eZ\Publish\Core\REST\Common\Input\ParserTools::parseBooleanValue PHP Method

    public function parseBooleanValue($value)
    {
        if (is_bool($value)) {
            return $value;
        }
        switch (strtolower($value)) {
            case 'true':
                return true;
            case 'false':
                return false;
        }
        throw new RuntimeException("Unknown boolean value '{$value}'.");
    }

 /**
  * Parse input structure.
  *
  * @param array $data
  * @param \eZ\Publish\Core\REST\Common\Input\ParsingDispatcher $parsingDispatcher
  *
  * @return \eZ\Publish\API\Repository\Values\User\UserCreateStruct
  */
 public function parse(array $data, ParsingDispatcher $parsingDispatcher)
 {
     $contentType = null;
     if (array_key_exists('ContentType', $data) && is_array($data['ContentType'])) {
         if (!array_key_exists('_href', $data['ContentType'])) {
             throw new Exceptions\Parser("Missing '_href' attribute for ContentType element in UserCreate.");
         }
         $contentType = $this->contentTypeService->loadContentType($this->requestParser->parseHref($data['ContentType']['_href'], 'contentTypeId'));
     }
     if (!array_key_exists('mainLanguageCode', $data)) {
         throw new Exceptions\Parser("Missing 'mainLanguageCode' element for UserCreate.");
     }
     if (!array_key_exists('login', $data)) {
         throw new Exceptions\Parser("Missing 'login' element for UserCreate.");
     }
     if (!array_key_exists('email', $data)) {
         throw new Exceptions\Parser("Missing 'email' element for UserCreate.");
     }
     if (!array_key_exists('password', $data)) {
         throw new Exceptions\Parser("Missing 'password' element for UserCreate.");
     }
     $userCreateStruct = $this->userService->newUserCreateStruct($data['login'], $data['email'], $data['password'], $data['mainLanguageCode'], $contentType);
     if (array_key_exists('Section', $data) && is_array($data['Section'])) {
         if (!array_key_exists('_href', $data['Section'])) {
             throw new Exceptions\Parser("Missing '_href' attribute for Section element in UserCreate.");
         }
         $userCreateStruct->sectionId = $this->requestParser->parseHref($data['Section']['_href'], 'sectionId');
     }
     if (array_key_exists('remoteId', $data)) {
         $userCreateStruct->remoteId = $data['remoteId'];
     }
     if (array_key_exists('enabled', $data)) {
         $userCreateStruct->enabled = $this->parserTools->parseBooleanValue($data['enabled']);
     }
     if (!array_key_exists('fields', $data) || !is_array($data['fields']) || !is_array($data['fields']['field'])) {
         throw new Exceptions\Parser("Missing or invalid 'fields' element for UserCreate.");
     }
     foreach ($data['fields']['field'] as $fieldData) {
         if (!array_key_exists('fieldDefinitionIdentifier', $fieldData)) {
             throw new Exceptions\Parser("Missing 'fieldDefinitionIdentifier' element in field data for UserCreate.");
         }
         $fieldDefinition = $userCreateStruct->contentType->getFieldDefinition($fieldData['fieldDefinitionIdentifier']);
         if (!$fieldDefinition) {
             throw new Exceptions\Parser("'{$fieldData['fieldDefinitionIdentifier']}' is invalid field definition identifier for '{$userCreateStruct->contentType->identifier}' content type in UserCreate.");
         }
         if (!array_key_exists('fieldValue', $fieldData)) {
             throw new Exceptions\Parser("Missing 'fieldValue' element for '{$fieldData['fieldDefinitionIdentifier']}' identifier in UserCreate.");
         }
         $fieldValue = $this->fieldTypeParser->parseValue($fieldDefinition->fieldTypeIdentifier, $fieldData['fieldValue']);
         $languageCode = null;
         if (array_key_exists('languageCode', $fieldData)) {
             $languageCode = $fieldData['languageCode'];
         }
         $userCreateStruct->setField($fieldData['fieldDefinitionIdentifier'], $fieldValue, $languageCode);
     }
     return $userCreateStruct;
 }