/**
* Calculates and sets the internal linkVars based upon the current
* $_GET parameters and the setting "config.linkVars".
*
* @return void
*/
public function calculateLinkVars()
{
$this->linkVars = '';
$linkVars = \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', (string) $this->config['config']['linkVars']);
if (empty($linkVars)) {
return;
}
$getData = \TYPO3\CMS\Core\Utility\GeneralUtility::_GET();
foreach ($linkVars as $linkVar) {
$test = $value = '';
if (preg_match('/^(.*)\\((.+)\\)$/', $linkVar, $match)) {
$linkVar = trim($match[1]);
$test = trim($match[2]);
}
if ($linkVar === '' || !isset($getData[$linkVar])) {
continue;
}
if (!is_array($getData[$linkVar])) {
$temp = rawurlencode($getData[$linkVar]);
if ($test !== '' && !\TYPO3\CMS\Frontend\Page\PageGenerator::isAllowedLinkVarValue($temp, $test)) {
// Error: This value was not allowed for this key
continue;
}
$value = '&' . $linkVar . '=' . $temp;
} else {
if ($test !== '' && strcmp('array', $test)) {
// Error: This key must not be an array!
continue;
}
$value = \TYPO3\CMS\Core\Utility\GeneralUtility::implodeArrayForUrl($linkVar, $getData[$linkVar]);
}
$this->linkVars .= $value;
}
}
