minor symfony#9741 [Console] Fix SymfonyStyle::ask usage (liviubalan, javiereguiluz)

javiereguiluz · javiereguiluz · commit 9d282ec8a86a · 2018-05-15T16:53:55.000+02:00
This PR was merged into the 2.7 branch. Discussion ---------- [Console] Fix SymfonyStyle::ask usage Use function "ctype_digit" instead of "is_integer" because "$number" is not an integer value, but a string  Commits ------- 9bb23e1 Use is_numeric() 38bcfcb [Console] Fix SymfonyStyle::ask usage
diff --git a/console/style.rst b/console/style.rst
@@ -238,11 +238,11 @@ User Input Methods
     the third argument::
 
         $io->ask('Number of workers to start', 1, function ($number) {
-            if (!is_integer($number)) {
-                throw new \RuntimeException('You must type an integer.');
+            if (!is_numeric($number)) {
+                throw new \RuntimeException('You must type a number.');
             }
 
-            return $number;
+            return (int) $number;
         });
 
 :method:`Symfony\\Component\\Console\\Style\\SymfonyStyle::askHidden`
