diff --git a/src/Symfony/Component/Console/Question/ChoiceQuestion.php b/src/Symfony/Component/Console/Question/ChoiceQuestion.php
index 72703fb16767e..6247ca7162eb0 100644
--- a/src/Symfony/Component/Console/Question/ChoiceQuestion.php
+++ b/src/Symfony/Component/Console/Question/ChoiceQuestion.php
@@ -131,18 +131,18 @@ private function getDefaultValidator(): callable
return function ($selected) use ($choices, $errorMessage, $multiselect, $isAssoc) {
if ($multiselect) {
// Check for a separated comma values
- if (!preg_match('/^[^,]+(?:,[^,]+)*$/', $selected, $matches)) {
+ if (!preg_match('/^[^,]+(?:,[^,]+)*$/', (string) $selected, $matches)) {
throw new InvalidArgumentException(sprintf($errorMessage, $selected));
}
- $selectedChoices = explode(',', $selected);
+ $selectedChoices = explode(',', (string) $selected);
} else {
$selectedChoices = [$selected];
}
if ($this->isTrimmable()) {
foreach ($selectedChoices as $k => $v) {
- $selectedChoices[$k] = trim($v);
+ $selectedChoices[$k] = trim((string) $v);
}
}
diff --git a/src/Symfony/Component/Console/Tests/Question/ChoiceQuestionTest.php b/src/Symfony/Component/Console/Tests/Question/ChoiceQuestionTest.php
index 9db12f8528412..327f69ad79a8f 100644
--- a/src/Symfony/Component/Console/Tests/Question/ChoiceQuestionTest.php
+++ b/src/Symfony/Component/Console/Tests/Question/ChoiceQuestionTest.php
@@ -19,14 +19,15 @@ class ChoiceQuestionTest extends TestCase
/**
* @dataProvider selectUseCases
*/
- public function testSelectUseCases($multiSelect, $answers, $expected, $message)
+ public function testSelectUseCases($multiSelect, $answers, $expected, $message, $default = null)
{
$question = new ChoiceQuestion('A question', [
'First response',
'Second response',
'Third response',
'Fourth response',
- ]);
+ null,
+ ], $default);
$question->setMultiselect($multiSelect);
@@ -59,6 +60,19 @@ public function selectUseCases()
['First response', 'Second response'],
'When passed multiple answers on MultiSelect, the defaultValidator must return these answers as an array',
],
+ [
+ false,
+ [null],
+ null,
+ 'When used null as default single answer on singleSelect, the defaultValidator must return this answer as null',
+ ],
+ [
+ false,
+ ['First response'],
+ 'First response',
+ 'When used a string as default single answer on singleSelect, the defaultValidator must return this answer as a string',
+ 'First response',
+ ],
];
}
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