functions and classes added.

src/Redirect.php

@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * Use 
+ * $redirect->to('/login');
+ * to trigger a redirect
+ */
+
+
+class Redirect {
+    private ?string $url = null;
+    private int $statusCode = 303;
+
+    public function url(string $relativeUrl, int $statusCode = 303): void {
+        $this->statusCode = $statusCode;
+
+        // Detect HTTPS
+        $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ? "https" : "http";
+
+        // Get Hostname
+        $host = $_SERVER['HTTP_HOST'];
+
+        // Get Base Directory
+        $basePath = rtrim(dirname($_SERVER['SCRIPT_NAME']), '/\\');
+
+        // Construct Absolute URL
+        $this->url = "$protocol://$host$basePath/" . ltrim($relativeUrl, '/');
+    }
+
+    public function isset(): bool {
+        return !is_null($this->url);
+    }
+
+    public function execute(): void {
+        if ($this->url) {
+            header("Location: " . $this->url, true, $this->statusCode);
+            exit();
+        }
+    }
+}