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[Serializer] Add support for encoding arrays as child <item> elements in XmlEncoder #60228

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[Serializer] Add support for encoding arrays as child <item> elements in XmlEncoder #60228

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5 changes: 4 additions & 1 deletion src/Symfony/Component/Serializer/Encoder/XmlEncoder.php
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,7 @@ class XmlEncoder implements EncoderInterface, DecoderInterface, NormalizationAwa
public const TYPE_CAST_ATTRIBUTES = 'xml_type_cast_attributes';
public const VERSION = 'xml_version';
public const CDATA_WRAPPING = 'cdata_wrapping';
public const ARRAY_AS_ITEM = 'array_as_item';
public const CDATA_WRAPPING_PATTERN = 'cdata_wrapping_pattern';
public const IGNORE_EMPTY_ATTRIBUTES = 'ignore_empty_attributes';

Expand All @@ -71,6 +72,7 @@ class XmlEncoder implements EncoderInterface, DecoderInterface, NormalizationAwa
self::REMOVE_EMPTY_TAGS => false,
self::ROOT_NODE_NAME => 'response',
self::TYPE_CAST_ATTRIBUTES => true,
self::ARRAY_AS_ITEM => false,
self::CDATA_WRAPPING => true,
self::CDATA_WRAPPING_PATTERN => '/[<>&]/',
self::IGNORE_EMPTY_ATTRIBUTES => false,
Expand Down Expand Up @@ -345,6 +347,7 @@ private function buildXml(\DOMNode $parentNode, mixed $data, string $format, arr
{
$append = true;
$removeEmptyTags = $context[self::REMOVE_EMPTY_TAGS] ?? $this->defaultContext[self::REMOVE_EMPTY_TAGS] ?? false;
$arrayAsItem = $context[self::ARRAY_AS_ITEM] ?? $this->defaultContext[self::ARRAY_AS_ITEM] ?? false;
$encoderIgnoredNodeTypes = $context[self::ENCODER_IGNORED_NODE_TYPES] ?? $this->defaultContext[self::ENCODER_IGNORED_NODE_TYPES];

if (\is_array($data) || ($data instanceof \Traversable && (null === $this->serializer || !$this->serializer->supportsNormalization($data, $format)))) {
Expand Down Expand Up @@ -373,7 +376,7 @@ private function buildXml(\DOMNode $parentNode, mixed $data, string $format, arr
}
} elseif (\is_array($data) && false === is_numeric($key)) {
// Is this array fully numeric keys?
if (ctype_digit(implode('', array_keys($data)))) {
if (!$arrayAsItem && ctype_digit(implode('', array_keys($data)))) {
/*
* Create nodes to append to $parentNode based on the $key of this array
* Produces <xml><item>0</item><item>1</item></xml>
Expand Down
44 changes: 44 additions & 0 deletions src/Symfony/Component/Serializer/Tests/Encoder/XmlEncoderTest.php
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Expand Up @@ -1017,4 +1017,48 @@ public function testEncodeIgnoringEmptyAttribute()

$this->assertEquals($expected, $this->encoder->encode($data, 'xml', ['ignore_empty_attributes' => true]));
}

public function testEncodeArrayAsItem()
{
$expected = <<<'XML'
<?xml version="1.0"?>
<response><person><item key="0"><firstname>Benjamin</firstname><lastname>Alexandre</lastname></item><item key="1"><firstname>Damien</firstname><lastname>Clay</lastname></item></person></response>

XML;
$source = ['person' => [
['firstname' => 'Benjamin', 'lastname' => 'Alexandre'],
['firstname' => 'Damien', 'lastname' => 'Clay'],
]];

$this->assertEquals($expected, $this->encoder->encode($source, 'xml', [
XmlEncoder::ARRAY_AS_ITEM => true,
]));
}

public function testDecodeArrayAsItem()
{
$source = <<<'XML'
<?xml version="1.0"?>
<response>
<person>
<item key="0">
<firstname>Benjamin</firstname>
<lastname>Alexandre</lastname>
</item>
<item key="1">
<firstname>Damien</firstname>
<lastname>Clay</lastname>
</item>
</person>
</response>
XML;
$expected = ['person' => [
['firstname' => 'Benjamin', 'lastname' => 'Alexandre', '@key' => 0],
['firstname' => 'Damien', 'lastname' => 'Clay', '@key' => 1],
]];

$this->assertEquals($expected, $this->encoder->decode($source, 'xml', [
XmlEncoder::ARRAY_AS_ITEM => true,
]));
}
}
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