[Console] Fix validation of null values using SymfonyStyle::ask()

chalasr · chalasr · commit b170780e846f · 2016-10-03T20:32:28.000+02:00
diff --git a/src/Symfony/Component/Console/Helper/SymfonyQuestionHelper.php b/src/Symfony/Component/Console/Helper/SymfonyQuestionHelper.php
@@ -35,11 +35,11 @@ public function ask(InputInterface $input, OutputInterface $output, Question $qu
         $question->setValidator(function ($value) use ($validator) {
             if (null !== $validator) {
                 $value = $validator($value);
-            }
-
-            // make required
-            if (!is_array($value) && !is_bool($value) && 0 === strlen($value)) {
-                throw new LogicException('A value is required.');
+            } else {
+                // make required
+                if (!is_array($value) && !is_bool($value) && 0 === strlen($value)) {
+                    throw new LogicException('A value is required.');
+                }
             }
 
             return $value;
