Remove IncomingRequest dependency

Author: MGatner

system/CodeIgniter.php

@@ -40,7 +40,6 @@
 use Closure;
 use CodeIgniter\Filters\Exceptions\FilterException;
 use CodeIgniter\HTTP\DownloadResponse;
-use CodeIgniter\HTTP\IncomingRequest;
 use CodeIgniter\HTTP\RedirectResponse;
 use CodeIgniter\HTTP\Request;
 use CodeIgniter\HTTP\ResponseInterface;
@@ -969,8 +968,13 @@ protected function gatherOutput($cacheConfig = null, $returned = null)
 	 */
 	public function storePreviousURL($uri)
 	{
-		// Only valid for some requests
-		if (! $this->request instanceof IncomingRequest || $this->request->isCLI() || $this->request->isAJAX())
+		// Ignore CLI requests
+		if (method_exists($this->request, 'isCLI') && $this->request->isCLI())
+		{
+			return;
+		}
+		// Ignore AJAX requests
+		if (method_exists($this->request, 'isAJAX') && $this->request->isAJAX())
 		{
 			return;
 		}