- Base is done; most of the language's components are now working!

- Implemented OPCACHE caching
- Added View() token logic
- New FileFetcher added to gather files from given view path

src/FileFetcher.php

@@ -0,0 +1,60 @@
+<?php declare(strict_types=1);
+
+namespace Picea;
+
+class FileFetcher
+{
+    protected array $folderList = [];
+
+    public array $supportedExtensionList = [
+        "phtml", "php", "html",
+    ];
+
+    public function __construct(?array $folderList = null) {
+        if ( $folderList !== null ) {
+            $this->folderList = $folderList;
+        }
+    }
+
+    public function addFolder(string $folder, int $order = 100) : void
+    {
+        $folder = rtrim($folder, DIRECTORY_SEPARATOR);
+
+        $this->folderList[$folder] = [
+            'path' => $folder,
+            'order' => $order,
+        ];
+    }
+
+    public function addFolders(array $folderList) : void
+    {
+        $this->folderList = array_replace($this->folderList, $folderList);
+    }
+
+    public function folderList(?array $set = null) : ?array
+    {
+        return $set === null ? $this->folderList : $this->folderList = $set;
+    }
+
+    public function findFile(string $fileName) : string
+    {
+        usort($this->folderList, fn($a, $b) => $a['order'] <=> $b['order']);
+
+        foreach($this->folderList as $folder) {
+            foreach($this->supportedExtensionList as $extension) {
+                $file = $folder['path'] . DIRECTORY_SEPARATOR . "$fileName.$extension";
+
+                if ( file_exists($file) ) {
+                    return $file;
+                }
+            }
+        }
+
+        throw new \RuntimeException("Given view file `$fileName` can not be found within given folder list..");
+    }
+
+    public function getFileContent(string $fileName) : string
+    {
+        return file_get_contents($this->findFile($fileName));
+    }
+}