From f371fd8ced1e993a74adfb7057c73d1f118d40f4 Mon Sep 17 00:00:00 2001
From: Maxim Lovchikov <lmndev@gmail.com>
Date: Sat, 24 Feb 2018 16:59:02 +0000
Subject: [PATCH] Fix ArrayInput::toString() for InputArgument::IS_ARRAY args

---
 src/Symfony/Component/Console/Input/ArrayInput.php           | 2 +-
 src/Symfony/Component/Console/Tests/Input/ArrayInputTest.php | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Console/Input/ArrayInput.php b/src/Symfony/Component/Console/Input/ArrayInput.php
index bf987f98e1..eb921fd19e 100644
--- a/src/Symfony/Component/Console/Input/ArrayInput.php
+++ b/src/Symfony/Component/Console/Input/ArrayInput.php
@@ -103,7 +103,7 @@ class ArrayInput extends Input
                     $params[] = $param.('' != $val ? '='.$this->escapeToken($val) : '');
                 }
             } else {
-                $params[] = is_array($val) ? array_map(array($this, 'escapeToken'), $val) : $this->escapeToken($val);
+                $params[] = is_array($val) ? implode(' ', array_map(array($this, 'escapeToken'), $val)) : $this->escapeToken($val);
             }
         }
 
diff --git a/src/Symfony/Component/Console/Tests/Input/ArrayInputTest.php b/src/Symfony/Component/Console/Tests/Input/ArrayInputTest.php
index 608020a5ca..b998172e62 100644
--- a/src/Symfony/Component/Console/Tests/Input/ArrayInputTest.php
+++ b/src/Symfony/Component/Console/Tests/Input/ArrayInputTest.php
@@ -143,5 +143,8 @@ class ArrayInputTest extends TestCase
 
         $input = new ArrayInput(array('-b' => array('bval_1', 'bval_2'), '--f' => array('fval_1', 'fval_2')));
         $this->assertSame('-b=bval_1 -b=bval_2 --f=fval_1 --f=fval_2', (string) $input);
+
+        $input = new ArrayInput(array('array_arg' => array('val_1', 'val_2')));
+        $this->assertSame('val_1 val_2', (string) $input);
     }
 }