Version 4.2.0

applications/core/interface/imageproxy/imageproxy.php

@@ -1,10 +1,10 @@
 <?php
 /**
 * @brief		Image Proxy
-* @author		<a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
-* @copyright	(c) 2001 - 2016 Invision Power Services, Inc.
-* @license		http://www.invisionpower.com/legal/standards/
-* @package		IPS Community Suite
+* @author		<a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
+* @copyright	(c) Invision Power Services, Inc.
+* @license		https://www.invisioncommunity.com/legal/standards/
+* @package		Invision Community
 * @since		29 Jun 2015
 * @version		SVN_VERSION_NUMBER
 */
@@ -66,6 +66,7 @@ catch ( \UnderflowException $e )
 		$output = \IPS\Http\Url::external( mb_substr( $url, 0, 2 ) === '//' ? "http:{$url}" : $url )->request()->get();
 		/* Check it's a valid image */
 		$image = \IPS\Image::create( (string) $output );
+		$imageExtension = $image->type;
 		unset( $image );
 	}
 	catch ( \Exception $e )
@@ -85,9 +86,9 @@ catch ( \UnderflowException $e )
 	}
 	else
 	{
-		$filename = md5( uniqid() ) . '.' . $image->type;
+		$filename = md5( uniqid() ) . '.' . $imageExtension;
 	}
-	
+
 	/* Cache */
 	$file = \IPS\File::create( 'core_Imageproxycache', $filename, (string) $output, 'imageproxy' );
 	\IPS\Db::i()->replace( 'core_image_proxy', array(