TYPO3_6-2/_validate_hash_e_i_d_8php_source.html

 <?php
 call_user_func(function() {
     $value = \TYPO3\CMS\Core\Utility\GeneralUtility::_GET('value');
     $addition = \TYPO3\CMS\Core\Utility\GeneralUtility::_GET('addition');
     $scope = \TYPO3\CMS\Core\Utility\GeneralUtility::_GET('scope');

     $content = \TYPO3\CMS\Core\Utility\GeneralUtility::hmac($value, $addition);

     if ($scope === 'flashvars') {
         header('Content-type: application/x-www-form-urlencoded');
         $content = 'hash=' . $content;
     } else {
         header('Content-type: text/plain');
     }

     header('Pragma: no-cache');
     header('Cache-control: no-cache');

     echo $content;
 });
TYPO3\CMS\Core\Utility\GeneralUtility\hmac
static hmac($input, $additionalSecret='')
Definition: GeneralUtility.php:828

TYPO3\CMS\Core\Utility\GeneralUtility\_GET
static _GET($var=NULL)
Definition: GeneralUtility.php:166