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<?php |
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declare(strict_types=1); |
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namespace GraphQL\Type\Definition; |
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use ReflectionClass; |
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use ReflectionException; |
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use function array_filter; |
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use function array_keys; |
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use function count; |
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use function is_array; |
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use function is_callable; |
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use function lcfirst; |
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use function preg_replace; |
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use function range; |
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use function ucfirst; |
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class ValidatedFieldDefinition extends FieldDefinition |
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{ |
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/** @var callable */ |
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protected $typeSetter; |
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protected $validFieldName; |
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protected $resultFieldName; |
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/** |
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* @param mixed[] $config |
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*/ |
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public function __construct(array $config) |
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{ |
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$args = $config['args']; |
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$name = $config['name'] ?? lcfirst($this->tryInferName()); |
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$this->validFieldName = $config['validName'] ?? 'valid'; |
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$this->resultFieldName = $config['resultName'] ?? 'result'; |
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parent::__construct([ |
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'type' => function() use($name, $config, $args) { |
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return static::_create($name, $args, $config); |
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}, |
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'args' => $args, |
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'name' => $name, |
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'resolve' => function ($value, $args1, $context, $info) use ($config, $args) { |
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// validate inputs |
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$config['type'] = new InputObjectType([ |
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'name'=>'', |
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'fields' => $args, |
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]); |
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$config['isRoot'] = true; |
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$errors = $this->_validate($config, $args1); |
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$result = $errors; |
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$result[$this->validFieldName] = !$errors; |
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if (!empty($result['valid'])) { |
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$result[$this->resultFieldName] = $config['resolve']($value, $args1, $context, $info); |
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} |
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return $result; |
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}, |
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]); |
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} |
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protected function _create($name, $args, $config) { |
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return UserErrorsType::create([ |
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'errorCodes' => $config['errorCodes'] ?? null, |
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'isRoot' => true, |
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'fields' => [ |
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$this->resultFieldName => [ |
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'type' => $config['type'], |
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'description' => 'The payload, if any', |
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'resolve' => static function ($value) { |
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return $value['result'] ?? null; |
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}, |
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], |
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$this->validFieldName => [ |
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'type' => Type::nonNull(Type::boolean()), |
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'description' => 'Whether all validation passed. True for yes, false for no.', |
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'resolve' => static function ($value) { |
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return $value['valid']; |
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}, |
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], |
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], |
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'validate' => $config['validate'] ?? null, |
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'type' => new InputObjectType([ |
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'fields' => $args, |
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'name' => '', |
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]), |
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'typeSetter' => $config['typeSetter'] ?? null, |
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], [$name], false, ucfirst($name) . 'Result'); |
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} |
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private function _noop($value) { |
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// this is just a no-op validation function to fallback to when no validation function is provided |
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return 0; |
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} |
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/** |
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* @param mixed[] $arr |
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*/ |
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protected function _isAssoc(array $arr) : bool |
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{ |
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if ($arr === []) { |
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return false; |
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} |
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return array_keys($arr) !== range(0, count($arr) - 1); |
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} |
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/** |
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* @param mixed[] $value |
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* @param string[] $path |
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* |
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* @throws ValidateItemsError |
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*/ |
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protected function _validateItems($config, array $value, array $path, callable $validate) : void |
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{ |
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foreach ($value as $idx => $subValue) { |
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if (is_array($subValue) && !$this->_isAssoc($subValue)) { |
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$path[count($path)-1] = $idx; |
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$newPath = $path; |
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$newPath[] = 0; |
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$this->_validateItems($config, $subValue, $newPath, $validate ); |
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} else { |
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$path[count($path) - 1] = $idx; |
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$err = $validate($subValue); |
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if(empty($err)) { |
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$wrappedType = $config['type']->getInnermostType(); |
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$err = $this->_validate([ |
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'type' => $wrappedType |
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], $subValue, $config['type'] instanceof ListOfType); |
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} |
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if ($err) { |
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throw new ValidateItemsError($path, $err); |
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} |
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} |
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} |
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1 |
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} |
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/** |
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* @param mixed[] $arg |
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* @param mixed $value |
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* @return mixed[] |
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*/ |
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protected function _validate(array $arg, $value, bool $isParentList = false) : array |
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{ |
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$res = []; |
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if (is_callable($arg['type'])) { |
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$arg['type'] = $arg['type'](); |
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} |
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$type = $arg['type']; |
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switch ($type) { |
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case $type instanceof ListOfType: |
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$this->_validateListOfType($arg, $value, $res); |
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break; |
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case $type instanceof NonNull: |
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$arg['type'] = $type->getWrappedType(); |
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$res = $this->_validate($arg, $value); |
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break; |
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case $type instanceof InputObjectType: |
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$this->_validateInputObject($arg, $value, $res, $isParentList); |
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break; |
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default: |
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if (is_callable($arg['validate'] ?? null)) { |
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$res['error'] = $arg['validate']($value) ?? []; |
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} |
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} |
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return array_filter($res); |
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} |
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protected function _validateListOfType(array $config, $value, array &$res) { |
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try { |
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$this->_validateItems($config, $value, [0], $config['validate'] ?? [$this, "_noop"]); |
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} catch (ValidateItemsError $e) { |
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if(isset($e->error['suberrors'])) { |
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$err = $e->error; |
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} |
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else { |
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$err = [ |
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2 |
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'error' => $e->error, |
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]; |
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} |
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$err['path'] = $e->path; |
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$res[] = $err; |
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} |
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4 |
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} |
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protected function _validateInputObject($arg, $value, &$res, bool $isParentList) { |
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$type = $arg['type']; |
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if (isset($arg['validate'])) { |
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$err = $arg['validate']($value) ?? []; |
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if ($err) { |
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1 |
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$res['error'] = $err; |
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1 |
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return; |
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} |
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} |
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205
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$this->_validateInputObjectFields($type, $arg, $value, $res, $isParentList); |
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} |
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protected function _validateInputObjectFields($type, array $config, $value, &$res, $isParentList = false) { |
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$createSubErrors = UserErrorsType::needSuberrors($config, $isParentList); |
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$fields = $type->getFields(); |
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if (is_array($value)) { |
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foreach ($value as $key => $subValue) { |
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$config = $fields[$key]->config; |
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$error = $this->_validate($config, $subValue); |
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if($error) { |
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$createSubErrors ? $res[UserErrorsType::SUBERRORS_NAME][$key] = $error : $res[$key] = $error; |
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} |
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} |
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} |
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} |
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/** |
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* @return mixed|string|string[]|null |
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* |
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* @throws ReflectionException |
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*/ |
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1 |
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protected function tryInferName() |
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{ |
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// If class is extended - infer name from className |
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// QueryType -> Type |
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// SomeOtherType -> SomeOther |
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1 |
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$tmp = new ReflectionClass($this); |
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1 |
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$name = $tmp->getShortName(); |
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return preg_replace('~Type$~', '', $name); |
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} |
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} |
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shmax /
graphql-php-validation-toolkit
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