Allow NumberToLocalizedStringTransformer empty values

gnat42 · gnat42 · commit d310abbbbdb0 · 2025-06-03T14:24:16.000-06:00
diff --git a/src/Symfony/Component/Form/Extension/Core/DataTransformer/NumberToLocalizedStringTransformer.php b/src/Symfony/Component/Form/Extension/Core/DataTransformer/NumberToLocalizedStringTransformer.php
@@ -48,7 +48,7 @@ public function __construct(
      */
     public function transform(mixed $value): string
     {
-        if (null === $value) {
+        if (null === $value || '' === $value) {
             return '';
         }
 
diff --git a/src/Symfony/Component/Form/Tests/Extension/Core/DataTransformer/NumberToLocalizedStringTransformerTest.php b/src/Symfony/Component/Form/Tests/Extension/Core/DataTransformer/NumberToLocalizedStringTransformerTest.php
@@ -49,7 +49,8 @@ public static function provideTransformations()
     {
         return [
             [null, '', 'de_AT'],
-            [1, '1', 'de_AT'],
+            ['', '', 'de_AT'],
+	    [1, '1', 'de_AT'],
             [1.5, '1,5', 'de_AT'],
             [1234.5, '1234,5', 'de_AT'],
             [12345.912, '12345,912', 'de_AT'],

Original file line number	Diff line number	Diff line change
`@@ -48,7 +48,7 @@ public function __construct(`
`48`	`48`	`*/`
`49`	`49`	`public function transform(mixed $value): string`
`50`	`50`	`{`
`51`		`- if (null === $value) {`
	`51`	`+ if (null === $value \|\| '' === $value) {`
`52`	`52`	`return '';`
`53`	`53`	`}`
`54`	`54`