first commit

system/Exceptions/PageNotFoundException.php

@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * This file is part of the CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Exceptions;
+
+use OutOfBoundsException;
+
+class PageNotFoundException extends OutOfBoundsException implements ExceptionInterface
+{
+	use DebugTraceableTrait;
+
+	/**
+	 * Error code
+	 *
+	 * @var integer
+	 */
+	protected $code = 404;
+
+	public static function forPageNotFound(string $message = null)
+	{
+		return new static($message ?? lang('HTTP.pageNotFound'));
+	}
+
+	public static function forEmptyController()
+	{
+		return new static(lang('HTTP.emptyController'));
+	}
+
+	public static function forControllerNotFound(string $controller, string $method)
+	{
+		return new static(lang('HTTP.controllerNotFound', [$controller, $method]));
+	}
+
+	public static function forMethodNotFound(string $method)
+	{
+		return new static(lang('HTTP.methodNotFound', [$method]));
+	}
+}