str_replace() on NULL (joomla#40528)

Denitz · web-flow · commit 06e4116e1308 · 2023-11-14T23:54:12.000+01:00
diff --git a/administrator/components/com_installer/src/Controller/UpdateController.php b/administrator/components/com_installer/src/Controller/UpdateController.php
@@ -61,7 +61,7 @@ public function update()
         $redirect_url = $app->getUserState('com_installer.redirect_url');
 
         // Don't redirect to an external URL.
-        if (!Uri::isInternal($redirect_url)) {
+        if ($redirect_url && !Uri::isInternal($redirect_url)) {
             $redirect_url = '';
         }
 

Original file line number	Diff line number	Diff line change
`@@ -61,7 +61,7 @@ public function update()`
`61`	`61`	`$redirect_url = $app->getUserState('com_installer.redirect_url');`
`62`	`62`
`63`	`63`	`// Don't redirect to an external URL.`
`64`		`- if (!Uri::isInternal($redirect_url)) {`
	`64`	`+ if ($redirect_url && !Uri::isInternal($redirect_url)) {`
`65`	`65`	`$redirect_url = '';`
`66`	`66`	`}`
`67`	`67`