From a15779cf53ca9b673501b6ced374e5c1ba16003f Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Mon, 7 Mar 2016 00:44:45 +0000
Subject: [PATCH] Fix issue handling false children in why-not command

---
 src/Composer/Command/BaseDependencyCommand.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Composer/Command/BaseDependencyCommand.php b/src/Composer/Command/BaseDependencyCommand.php
index faa08764d..b0cfe7f7d 100644
--- a/src/Composer/Command/BaseDependencyCommand.php
+++ b/src/Composer/Command/BaseDependencyCommand.php
@@ -159,7 +159,9 @@ class BaseDependencyCommand extends BaseCommand
                 $doubles[$unique] = true;
                 $version = (strpos($package->getPrettyVersion(), 'No version set') === 0) ? '-' : $package->getPrettyVersion();
                 $rows[] = array($package->getPrettyName(), $version, $link->getDescription(), sprintf('%s (%s)', $link->getTarget(), $link->getPrettyConstraint()));
-                $queue = array_merge($queue, $children);
+                if ($children) {
+                    $queue = array_merge($queue, $children);
+                }
             }
             $results = $queue;
             $table = array_merge($rows, $table);