diff --git a/src/Symfony/Component/Config/Definition/Dumper/YamlReferenceDumper.php b/src/Symfony/Component/Config/Definition/Dumper/YamlReferenceDumper.php
index 4f720aa97f9f4..c6b08a53616eb 100644
--- a/src/Symfony/Component/Config/Definition/Dumper/YamlReferenceDumper.php
+++ b/src/Symfony/Component/Config/Definition/Dumper/YamlReferenceDumper.php
@@ -170,7 +170,7 @@ private function writeNode(NodeInterface $node, ?NodeInterface $parentNode = nul
$this->writeLine('# '.$message.':', $depth * 4 + 4);
- $this->writeArray(array_map(Inline::dump(...), $example), $depth + 1);
+ $this->writeArray(array_map(Inline::dump(...), $example), $depth + 1, true);
}
if ($children) {
@@ -191,7 +191,7 @@ private function writeLine(string $text, int $indent = 0): void
$this->reference .= sprintf($format, $text)."\n";
}
- private function writeArray(array $array, int $depth): void
+ private function writeArray(array $array, int $depth, bool $asComment = false): void
{
$isIndexed = array_is_list($array);
@@ -201,11 +201,12 @@ private function writeArray(array $array, int $depth): void
} else {
$val = $value;
}
+ $prefix = $asComment ? '# ' : '';
if ($isIndexed) {
- $this->writeLine('- '.$val, $depth * 4);
+ $this->writeLine($prefix.'- '.$val, $depth * 4);
} else {
- $this->writeLine(sprintf('%-20s %s', $key.':', $val), $depth * 4);
+ $this->writeLine($prefix.sprintf('%-20s %s', $key.':', $val), $depth * 4);
}
if (\is_array($value)) {
diff --git a/src/Symfony/Component/Config/Tests/Definition/Dumper/YamlReferenceDumperTest.php b/src/Symfony/Component/Config/Tests/Definition/Dumper/YamlReferenceDumperTest.php
index 18ad445c3ef5d..6083cefc35263 100644
--- a/src/Symfony/Component/Config/Tests/Definition/Dumper/YamlReferenceDumperTest.php
+++ b/src/Symfony/Component/Config/Tests/Definition/Dumper/YamlReferenceDumperTest.php
@@ -117,8 +117,8 @@ enum: ~ # One of "this"; "that"; Symfony\Component\Config\Tests\
variable:
# Examples:
- - foo
- - bar
+ # - foo
+ # - bar
parameters:
# Prototype: Parameter name
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