)
+    {
+        echo '<pre style="background: lightgray; border: 1px solid black; padding: 2px">';
+        print_r($content);
+        echo '</pre>';
+        die();
+    }
+}

kernel/helpers/Files.php

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+<?php
+
+namespace kernel\helpers;
+
+use FilesystemIterator;
+
+class Files
+{
+    public function copy_folder($d1, $d2): void
+    {
+        if (is_dir($d1)) {
+            if (!file_exists($d2)){
+                $_d2 = mkdir($d2, permissions: 0755, recursive: true);
+                if (!$_d2) {
+                    return;
+                }
+            }
+
+            $d = dir($d1);
+            while (false !== ($entry = $d->read())) {
+                if ($entry != '.' && $entry != '..') {
+                    $this->copy_folder("$d1/$entry", "$d2/$entry");
+                }
+            }
+            $d->close();
+        } else {
+            copy($d1, $d2);
+        }
+    }
+
+    public function recursiveRemoveDir($dir): void
+    {
+        $includes = new FilesystemIterator($dir);
+        foreach ($includes as $include) {
+            if(is_dir($include) && !is_link($include)) {
+                $this->recursiveRemoveDir($include);
+            }
+            else {
+                unlink($include);
+            }
+        }
+        rmdir($dir);
+    }
+}

kernel/helpers/Manifest.php

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+<?php
+
+namespace kernel\helpers;
+
+class Manifest
+{
+
+    public static function getWithVars(string $manifestJson): array
+    {
+        $manifest = json_decode($manifestJson, true);
+        $keys = ["{slug}" => $manifest['slug']];
+        foreach($keys as $key => $value)
+        {
+            $manifestJson = str_replace($key, $value, $manifestJson);
+        }
+
+        return json_decode($manifestJson, true);
+    }
+
+}