add alias for call silent

Author: taylorotwell

src/Illuminate/Console/Concerns/CallsCommands.php

@@ -29,7 +29,7 @@ public function call($command, array $arguments = [])
     }
 
     /**
-     * Call another console command silently.
+     * Call another console command without output.
      *
      * @param  \Symfony\Component\Console\Command\Command|string  $command
      * @param  array  $arguments
@@ -40,6 +40,18 @@ public function callSilent($command, array $arguments = [])
         return $this->runCommand($command, $arguments, new NullOutput);
     }
 
+    /**
+     * Call another console command without output.
+     *
+     * @param  \Symfony\Component\Console\Command\Command|string  $command
+     * @param  array  $arguments
+     * @return int
+     */
+    public function callWithoutOutput($command, array $arguments = [])
+    {
+        return $this->callSilent($command, $arguments);
+    }
+
     /**
      * Run the given the console command.
      *