src/Contao/View/Contao2BackendView/Subscriber/MultipleHandlerSubscriber.php
private function getOriginalPropertyName($propertyName, ModelIdInterface $modelId)
    {
        $originalPropertyName =
            \trim(\substr($propertyName, \strlen(\str_replace('::', '____', $modelId->getSerialized()) . '_')), '[]');

        return $originalPropertyName ?: null;
    }
private function getOriginalPropertyName($propertyName, ModelIdInterface $modelId)
    {
        $originalPropertyName =
            \trim(\substr($propertyName, \strlen(\str_replace('::', '____', $modelId->getSerialized()) . '_')), '[]');

        return $originalPropertyName ?: null;
    }
private function getOriginalPropertyName ( $ propertyName , ModelIdInterface $ modelId ) { $ originalPropertyName = \ trim ( \ substr ( $ propertyName , \ strlen ( \ str_replace ( '::' , '____' , $ modelId -> getSerialized ( ) ) . '_' ) ) , '[]' ) ; return $ originalPropertyName ? : null ; }
Get the original property name.

@param string           $propertyName The property name.
@param ModelIdInterface $modelId      The model id.

@return string|null
Get the original property name .