default services conflit ?

old.vendor/symfony/serializer/Encoder/ChainDecoder.php

@@ -0,0 +1,80 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Encoder;
+
+use Symfony\Component\Serializer\Exception\RuntimeException;
+
+/**
+ * Decoder delegating the decoding to a chain of decoders.
+ *
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ * @author Lukas Kahwe Smith <smith@pooteeweet.org>
+ *
+ * @final
+ */
+class ChainDecoder implements ContextAwareDecoderInterface
+{
+    protected $decoders = [];
+    protected $decoderByFormat = [];
+
+    public function __construct(array $decoders = [])
+    {
+        $this->decoders = $decoders;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    final public function decode($data, $format, array $context = [])
+    {
+        return $this->getDecoder($format, $context)->decode($data, $format, $context);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsDecoding($format, array $context = []): bool
+    {
+        try {
+            $this->getDecoder($format, $context);
+        } catch (RuntimeException $e) {
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Gets the decoder supporting the format.
+     *
+     * @throws RuntimeException if no decoder is found
+     */
+    private function getDecoder(string $format, array $context): DecoderInterface
+    {
+        if (isset($this->decoderByFormat[$format])
+            && isset($this->decoders[$this->decoderByFormat[$format]])
+        ) {
+            return $this->decoders[$this->decoderByFormat[$format]];
+        }
+
+        foreach ($this->decoders as $i => $decoder) {
+            if ($decoder->supportsDecoding($format, $context)) {
+                $this->decoderByFormat[$format] = $i;
+
+                return $decoder;
+            }
+        }
+
+        throw new RuntimeException(sprintf('No decoder found for format "%s".', $format));
+    }
+}

old.vendor/symfony/serializer/Encoder/ChainEncoder.php

@@ -0,0 +1,98 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Encoder;
+
+use Symfony\Component\Serializer\Exception\RuntimeException;
+
+/**
+ * Encoder delegating the decoding to a chain of encoders.
+ *
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ * @author Lukas Kahwe Smith <smith@pooteeweet.org>
+ *
+ * @final
+ */
+class ChainEncoder implements ContextAwareEncoderInterface
+{
+    protected $encoders = [];
+    protected $encoderByFormat = [];
+
+    public function __construct(array $encoders = [])
+    {
+        $this->encoders = $encoders;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    final public function encode($data, $format, array $context = [])
+    {
+        return $this->getEncoder($format, $context)->encode($data, $format, $context);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsEncoding($format, array $context = []): bool
+    {
+        try {
+            $this->getEncoder($format, $context);
+        } catch (RuntimeException $e) {
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Checks whether the normalization is needed for the given format.
+     */
+    public function needsNormalization(string $format, array $context = []): bool
+    {
+        $encoder = $this->getEncoder($format, $context);
+
+        if (!$encoder instanceof NormalizationAwareInterface) {
+            return true;
+        }
+
+        if ($encoder instanceof self) {
+            return $encoder->needsNormalization($format, $context);
+        }
+
+        return false;
+    }
+
+    /**
+     * Gets the encoder supporting the format.
+     *
+     * @throws RuntimeException if no encoder is found
+     */
+    private function getEncoder(string $format, array $context): EncoderInterface
+    {
+        if (isset($this->encoderByFormat[$format])
+            && isset($this->encoders[$this->encoderByFormat[$format]])
+        ) {
+            return $this->encoders[$this->encoderByFormat[$format]];
+        }
+
+        foreach ($this->encoders as $i => $encoder) {
+            if ($encoder->supportsEncoding($format, $context)) {
+                $this->encoderByFormat[$format] = $i;
+
+                return $encoder;
+            }
+        }
+
+        throw new RuntimeException(sprintf('No encoder found for format "%s".', $format));
+    }
+}

old.vendor/symfony/serializer/Encoder/ContextAwareDecoderInterface.php

@@ -0,0 +1,27 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Encoder;
+
+/**
+ * Adds the support of an extra $context parameter for the supportsDecoding method.
+ *
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+interface ContextAwareDecoderInterface extends DecoderInterface
+{
+    /**
+     * {@inheritdoc}
+     *
+     * @param array $context options that decoders have access to
+     */
+    public function supportsDecoding($format, array $context = []);
+}

old.vendor/symfony/serializer/Encoder/ContextAwareEncoderInterface.php

@@ -0,0 +1,27 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Encoder;
+
+/**
+ * Adds the support of an extra $context parameter for the supportsEncoding method.
+ *
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+interface ContextAwareEncoderInterface extends EncoderInterface
+{
+    /**
+     * {@inheritdoc}
+     *
+     * @param array $context options that encoders have access to
+     */
+    public function supportsEncoding($format, array $context = []);
+}

old.vendor/symfony/serializer/Encoder/CsvEncoder.php

@@ -0,0 +1,304 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Encoder;
+
+use Symfony\Component\Serializer\Exception\InvalidArgumentException;
+use Symfony\Component\Serializer\Exception\UnexpectedValueException;
+
+/**
+ * Encodes CSV data.
+ *
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ * @author Oliver Hoff <oliver@hofff.com>
+ */
+class CsvEncoder implements EncoderInterface, DecoderInterface
+{
+    public const FORMAT = 'csv';
+    public const DELIMITER_KEY = 'csv_delimiter';
+    public const ENCLOSURE_KEY = 'csv_enclosure';
+    public const ESCAPE_CHAR_KEY = 'csv_escape_char';
+    public const KEY_SEPARATOR_KEY = 'csv_key_separator';
+    public const HEADERS_KEY = 'csv_headers';
+    public const ESCAPE_FORMULAS_KEY = 'csv_escape_formulas';
+    public const AS_COLLECTION_KEY = 'as_collection';
+    public const NO_HEADERS_KEY = 'no_headers';
+    public const OUTPUT_UTF8_BOM_KEY = 'output_utf8_bom';
+
+    private const UTF8_BOM = "\xEF\xBB\xBF";
+
+    private const FORMULAS_START_CHARACTERS = ['=', '-', '+', '@', "\t", "\r"];
+
+    private $defaultContext = [
+        self::DELIMITER_KEY => ',',
+        self::ENCLOSURE_KEY => '"',
+        self::ESCAPE_CHAR_KEY => '',
+        self::ESCAPE_FORMULAS_KEY => false,
+        self::HEADERS_KEY => [],
+        self::KEY_SEPARATOR_KEY => '.',
+        self::NO_HEADERS_KEY => false,
+        self::AS_COLLECTION_KEY => false,
+        self::OUTPUT_UTF8_BOM_KEY => false,
+    ];
+
+    /**
+     * @param array $defaultContext
+     */
+    public function __construct($defaultContext = [], string $enclosure = '"', string $escapeChar = '', string $keySeparator = '.', bool $escapeFormulas = false)
+    {
+        if (!\is_array($defaultContext)) {
+            @trigger_error('Passing configuration options directly to the constructor is deprecated since Symfony 4.2, use the default context instead.', \E_USER_DEPRECATED);
+
+            $defaultContext = [
+                self::DELIMITER_KEY => (string) $defaultContext,
+                self::ENCLOSURE_KEY => $enclosure,
+                self::ESCAPE_CHAR_KEY => $escapeChar,
+                self::KEY_SEPARATOR_KEY => $keySeparator,
+                self::ESCAPE_FORMULAS_KEY => $escapeFormulas,
+            ];
+        }
+
+        $this->defaultContext = array_merge($this->defaultContext, $defaultContext);
+
+        if (\PHP_VERSION_ID < 70400 && '' === $this->defaultContext[self::ESCAPE_CHAR_KEY]) {
+            $this->defaultContext[self::ESCAPE_CHAR_KEY] = '\\';
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function encode($data, $format, array $context = [])
+    {
+        $handle = fopen('php://temp,', 'w+');
+
+        if (!is_iterable($data)) {
+            $data = [[$data]];
+        } elseif (empty($data)) {
+            $data = [[]];
+        } else {
+            // Sequential arrays of arrays are considered as collections
+            $i = 0;
+            foreach ($data as $key => $value) {
+                if ($i !== $key || !\is_array($value)) {
+                    $data = [$data];
+                    break;
+                }
+
+                ++$i;
+            }
+        }
+
+        [$delimiter, $enclosure, $escapeChar, $keySeparator, $headers, $escapeFormulas, $outputBom] = $this->getCsvOptions($context);
+
+        foreach ($data as &$value) {
+            $flattened = [];
+            $this->flatten($value, $flattened, $keySeparator, '', $escapeFormulas);
+            $value = $flattened;
+        }
+        unset($value);
+
+        $headers = array_merge(array_values($headers), array_diff($this->extractHeaders($data), $headers));
+
+        if (!($context[self::NO_HEADERS_KEY] ?? $this->defaultContext[self::NO_HEADERS_KEY])) {
+            fputcsv($handle, $headers, $delimiter, $enclosure, $escapeChar);
+        }
+
+        $headers = array_fill_keys($headers, '');
+        foreach ($data as $row) {
+            fputcsv($handle, array_replace($headers, $row), $delimiter, $enclosure, $escapeChar);
+        }
+
+        rewind($handle);
+        $value = stream_get_contents($handle);
+        fclose($handle);
+
+        if ($outputBom) {
+            if (!preg_match('//u', $value)) {
+                throw new UnexpectedValueException('You are trying to add a UTF-8 BOM to a non UTF-8 text.');
+            }
+
+            $value = self::UTF8_BOM.$value;
+        }
+
+        return $value;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsEncoding($format)
+    {
+        return self::FORMAT === $format;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function decode($data, $format, array $context = [])
+    {
+        $handle = fopen('php://temp', 'r+');
+        fwrite($handle, $data);
+        rewind($handle);
+
+        if (str_starts_with($data, self::UTF8_BOM)) {
+            fseek($handle, \strlen(self::UTF8_BOM));
+        }
+
+        $headers = null;
+        $nbHeaders = 0;
+        $headerCount = [];
+        $result = [];
+
+        [$delimiter, $enclosure, $escapeChar, $keySeparator] = $this->getCsvOptions($context);
+
+        while (false !== ($cols = fgetcsv($handle, 0, $delimiter, $enclosure, $escapeChar))) {
+            $nbCols = \count($cols);
+
+            if (null === $headers) {
+                $nbHeaders = $nbCols;
+
+                if ($context[self::NO_HEADERS_KEY] ?? $this->defaultContext[self::NO_HEADERS_KEY]) {
+                    for ($i = 0; $i < $nbCols; ++$i) {
+                        $headers[] = [$i];
+                    }
+                    $headerCount = array_fill(0, $nbCols, 1);
+                } else {
+                    foreach ($cols as $col) {
+                        $header = explode($keySeparator, $col);
+                        $headers[] = $header;
+                        $headerCount[] = \count($header);
+                    }
+
+                    continue;
+                }
+            }
+
+            $item = [];
+            for ($i = 0; ($i < $nbCols) && ($i < $nbHeaders); ++$i) {
+                $depth = $headerCount[$i];
+                $arr = &$item;
+                for ($j = 0; $j < $depth; ++$j) {
+                    // Handle nested arrays
+                    if ($j === ($depth - 1)) {
+                        $arr[$headers[$i][$j]] = $cols[$i];
+
+                        continue;
+                    }
+
+                    if (!isset($arr[$headers[$i][$j]])) {
+                        $arr[$headers[$i][$j]] = [];
+                    }
+
+                    $arr = &$arr[$headers[$i][$j]];
+                }
+            }
+
+            $result[] = $item;
+        }
+        fclose($handle);
+
+        if ($context[self::AS_COLLECTION_KEY] ?? $this->defaultContext[self::AS_COLLECTION_KEY]) {
+            return $result;
+        }
+
+        if (empty($result) || isset($result[1])) {
+            return $result;
+        }
+
+        if (!isset($context['as_collection'])) {
+            @trigger_error('Relying on the default value (false) of the "as_collection" option is deprecated since 4.2. You should set it to false explicitly instead as true will be the default value in 5.0.', \E_USER_DEPRECATED);
+        }
+
+        // If there is only one data line in the document, return it (the line), the result is not considered as a collection
+        return $result[0];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsDecoding($format)
+    {
+        return self::FORMAT === $format;
+    }
+
+    /**
+     * Flattens an array and generates keys including the path.
+     */
+    private function flatten(iterable $array, array &$result, string $keySeparator, string $parentKey = '', bool $escapeFormulas = false)
+    {
+        foreach ($array as $key => $value) {
+            if (is_iterable($value)) {
+                $this->flatten($value, $result, $keySeparator, $parentKey.$key.$keySeparator, $escapeFormulas);
+            } else {
+                if ($escapeFormulas && \in_array(substr((string) $value, 0, 1), self::FORMULAS_START_CHARACTERS, true)) {
+                    $result[$parentKey.$key] = "'".$value;
+                } else {
+                    // Ensures an actual value is used when dealing with true and false
+                    $result[$parentKey.$key] = false === $value ? 0 : (true === $value ? 1 : $value);
+                }
+            }
+        }
+    }
+
+    private function getCsvOptions(array $context): array
+    {
+        $delimiter = $context[self::DELIMITER_KEY] ?? $this->defaultContext[self::DELIMITER_KEY];
+        $enclosure = $context[self::ENCLOSURE_KEY] ?? $this->defaultContext[self::ENCLOSURE_KEY];
+        $escapeChar = $context[self::ESCAPE_CHAR_KEY] ?? $this->defaultContext[self::ESCAPE_CHAR_KEY];
+        $keySeparator = $context[self::KEY_SEPARATOR_KEY] ?? $this->defaultContext[self::KEY_SEPARATOR_KEY];
+        $headers = $context[self::HEADERS_KEY] ?? $this->defaultContext[self::HEADERS_KEY];
+        $escapeFormulas = $context[self::ESCAPE_FORMULAS_KEY] ?? $this->defaultContext[self::ESCAPE_FORMULAS_KEY];
+        $outputBom = $context[self::OUTPUT_UTF8_BOM_KEY] ?? $this->defaultContext[self::OUTPUT_UTF8_BOM_KEY];
+
+        if (!\is_array($headers)) {
+            throw new InvalidArgumentException(sprintf('The "%s" context variable must be an array or null, given "%s".', self::HEADERS_KEY, \gettype($headers)));
+        }
+
+        return [$delimiter, $enclosure, $escapeChar, $keySeparator, $headers, $escapeFormulas, $outputBom];
+    }
+
+    /**
+     * @return string[]
+     */
+    private function extractHeaders(iterable $data): array
+    {
+        $headers = [];
+        $flippedHeaders = [];
+
+        foreach ($data as $row) {
+            $previousHeader = null;
+
+            foreach ($row as $header => $_) {
+                if (isset($flippedHeaders[$header])) {
+                    $previousHeader = $header;
+                    continue;
+                }
+
+                if (null === $previousHeader) {
+                    $n = \count($headers);
+                } else {
+                    $n = $flippedHeaders[$previousHeader] + 1;
+
+                    for ($j = \count($headers); $j > $n; --$j) {
+                        ++$flippedHeaders[$headers[$j] = $headers[$j - 1]];
+                    }
+                }
+
+                $headers[$n] = $header;
+                $flippedHeaders[$header] = $n;
+                $previousHeader = $header;
+            }
+        }
+
+        return $headers;
+    }
+}

old.vendor/symfony/serializer/Encoder/DecoderInterface.php

@@ -0,0 +1,47 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Encoder;
+
+use Symfony\Component\Serializer\Exception\UnexpectedValueException;
+
+/**
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ */
+interface DecoderInterface
+{
+    /**
+     * Decodes a string into PHP data.
+     *
+     * @param string $data    Data to decode
+     * @param string $format  Format name
+     * @param array  $context Options that decoders have access to
+     *
+     * The format parameter specifies which format the data is in; valid values
+     * depend on the specific implementation. Authors implementing this interface
+     * are encouraged to document which formats they support in a non-inherited
+     * phpdoc comment.
+     *
+     * @return mixed
+     *
+     * @throws UnexpectedValueException
+     */
+    public function decode($data, $format, array $context = []);
+
+    /**
+     * Checks whether the deserializer can decode from given format.
+     *
+     * @param string $format Format name
+     *
+     * @return bool
+     */
+    public function supportsDecoding($format);
+}

old.vendor/symfony/serializer/Encoder/EncoderInterface.php

@@ -0,0 +1,42 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Encoder;
+
+use Symfony\Component\Serializer\Exception\UnexpectedValueException;
+
+/**
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ */
+interface EncoderInterface
+{
+    /**
+     * Encodes data into the given format.
+     *
+     * @param mixed  $data    Data to encode
+     * @param string $format  Format name
+     * @param array  $context Options that normalizers/encoders have access to
+     *
+     * @return string
+     *
+     * @throws UnexpectedValueException
+     */
+    public function encode($data, $format, array $context = []);
+
+    /**
+     * Checks whether the serializer can encode to given format.
+     *
+     * @param string $format Format name
+     *
+     * @return bool
+     */
+    public function supportsEncoding($format);
+}

old.vendor/symfony/serializer/Encoder/JsonDecode.php

@@ -0,0 +1,119 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Encoder;
+
+use Symfony\Component\Serializer\Exception\NotEncodableValueException;
+
+/**
+ * Decodes JSON data.
+ *
+ * @author Sander Coolen <sander@jibber.nl>
+ */
+class JsonDecode implements DecoderInterface
+{
+    protected $serializer;
+
+    /**
+     * True to return the result as an associative array, false for a nested stdClass hierarchy.
+     */
+    public const ASSOCIATIVE = 'json_decode_associative';
+
+    public const OPTIONS = 'json_decode_options';
+
+    /**
+     * Specifies the recursion depth.
+     */
+    public const RECURSION_DEPTH = 'json_decode_recursion_depth';
+
+    private $defaultContext = [
+        self::ASSOCIATIVE => false,
+        self::OPTIONS => 0,
+        self::RECURSION_DEPTH => 512,
+    ];
+
+    /**
+     * Constructs a new JsonDecode instance.
+     *
+     * @param array $defaultContext
+     */
+    public function __construct($defaultContext = [], int $depth = 512)
+    {
+        if (!\is_array($defaultContext)) {
+            @trigger_error(sprintf('Using constructor parameters that are not a default context is deprecated since Symfony 4.2, use the "%s" and "%s" keys of the context instead.', self::ASSOCIATIVE, self::RECURSION_DEPTH), \E_USER_DEPRECATED);
+
+            $defaultContext = [
+                self::ASSOCIATIVE => (bool) $defaultContext,
+                self::RECURSION_DEPTH => $depth,
+            ];
+        }
+
+        $this->defaultContext = array_merge($this->defaultContext, $defaultContext);
+    }
+
+    /**
+     * Decodes data.
+     *
+     * @param string $data    The encoded JSON string to decode
+     * @param string $format  Must be set to JsonEncoder::FORMAT
+     * @param array  $context An optional set of options for the JSON decoder; see below
+     *
+     * The $context array is a simple key=>value array, with the following supported keys:
+     *
+     * json_decode_associative: boolean
+     *      If true, returns the object as an associative array.
+     *      If false, returns the object as nested stdClass
+     *      If not specified, this method will use the default set in JsonDecode::__construct
+     *
+     * json_decode_recursion_depth: integer
+     *      Specifies the maximum recursion depth
+     *      If not specified, this method will use the default set in JsonDecode::__construct
+     *
+     * json_decode_options: integer
+     *      Specifies additional options as per documentation for json_decode
+     *
+     * @return mixed
+     *
+     * @throws NotEncodableValueException
+     *
+     * @see https://php.net/json_decode
+     */
+    public function decode($data, $format, array $context = [])
+    {
+        $associative = $context[self::ASSOCIATIVE] ?? $this->defaultContext[self::ASSOCIATIVE];
+        $recursionDepth = $context[self::RECURSION_DEPTH] ?? $this->defaultContext[self::RECURSION_DEPTH];
+        $options = $context[self::OPTIONS] ?? $this->defaultContext[self::OPTIONS];
+
+        try {
+            $decodedData = json_decode($data, $associative, $recursionDepth, $options);
+        } catch (\JsonException $e) {
+            throw new NotEncodableValueException($e->getMessage(), 0, $e);
+        }
+
+        if (\PHP_VERSION_ID >= 70300 && (\JSON_THROW_ON_ERROR & $options)) {
+            return $decodedData;
+        }
+
+        if (\JSON_ERROR_NONE !== json_last_error()) {
+            throw new NotEncodableValueException(json_last_error_msg());
+        }
+
+        return $decodedData;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsDecoding($format)
+    {
+        return JsonEncoder::FORMAT === $format;
+    }
+}

old.vendor/symfony/serializer/Encoder/JsonEncode.php

@@ -0,0 +1,76 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Encoder;
+
+use Symfony\Component\Serializer\Exception\NotEncodableValueException;
+
+/**
+ * Encodes JSON data.
+ *
+ * @author Sander Coolen <sander@jibber.nl>
+ */
+class JsonEncode implements EncoderInterface
+{
+    public const OPTIONS = 'json_encode_options';
+
+    private $defaultContext = [
+        self::OPTIONS => 0,
+    ];
+
+    /**
+     * @param array $defaultContext
+     */
+    public function __construct($defaultContext = [])
+    {
+        if (!\is_array($defaultContext)) {
+            @trigger_error(sprintf('Passing an integer as first parameter of the "%s()" method is deprecated since Symfony 4.2, use the "json_encode_options" key of the context instead.', __METHOD__), \E_USER_DEPRECATED);
+
+            $this->defaultContext[self::OPTIONS] = (int) $defaultContext;
+        } else {
+            $this->defaultContext = array_merge($this->defaultContext, $defaultContext);
+        }
+    }
+
+    /**
+     * Encodes PHP data to a JSON string.
+     *
+     * {@inheritdoc}
+     */
+    public function encode($data, $format, array $context = [])
+    {
+        $options = $context[self::OPTIONS] ?? $this->defaultContext[self::OPTIONS];
+
+        try {
+            $encodedJson = json_encode($data, $options);
+        } catch (\JsonException $e) {
+            throw new NotEncodableValueException($e->getMessage(), 0, $e);
+        }
+
+        if (\PHP_VERSION_ID >= 70300 && (\JSON_THROW_ON_ERROR & $options)) {
+            return $encodedJson;
+        }
+
+        if (\JSON_ERROR_NONE !== json_last_error() && (false === $encodedJson || !($options & \JSON_PARTIAL_OUTPUT_ON_ERROR))) {
+            throw new NotEncodableValueException(json_last_error_msg());
+        }
+
+        return $encodedJson;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsEncoding($format)
+    {
+        return JsonEncoder::FORMAT === $format;
+    }
+}

old.vendor/symfony/serializer/Encoder/JsonEncoder.php

@@ -0,0 +1,63 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Encoder;
+
+/**
+ * Encodes JSON data.
+ *
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ */
+class JsonEncoder implements EncoderInterface, DecoderInterface
+{
+    public const FORMAT = 'json';
+
+    protected $encodingImpl;
+    protected $decodingImpl;
+
+    public function __construct(JsonEncode $encodingImpl = null, JsonDecode $decodingImpl = null)
+    {
+        $this->encodingImpl = $encodingImpl ?? new JsonEncode();
+        $this->decodingImpl = $decodingImpl ?? new JsonDecode([JsonDecode::ASSOCIATIVE => true]);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function encode($data, $format, array $context = [])
+    {
+        return $this->encodingImpl->encode($data, self::FORMAT, $context);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function decode($data, $format, array $context = [])
+    {
+        return $this->decodingImpl->decode($data, self::FORMAT, $context);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsEncoding($format)
+    {
+        return self::FORMAT === $format;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsDecoding($format)
+    {
+        return self::FORMAT === $format;
+    }
+}

old.vendor/symfony/serializer/Encoder/NormalizationAwareInterface.php

@@ -0,0 +1,24 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Encoder;
+
+/**
+ * Defines the interface of encoders that will normalize data themselves.
+ *
+ * Implementing this interface essentially just tells the Serializer that the
+ * data should not be pre-normalized before being passed to this Encoder.
+ *
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ */
+interface NormalizationAwareInterface
+{
+}

old.vendor/symfony/serializer/Encoder/XmlEncoder.php

@@ -0,0 +1,573 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Encoder;
+
+use Symfony\Component\Serializer\Exception\BadMethodCallException;
+use Symfony\Component\Serializer\Exception\NotEncodableValueException;
+use Symfony\Component\Serializer\SerializerAwareInterface;
+use Symfony\Component\Serializer\SerializerAwareTrait;
+
+/**
+ * Encodes XML data.
+ *
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ * @author John Wards <jwards@whiteoctober.co.uk>
+ * @author Fabian Vogler <fabian@equivalence.ch>
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ * @author Dany Maillard <danymaillard93b@gmail.com>
+ */
+class XmlEncoder implements EncoderInterface, DecoderInterface, NormalizationAwareInterface, SerializerAwareInterface
+{
+    use SerializerAwareTrait;
+
+    public const FORMAT = 'xml';
+
+    public const AS_COLLECTION = 'as_collection';
+
+    /**
+     * An array of ignored XML node types while decoding, each one of the DOM Predefined XML_* constants.
+     */
+    public const DECODER_IGNORED_NODE_TYPES = 'decoder_ignored_node_types';
+
+    /**
+     * An array of ignored XML node types while encoding, each one of the DOM Predefined XML_* constants.
+     */
+    public const ENCODER_IGNORED_NODE_TYPES = 'encoder_ignored_node_types';
+    public const ENCODING = 'xml_encoding';
+    public const FORMAT_OUTPUT = 'xml_format_output';
+
+    /**
+     * A bit field of LIBXML_* constants.
+     */
+    public const LOAD_OPTIONS = 'load_options';
+    public const REMOVE_EMPTY_TAGS = 'remove_empty_tags';
+    public const ROOT_NODE_NAME = 'xml_root_node_name';
+    public const STANDALONE = 'xml_standalone';
+
+    /** @deprecated The constant TYPE_CASE_ATTRIBUTES is deprecated since version 4.4 and will be removed in version 5. Use TYPE_CAST_ATTRIBUTES instead. */
+    public const TYPE_CASE_ATTRIBUTES = 'xml_type_cast_attributes';
+    public const TYPE_CAST_ATTRIBUTES = 'xml_type_cast_attributes';
+    public const VERSION = 'xml_version';
+
+    private $defaultContext = [
+        self::AS_COLLECTION => false,
+        self::DECODER_IGNORED_NODE_TYPES => [\XML_PI_NODE, \XML_COMMENT_NODE],
+        self::ENCODER_IGNORED_NODE_TYPES => [],
+        self::LOAD_OPTIONS => \LIBXML_NONET | \LIBXML_NOBLANKS,
+        self::REMOVE_EMPTY_TAGS => false,
+        self::ROOT_NODE_NAME => 'response',
+        self::TYPE_CAST_ATTRIBUTES => true,
+    ];
+
+    /**
+     * @var \DOMDocument
+     */
+    private $dom;
+    private $format;
+    private $context;
+
+    /**
+     * @param array $defaultContext
+     */
+    public function __construct($defaultContext = [], int $loadOptions = null, array $decoderIgnoredNodeTypes = [\XML_PI_NODE, \XML_COMMENT_NODE], array $encoderIgnoredNodeTypes = [])
+    {
+        if (!\is_array($defaultContext)) {
+            @trigger_error('Passing configuration options directly to the constructor is deprecated since Symfony 4.2, use the default context instead.', \E_USER_DEPRECATED);
+
+            $defaultContext = [
+                self::DECODER_IGNORED_NODE_TYPES => $decoderIgnoredNodeTypes,
+                self::ENCODER_IGNORED_NODE_TYPES => $encoderIgnoredNodeTypes,
+                self::LOAD_OPTIONS => $loadOptions ?? \LIBXML_NONET | \LIBXML_NOBLANKS,
+                self::ROOT_NODE_NAME => (string) $defaultContext,
+            ];
+        }
+
+        $this->defaultContext = array_merge($this->defaultContext, $defaultContext);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function encode($data, $format, array $context = [])
+    {
+        $encoderIgnoredNodeTypes = $context[self::ENCODER_IGNORED_NODE_TYPES] ?? $this->defaultContext[self::ENCODER_IGNORED_NODE_TYPES];
+        $ignorePiNode = \in_array(\XML_PI_NODE, $encoderIgnoredNodeTypes, true);
+        if ($data instanceof \DOMDocument) {
+            return $data->saveXML($ignorePiNode ? $data->documentElement : null);
+        }
+
+        $xmlRootNodeName = $context[self::ROOT_NODE_NAME] ?? $this->defaultContext[self::ROOT_NODE_NAME];
+
+        $this->dom = $this->createDomDocument($context);
+        $this->format = $format;
+        $this->context = $context;
+
+        if (null !== $data && !is_scalar($data)) {
+            $root = $this->dom->createElement($xmlRootNodeName);
+            $this->dom->appendChild($root);
+            $this->buildXml($root, $data, $xmlRootNodeName);
+        } else {
+            $this->appendNode($this->dom, $data, $xmlRootNodeName);
+        }
+
+        return $this->dom->saveXML($ignorePiNode ? $this->dom->documentElement : null);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function decode($data, $format, array $context = [])
+    {
+        if ('' === trim($data)) {
+            throw new NotEncodableValueException('Invalid XML data, it can not be empty.');
+        }
+
+        $internalErrors = libxml_use_internal_errors(true);
+        if (\LIBXML_VERSION < 20900) {
+            $disableEntities = libxml_disable_entity_loader(true);
+        }
+        libxml_clear_errors();
+
+        $dom = new \DOMDocument();
+        $dom->loadXML($data, $context[self::LOAD_OPTIONS] ?? $this->defaultContext[self::LOAD_OPTIONS]);
+
+        libxml_use_internal_errors($internalErrors);
+        if (\LIBXML_VERSION < 20900) {
+            libxml_disable_entity_loader($disableEntities);
+        }
+
+        if ($error = libxml_get_last_error()) {
+            libxml_clear_errors();
+
+            throw new NotEncodableValueException($error->message);
+        }
+
+        $rootNode = null;
+        $decoderIgnoredNodeTypes = $context[self::DECODER_IGNORED_NODE_TYPES] ?? $this->defaultContext[self::DECODER_IGNORED_NODE_TYPES];
+        foreach ($dom->childNodes as $child) {
+            if (\XML_DOCUMENT_TYPE_NODE === $child->nodeType) {
+                throw new NotEncodableValueException('Document types are not allowed.');
+            }
+            if (!$rootNode && !\in_array($child->nodeType, $decoderIgnoredNodeTypes, true)) {
+                $rootNode = $child;
+            }
+        }
+
+        // todo: throw an exception if the root node name is not correctly configured (bc)
+
+        if ($rootNode->hasChildNodes()) {
+            $xpath = new \DOMXPath($dom);
+            $data = [];
+            foreach ($xpath->query('namespace::*', $dom->documentElement) as $nsNode) {
+                $data['@'.$nsNode->nodeName] = $nsNode->nodeValue;
+            }
+
+            unset($data['@xmlns:xml']);
+
+            if (empty($data)) {
+                return $this->parseXml($rootNode, $context);
+            }
+
+            return array_merge($data, (array) $this->parseXml($rootNode, $context));
+        }
+
+        if (!$rootNode->hasAttributes()) {
+            return $rootNode->nodeValue;
+        }
+
+        $data = [];
+
+        foreach ($rootNode->attributes as $attrKey => $attr) {
+            $data['@'.$attrKey] = $attr->nodeValue;
+        }
+
+        $data['#'] = $rootNode->nodeValue;
+
+        return $data;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsEncoding($format)
+    {
+        return self::FORMAT === $format;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsDecoding($format)
+    {
+        return self::FORMAT === $format;
+    }
+
+    /**
+     * Sets the root node name.
+     *
+     * @deprecated since Symfony 4.2
+     *
+     * @param string $name Root node name
+     */
+    public function setRootNodeName($name)
+    {
+        @trigger_error(sprintf('The "%s()" method is deprecated since Symfony 4.2, use the context instead.', __METHOD__), \E_USER_DEPRECATED);
+
+        $this->defaultContext[self::ROOT_NODE_NAME] = $name;
+    }
+
+    /**
+     * Returns the root node name.
+     *
+     * @deprecated since Symfony 4.2
+     *
+     * @return string
+     */
+    public function getRootNodeName()
+    {
+        @trigger_error(sprintf('The "%s()" method is deprecated since Symfony 4.2, use the context instead.', __METHOD__), \E_USER_DEPRECATED);
+
+        return $this->defaultContext[self::ROOT_NODE_NAME];
+    }
+
+    final protected function appendXMLString(\DOMNode $node, string $val): bool
+    {
+        if ('' !== $val) {
+            $frag = $this->dom->createDocumentFragment();
+            $frag->appendXML($val);
+            $node->appendChild($frag);
+
+            return true;
+        }
+
+        return false;
+    }
+
+    final protected function appendText(\DOMNode $node, string $val): bool
+    {
+        $nodeText = $this->dom->createTextNode($val);
+        $node->appendChild($nodeText);
+
+        return true;
+    }
+
+    final protected function appendCData(\DOMNode $node, string $val): bool
+    {
+        $nodeText = $this->dom->createCDATASection($val);
+        $node->appendChild($nodeText);
+
+        return true;
+    }
+
+    /**
+     * @param \DOMDocumentFragment $fragment
+     */
+    final protected function appendDocumentFragment(\DOMNode $node, $fragment): bool
+    {
+        if ($fragment instanceof \DOMDocumentFragment) {
+            $node->appendChild($fragment);
+
+            return true;
+        }
+
+        return false;
+    }
+
+    final protected function appendComment(\DOMNode $node, string $data): bool
+    {
+        $node->appendChild($this->dom->createComment($data));
+
+        return true;
+    }
+
+    /**
+     * Checks the name is a valid xml element name.
+     */
+    final protected function isElementNameValid(string $name): bool
+    {
+        return $name &&
+            !str_contains($name, ' ') &&
+            preg_match('#^[\pL_][\pL0-9._:-]*$#ui', $name);
+    }
+
+    /**
+     * Parse the input DOMNode into an array or a string.
+     *
+     * @return array|string
+     */
+    private function parseXml(\DOMNode $node, array $context = [])
+    {
+        $data = $this->parseXmlAttributes($node, $context);
+
+        $value = $this->parseXmlValue($node, $context);
+
+        if (!\count($data)) {
+            return $value;
+        }
+
+        if (!\is_array($value)) {
+            $data['#'] = $value;
+
+            return $data;
+        }
+
+        if (1 === \count($value) && key($value)) {
+            $data[key($value)] = current($value);
+
+            return $data;
+        }
+
+        foreach ($value as $key => $val) {
+            $data[$key] = $val;
+        }
+
+        return $data;
+    }
+
+    /**
+     * Parse the input DOMNode attributes into an array.
+     */
+    private function parseXmlAttributes(\DOMNode $node, array $context = []): array
+    {
+        if (!$node->hasAttributes()) {
+            return [];
+        }
+
+        $data = [];
+        $typeCastAttributes = (bool) ($context[self::TYPE_CAST_ATTRIBUTES] ?? $this->defaultContext[self::TYPE_CAST_ATTRIBUTES]);
+
+        foreach ($node->attributes as $attr) {
+            if (!is_numeric($attr->nodeValue) || !$typeCastAttributes || (isset($attr->nodeValue[1]) && '0' === $attr->nodeValue[0] && '.' !== $attr->nodeValue[1])) {
+                $data['@'.$attr->nodeName] = $attr->nodeValue;
+
+                continue;
+            }
+
+            if (false !== $val = filter_var($attr->nodeValue, \FILTER_VALIDATE_INT)) {
+                $data['@'.$attr->nodeName] = $val;
+
+                continue;
+            }
+
+            $data['@'.$attr->nodeName] = (float) $attr->nodeValue;
+        }
+
+        return $data;
+    }
+
+    /**
+     * Parse the input DOMNode value (content and children) into an array or a string.
+     *
+     * @return array|string
+     */
+    private function parseXmlValue(\DOMNode $node, array $context = [])
+    {
+        if (!$node->hasChildNodes()) {
+            return $node->nodeValue;
+        }
+
+        if (1 === $node->childNodes->length && \in_array($node->firstChild->nodeType, [\XML_TEXT_NODE, \XML_CDATA_SECTION_NODE])) {
+            return $node->firstChild->nodeValue;
+        }
+
+        $value = [];
+        $decoderIgnoredNodeTypes = $context[self::DECODER_IGNORED_NODE_TYPES] ?? $this->defaultContext[self::DECODER_IGNORED_NODE_TYPES];
+        foreach ($node->childNodes as $subnode) {
+            if (\in_array($subnode->nodeType, $decoderIgnoredNodeTypes, true)) {
+                continue;
+            }
+
+            $val = $this->parseXml($subnode, $context);
+
+            if ('item' === $subnode->nodeName && isset($val['@key'])) {
+                $value[$val['@key']] = $val['#'] ?? $val;
+            } else {
+                $value[$subnode->nodeName][] = $val;
+            }
+        }
+
+        $asCollection = $context[self::AS_COLLECTION] ?? $this->defaultContext[self::AS_COLLECTION];
+        foreach ($value as $key => $val) {
+            if (!$asCollection && \is_array($val) && 1 === \count($val)) {
+                $value[$key] = current($val);
+            }
+        }
+
+        return $value;
+    }
+
+    /**
+     * Parse the data and convert it to DOMElements.
+     *
+     * @param array|object $data
+     *
+     * @throws NotEncodableValueException
+     */
+    private function buildXml(\DOMNode $parentNode, $data, string $xmlRootNodeName = null): bool
+    {
+        $append = true;
+        $removeEmptyTags = $this->context[self::REMOVE_EMPTY_TAGS] ?? $this->defaultContext[self::REMOVE_EMPTY_TAGS] ?? false;
+        $encoderIgnoredNodeTypes = $this->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, $this->format)))) {
+            foreach ($data as $key => $data) {
+                //Ah this is the magic @ attribute types.
+                if (str_starts_with($key, '@') && $this->isElementNameValid($attributeName = substr($key, 1))) {
+                    if (!is_scalar($data)) {
+                        $data = $this->serializer->normalize($data, $this->format, $this->context);
+                    }
+                    $parentNode->setAttribute($attributeName, $data);
+                } elseif ('#' === $key) {
+                    $append = $this->selectNodeType($parentNode, $data);
+                } elseif ('#comment' === $key) {
+                    if (!\in_array(\XML_COMMENT_NODE, $encoderIgnoredNodeTypes, true)) {
+                        $append = $this->appendComment($parentNode, $data);
+                    }
+                } elseif (\is_array($data) && false === is_numeric($key)) {
+                    // Is this array fully numeric keys?
+                    if (ctype_digit(implode('', array_keys($data)))) {
+                        /*
+                         * Create nodes to append to $parentNode based on the $key of this array
+                         * Produces <xml><item>0</item><item>1</item></xml>
+                         * From ["item" => [0,1]];.
+                         */
+                        foreach ($data as $subData) {
+                            $append = $this->appendNode($parentNode, $subData, $key);
+                        }
+                    } else {
+                        $append = $this->appendNode($parentNode, $data, $key);
+                    }
+                } elseif (is_numeric($key) || !$this->isElementNameValid($key)) {
+                    $append = $this->appendNode($parentNode, $data, 'item', $key);
+                } elseif (null !== $data || !$removeEmptyTags) {
+                    $append = $this->appendNode($parentNode, $data, $key);
+                }
+            }
+
+            return $append;
+        }
+
+        if (\is_object($data)) {
+            if (null === $this->serializer) {
+                throw new BadMethodCallException(sprintf('The serializer needs to be set to allow "%s()" to be used with object data.', __METHOD__));
+            }
+
+            $data = $this->serializer->normalize($data, $this->format, $this->context);
+            if (null !== $data && !is_scalar($data)) {
+                return $this->buildXml($parentNode, $data, $xmlRootNodeName);
+            }
+
+            // top level data object was normalized into a scalar
+            if (!$parentNode->parentNode->parentNode) {
+                $root = $parentNode->parentNode;
+                $root->removeChild($parentNode);
+
+                return $this->appendNode($root, $data, $xmlRootNodeName);
+            }
+
+            return $this->appendNode($parentNode, $data, 'data');
+        }
+
+        throw new NotEncodableValueException('An unexpected value could not be serialized: '.(!\is_resource($data) ? var_export($data, true) : sprintf('%s resource', get_resource_type($data))));
+    }
+
+    /**
+     * Selects the type of node to create and appends it to the parent.
+     *
+     * @param array|object $data
+     */
+    private function appendNode(\DOMNode $parentNode, $data, string $nodeName, string $key = null): bool
+    {
+        $node = $this->dom->createElement($nodeName);
+        if (null !== $key) {
+            $node->setAttribute('key', $key);
+        }
+        $appendNode = $this->selectNodeType($node, $data);
+        // we may have decided not to append this node, either in error or if its $nodeName is not valid
+        if ($appendNode) {
+            $parentNode->appendChild($node);
+        }
+
+        return $appendNode;
+    }
+
+    /**
+     * Checks if a value contains any characters which would require CDATA wrapping.
+     */
+    private function needsCdataWrapping(string $val): bool
+    {
+        return 0 < preg_match('/[<>&]/', $val);
+    }
+
+    /**
+     * Tests the value being passed and decide what sort of element to create.
+     *
+     * @throws NotEncodableValueException
+     */
+    private function selectNodeType(\DOMNode $node, $val): bool
+    {
+        if (\is_array($val)) {
+            return $this->buildXml($node, $val);
+        } elseif ($val instanceof \SimpleXMLElement) {
+            $child = $this->dom->importNode(dom_import_simplexml($val), true);
+            $node->appendChild($child);
+        } elseif ($val instanceof \Traversable) {
+            $this->buildXml($node, $val);
+        } elseif ($val instanceof \DOMNode) {
+            $child = $this->dom->importNode($val, true);
+            $node->appendChild($child);
+        } elseif (\is_object($val)) {
+            if (null === $this->serializer) {
+                throw new BadMethodCallException(sprintf('The serializer needs to be set to allow "%s()" to be used with object data.', __METHOD__));
+            }
+
+            return $this->selectNodeType($node, $this->serializer->normalize($val, $this->format, $this->context));
+        } elseif (is_numeric($val)) {
+            return $this->appendText($node, (string) $val);
+        } elseif (\is_string($val) && $this->needsCdataWrapping($val)) {
+            return $this->appendCData($node, $val);
+        } elseif (\is_string($val)) {
+            return $this->appendText($node, $val);
+        } elseif (\is_bool($val)) {
+            return $this->appendText($node, (int) $val);
+        }
+
+        return true;
+    }
+
+    /**
+     * Create a DOM document, taking serializer options into account.
+     */
+    private function createDomDocument(array $context): \DOMDocument
+    {
+        $document = new \DOMDocument();
+
+        // Set an attribute on the DOM document specifying, as part of the XML declaration,
+        $xmlOptions = [
+            // nicely formats output with indentation and extra space
+            self::FORMAT_OUTPUT => 'formatOutput',
+            // the version number of the document
+            self::VERSION => 'xmlVersion',
+            // the encoding of the document
+            self::ENCODING => 'encoding',
+            // whether the document is standalone
+            self::STANDALONE => 'xmlStandalone',
+        ];
+        foreach ($xmlOptions as $xmlOption => $documentProperty) {
+            if ($contextOption = $context[$xmlOption] ?? $this->defaultContext[$xmlOption] ?? false) {
+                $document->$documentProperty = $contextOption;
+            }
+        }
+
+        return $document;
+    }
+}

old.vendor/symfony/serializer/Encoder/YamlEncoder.php

@@ -0,0 +1,85 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Encoder;
+
+use Symfony\Component\Serializer\Exception\RuntimeException;
+use Symfony\Component\Yaml\Dumper;
+use Symfony\Component\Yaml\Parser;
+use Symfony\Component\Yaml\Yaml;
+
+/**
+ * Encodes YAML data.
+ *
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+class YamlEncoder implements EncoderInterface, DecoderInterface
+{
+    public const FORMAT = 'yaml';
+    private const ALTERNATIVE_FORMAT = 'yml';
+
+    public const PRESERVE_EMPTY_OBJECTS = 'preserve_empty_objects';
+
+    private $dumper;
+    private $parser;
+    private $defaultContext = ['yaml_inline' => 0, 'yaml_indent' => 0, 'yaml_flags' => 0];
+
+    public function __construct(Dumper $dumper = null, Parser $parser = null, array $defaultContext = [])
+    {
+        if (!class_exists(Dumper::class)) {
+            throw new RuntimeException('The YamlEncoder class requires the "Yaml" component. Install "symfony/yaml" to use it.');
+        }
+
+        $this->dumper = $dumper ?? new Dumper();
+        $this->parser = $parser ?? new Parser();
+        $this->defaultContext = array_merge($this->defaultContext, $defaultContext);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function encode($data, $format, array $context = [])
+    {
+        $context = array_merge($this->defaultContext, $context);
+
+        if (isset($context[self::PRESERVE_EMPTY_OBJECTS])) {
+            $context['yaml_flags'] |= Yaml::DUMP_OBJECT_AS_MAP;
+        }
+
+        return $this->dumper->dump($data, $context['yaml_inline'], $context['yaml_indent'], $context['yaml_flags']);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsEncoding($format)
+    {
+        return self::FORMAT === $format || self::ALTERNATIVE_FORMAT === $format;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function decode($data, $format, array $context = [])
+    {
+        $context = array_merge($this->defaultContext, $context);
+
+        return $this->parser->parse($data, $context['yaml_flags']);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsDecoding($format)
+    {
+        return self::FORMAT === $format || self::ALTERNATIVE_FORMAT === $format;
+    }
+}