PHP String::cleanString方法代碼示例

 /**
  * Retrieve HTTP "clean" value
  *
  * @param string $var
  * @param boolean $clean clean non UTF-8 characters
  * @return string
  */
 protected function _getHttpCleanValue($var, $clean = true)
 {
     $value = $this->_request->getServer($var, '');
     if ($clean) {
         $value = $this->_converter->cleanString($value);
     }
     return $value;
 }

 /**
  * Saving visitor information
  *
  * @param   \Magento\Log\Model\Visitor $visitor
  * @return  \Magento\Log\Model\Resource\Visitor
  */
 protected function _saveVisitorInfo($visitor)
 {
     $referer = $this->string->cleanString($visitor->getHttpReferer());
     $referer = $this->string->substr($referer, 0, 255);
     $userAgent = $this->string->cleanString($visitor->getHttpUserAgent());
     $userAgent = $this->string->substr($userAgent, 0, 255);
     $charset = $this->string->cleanString($visitor->getHttpAcceptCharset());
     $charset = $this->string->substr($charset, 0, 255);
     $language = $this->string->cleanString($visitor->getHttpAcceptLanguage());
     $language = $this->string->substr($language, 0, 255);
     $data = new \Magento\Framework\Object(array('visitor_id' => $visitor->getId(), 'http_referer' => $referer, 'http_user_agent' => $userAgent, 'http_accept_charset' => $charset, 'http_accept_language' => $language, 'server_addr' => $visitor->getServerAddr(), 'remote_addr' => $visitor->getRemoteAddr()));
     $bind = $this->_prepareDataForTable($data, $this->getTable('log_visitor_info'));
     $adapter = $this->_getWriteAdapter();
     $adapter->insert($this->getTable('log_visitor_info'), $bind);
     return $this;
 }

 /**
  * Check one attribute can be overridden in child
  *
  * @param string $attributeCode Attribute code
  * @param array $attributeParams Attribute params
  * @param array $rowData Row data
  * @param int $rowNumber
  * @return bool
  * @SuppressWarnings(PHPMD.CyclomaticComplexity)
  */
 public function isAttributeValid($attributeCode, array $attributeParams, array $rowData, $rowNumber)
 {
     switch ($attributeParams['type']) {
         case 'varchar':
             $value = $this->string->cleanString($rowData[$attributeCode]);
             $valid = $this->string->strlen($value) < self::DB_MAX_VARCHAR_LENGTH;
             break;
         case 'decimal':
             $value = trim($rowData[$attributeCode]);
             $valid = (double) $value == $value && is_numeric($value);
             break;
         case 'select':
         case 'multiselect':
             $valid = isset($attributeParams['options'][strtolower($rowData[$attributeCode])]);
             break;
         case 'int':
             $value = trim($rowData[$attributeCode]);
             $valid = (int) $value == $value && is_numeric($value);
             break;
         case 'datetime':
             $value = trim($rowData[$attributeCode]);
             $valid = strtotime($value) !== false;
             break;
         case 'text':
             $value = $this->string->cleanString($rowData[$attributeCode]);
             $valid = $this->string->strlen($value) < self::DB_MAX_TEXT_LENGTH;
             break;
         default:
             $valid = true;
             break;
     }
     if (!$valid) {
         $this->addRowError(__("Please correct the value for '%s'."), $rowNumber, $attributeCode);
     } elseif (!empty($attributeParams['is_unique'])) {
         if (isset($this->_uniqueAttributes[$attributeCode][$rowData[$attributeCode]])) {
             $this->addRowError(__("Duplicate Unique Attribute for '%s'"), $rowNumber, $attributeCode);
             return false;
         }
         $this->_uniqueAttributes[$attributeCode][$rowData[$attributeCode]] = true;
     }
     return (bool) $valid;
 }

 /**
  * @covers \Magento\Framework\Stdlib\String::cleanString
  */
 public function testCleanString()
 {
     $string = '12345';
     $this->assertEquals($string, $this->_string->cleanString($string));
 }

 /**
  * Retrieve search query text
  *
  * @return string
  */
 private function getRawQueryText()
 {
     $queryText = $this->request->getParam(self::QUERY_VAR_NAME);
     return $queryText === null || is_array($queryText) ? '' : $this->string->cleanString(trim($queryText));
 }