67     public function prepare($data)  argument
69         $data = $this->emptyStringToSpaceCharacter($data);
76         if (false !== stripos($data, '<!doctype')) {
77             $internalSubset = $this->getDomDocumentTypeEntitySubset($data);
86         $doc = simplexml_load_string($data);
99      * @param mixed $data
101     private function emptyStringToSpaceCharacter($data): string  argument
103         return '' === $data ? ' ' : (string) $data;
109     public function visitNull($data, array $type): void  argument
116     public function visitString($data, array $type): string  argument
118         return (string) $data;
123     public function visitBoolean($data, array $type): bool  argument
125         $data = (string) $data;
127         if ('true' === $data || '1' === $data) {
129         } elseif ('false' === $data || '0' === $data) {
132 … convert data to boolean. Expected "true", "false", "1" or "0", but got %s.', json_encode($data)));
138     public function visitInteger($data, array $type): int  argument
140         return (int) $data;
145     public function visitDouble($data, array $type): float  argument
147         return (float) $data;
152     public function visitArray($data, array $type): array  argument
164             foreach ($data as $key => $v) {
179                 $namespaces = $data->getDocNamespaces();
188             $data->registerXPathNamespace($prefix, $namespace);
189             $nodes = $data->xpath(sprintf('%s:%s', $prefix, $entryName));
191             $nodes = $data->xpath($entryName);
219                 $nodes = $data->children($namespace)->$entryName;
239     public function visitDiscriminatorMapProperty($data, ClassMetadata $metadata): string  argument
243 …natorAttribute && null === $metadata->xmlDiscriminatorNamespace && isset($data->attributes()->{$me…
244                 return (string) $data->attributes()->{$metadata->discriminatorFieldName};
247 …natorAttribute && null !== $metadata->xmlDiscriminatorNamespace && isset($data->attributes($metada…
248 …return (string) $data->attributes($metadata->xmlDiscriminatorNamespace)->{$metadata->discriminator…
251 …natorAttribute && null !== $metadata->xmlDiscriminatorNamespace && isset($data->children($metadata…
252 …return (string) $data->children($metadata->xmlDiscriminatorNamespace)->{$metadata->discriminatorFi…
254             case isset($data->{$metadata->discriminatorFieldName}):
255                 return (string) $data->{$metadata->discriminatorFieldName};
274     public function visitProperty(PropertyMetadata $metadata, $data)  argument
282             return $this->navigator->accept($data, $metadata->type);
285             $attributes = $data->attributes($metadata->xmlNamespace);
294             return $this->navigator->accept($data, $metadata->type);
298             $enclosingElem = $data;
300                 $enclosingElem = $data->children($metadata->xmlNamespace)->$name;
310             $node = $data->children($metadata->xmlNamespace)->$name;
315             $namespaces = $data->getDocNamespaces();
318                 $data->registerXPathNamespace($prefix, $namespaces['']);
319                 $nodes = $data->xpath('./' . $prefix . ':' . $name);
321                 $nodes = $data->xpath('./' . $name);
339     public function endVisitingObject(ClassMetadata $metadata, $data, array $type): object  argument
389     public function getResult($data)  argument
391         return $data;
397     private function getDomDocumentTypeEntitySubset(string $data): string  argument
399         $startPos = $endPos = stripos($data, '<!doctype');
402             $char = $data[$endPos++];
411         $internalSubset = substr($data, $startPos, $endPos - $startPos);