From a567501e58e0fc138daa50cbc29a07a0e4ea3e3d Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Wed, 24 Jan 2018 10:19:21 +0100
Subject: [PATCH] Fix ConsoleIO::select regression in which 1.5.3-1.6.2
 returned the selected values instead of index keys, fixes #7000

---
 src/Composer/IO/ConsoleIO.php | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/Composer/IO/ConsoleIO.php b/src/Composer/IO/ConsoleIO.php
index f3a99edf2..bef7cea9f 100644
--- a/src/Composer/IO/ConsoleIO.php
+++ b/src/Composer/IO/ConsoleIO.php
@@ -289,7 +289,16 @@ class ConsoleIO extends BaseIO
         $question->setErrorMessage($errorMessage);
         $question->setMultiselect($multiselect);
 
-        return $helper->ask($this->input, $this->getErrorOutput(), $question);
+        $result = $helper->ask($this->input, $this->getErrorOutput(), $question);
+
+        $results = array();
+        foreach ($choices as $index => $choice) {
+            if (in_array($choice, $result, true)) {
+                $results[] = (string) $index;
+            }
+        }
+
+        return $results;
     }
 
     /**