Fixed bug REDIRECT_URL not exists + views base Layout

public/signup/index.php

@@ -1,20 +1,30 @@
 <?php require_once '/src/base.php' ?>
 <?php
 
-# process URI
-$path = trim($_SERVER['REDIRECT_URL'], '/');
-$args = explode('/', $path);
+$signup_method = null;
+if (isset($_SERVER['REDIRECT_URL'])) {
 
-# no args is very unlikely, but still
-if (count($args) === 0) {
-	die('Unexpected error');
-}
+	# process URI
+	$path = trim($_SERVER['REDIRECT_URL'], '/');
+	$args = explode('/', $path);
+
+	# no args is very unlikely, but still
+	if (count($args) === 0) {
+		die('Unexpected error');
+	}
 
-# get the signup method from URL
-$signup_method = $args[0];
-if (!in_array($signup_method, ['mastodon'])) {
-	die('The given arguments are not correct');
+	# get the signup method from URL
+	$signup_method = $args[1];
+	if (!in_array($signup_method, ['mastodon'])) {
+		die('The given arguments are not correct');
+	}
 }
 
-# show arguments
-var_dump($signup_method);
+?>
+<?php require '/src/views/head.php' ?>
+<?php require '/src/views/public/head.php' ?>
+<main>
+SIGNUP: <?php echo $signup_method ?>
+</main>
+<?php require '/src/views/public/foot.php' ?>
+<?php require '/src/views/foot.php' ?>

public/user/index.php

@@ -1,6 +1,10 @@
 <?php require_once '/src/base.php' ?>
 <?php
 
+if (!isset($_SERVER['REDIRECT_URL'])) {
+	header('Location: /'); die;
+}
+
 # process URI
 $path = trim($_SERVER['REDIRECT_URL'], '/');
 $args = explode('/', $path);
@@ -22,6 +26,11 @@ if (!preg_match('/^@[a-zA-Z0-9_]+@[a-z0-9\-\.]+$/', $fediverse_id)) {
 }
 $args = array_splice($args, 1);
 
-# show arguments
-var_dump($fediverse_id);
-var_dump($args);
+?>
+<?php require '/src/views/head.php' ?>
+<?php require '/src/views/public/head.php' ?>
+<main>
+USER: <?php echo $fediverse_id ?>
+</main>
+<?php require '/src/views/public/foot.php' ?>
+<?php require '/src/views/foot.php' ?>

src/views/public/foot.php

@@ -0,0 +1,2 @@
+<?php
+

src/views/public/head.php

@@ -0,0 +1,2 @@
+<?php
+