bug symfony#24096 Fix ArrayInput::toString() for VALUE_IS_ARRAY options/args (chalasr)

This PR was merged into the 2.7 branch.

Discussion
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Fix ArrayInput::toString() for VALUE_IS_ARRAY options/args

| Q             | A
| ------------- | ---
| Branch?       | 2.7
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | symfony#24087
| License       | MIT
| Doc PR        | n/a

Commits
-------

2ba5005 Fix ArrayInput::toString() for VALUE_IS_ARRAY options/args

Author: fabpot

src/Symfony/Component/Console/Input/ArrayInput.php

@@ -101,9 +101,15 @@ public function __toString()
         $params = array();
         foreach ($this->parameters as $param => $val) {
             if ($param && '-' === $param[0]) {
-                $params[] = $param.('' != $val ? '='.$this->escapeToken($val) : '');
+                if (is_array($val)) {
+                    foreach ($val as $v) {
+                        $params[] = $param.('' != $v ? '='.$this->escapeToken($v) : '');
+                    }
+                } else {
+                    $params[] = $param.('' != $val ? '='.$this->escapeToken($val) : '');
+                }
             } else {
-                $params[] = $this->escapeToken($val);
+                $params[] = is_array($val) ? array_map(array($this, 'escapeToken'), $val) : $this->escapeToken($val);
             }
         }
 

src/Symfony/Component/Console/Tests/Input/ArrayInputTest.php

@@ -140,5 +140,8 @@ public function testToString()
     {
         $input = new ArrayInput(array('-f' => null, '-b' => 'bar', '--foo' => 'b a z', '--lala' => null, 'test' => 'Foo', 'test2' => "A\nB'C"));
         $this->assertEquals('-f -b=bar --foo='.escapeshellarg('b a z').' --lala Foo '.escapeshellarg("A\nB'C"), (string) $input);
+
+        $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);
     }
 }