Added storage feature for file upload

core/Support/Storage.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace Core\Support;
+
+class Storage
+{
+    protected static $baseDir = __DIR__ . '/../../storage/uploads';
+
+    /**
+     * Save uploaded file
+     * @param array $file The $_FILES['your_input'] array
+     * @param string $subdir Optional subdirectory (e.g. 'profilepic')
+     * @param string|false The relative path to the saved file, or false on error
+     */
+    public static function put($file, $subdir = '')
+    {
+        if (!isset($file['tmp_name']) || !is_uploaded_file($file['tmp_name'])) {
+            return false;
+        }
+
+        $dir = rtrim(self::$baseDir . '/' . trim($subdir, '/'), '/');
+        if (!is_dir($dir)) {
+            mkdir($dir, 0777, true);
+        }
+
+        $filename = uniqid() . '_' . preg_replace('/[^a-zA-Z0-9._-]/', '_', $file['name']);
+        $target = $dir . '/' . $filename;
+
+        if (move_uploaded_file($file['tmp_name'], $target)) {
+            // Return relative path for storage
+            return 'uploads' . ($subdir ? '/' . trim($subdir, '/') : '') . '/' . $filename;
+        }
+
+        return false;
+    }
+
+    /**
+     * Get the full path to a stored file
+     */
+    public static function path($relative)
+    {
+        return self::$baseDir . '/' . ltrim($relative, '/');
+    }
+
+    /**
+     * Get a public URL for a stored file (assuming /storage is web-accessible/storage is web-accessible)
+     */
+    public static function url($relative)
+    {
+        return '/storage/' . ltrim($relative, '/');
+    }
+}