Update to Kirby 5

kirby/config/fields/mixins/layout.php

@@ -7,8 +7,11 @@ return [
 		 * Available layouts: `list`, `cardlets`, `cards`
 		 */
 		'layout' => function (string $layout = 'list') {
-			$layouts = ['list', 'cardlets', 'cards'];
-			return in_array($layout, $layouts) ? $layout : 'list';
+			return match ($layout) {
+				'cards'    => 'cards',
+				'cardlets' => 'cardlets',
+				default    => 'list'
+			};
 		},
 
 		/**

kirby/config/fields/mixins/options.php

@@ -36,7 +36,7 @@ return [
 		},
 		'sanitizeOption' => function ($value) {
 			$options = array_column($this->options(), 'value');
-			return in_array($value, $options) === true ? $value : null;
+			return in_array($value, $options) ? $value : null;
 		},
 		'sanitizeOptions' => function ($values) {
 			$options = array_column($this->options(), 'value');

kirby/config/fields/mixins/upload.php

@@ -34,7 +34,9 @@ return [
 				$parent = $this->uploadParent($uploads['parent'] ?? null);
 
 				if ($parent === null) {
-					throw new InvalidArgumentException('"' . $uploads['parent'] . '" could not be resolved as a valid parent for the upload');
+					throw new InvalidArgumentException(
+						message: '"' . $uploads['parent'] . '" could not be resolved as a valid parent for the upload'
+					);
 				}
 
 				$file = new File([
@@ -52,7 +54,9 @@ return [
 	'methods' => [
 		'upload' => function (Api $api, $params, Closure $map) {
 			if ($params === false) {
-				throw new Exception('Uploads are disabled for this field');
+				throw new Exception(
+					message: 'Uploads are disabled for this field'
+				);
 			}
 
 			$parent = $this->uploadParent($params['parent'] ?? null);
@@ -68,7 +72,9 @@ return [
 				$file = $parent->createFile($props, true);
 
 				if ($file instanceof File === false) {
-					throw new Exception('The file could not be uploaded');
+					throw new Exception(
+						message: 'The file could not be uploaded'
+					);
 				}
 
 				return $map($file, $parent);