From da4dac86ae46978741280284d96753686f794d86 Mon Sep 17 00:00:00 2001
From: Jesus Manuel Olivas <jesus.olivas@gmail.com>
Date: Tue, 6 Mar 2018 10:48:48 -0800
Subject: [PATCH] [help] Validate examples at TextDescriptor class. (#328)

---
 src/Descriptor/TextDescriptor.php | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/Descriptor/TextDescriptor.php b/src/Descriptor/TextDescriptor.php
index 8018d9e..54f9808 100644
--- a/src/Descriptor/TextDescriptor.php
+++ b/src/Descriptor/TextDescriptor.php
@@ -157,12 +157,14 @@ protected function describeCommand(Command $command, array $options = [])
             (strpos($command->getName(), ':')?:0)
         );
         $commandData = $command->getApplication()->getData();
-        $commands = $commandData['commands'][$namespace];
         $examples = [];
-        foreach ($commands as $item) {
-            if ($item['name'] ==  $command->getName()) {
-                $examples = $item['examples'];
-                break;
+        if (array_key_exists($namespace, $commandData['commands'])) {
+            $commands = $commandData['commands'][$namespace];
+            foreach ($commands as $item) {
+                if ($item['name'] == $command->getName()) {
+                    $examples = $item['examples'];
+                    break;
+                }
             }
         }