TYPO3 Core

Due to an improper check on the token, it is not possible to use '0' (zero) as a splitting character. See the code below:

$conf['token'] = isset($conf['token.'])                                                                                                                                                                
        ? $this->stdWrap($conf['token'], $conf['token.'])                                                                                                                                              
        : $conf['token'];                                                                                                                                                                              
    if (!$conf['token']) {                                                                                                                                                                                 
        return $value;                                                                                                                                                                                 
    }

The part "if (!$conf['token'])" will return false if "$conf['token']" is set to 0 (zero). A solution like the following should solve the problem.

$conf['token'] = isset($conf['token.'])                                                                                                                                                                
        ? $this->stdWrap($conf['token'], $conf['token.'])                                                                                                                                              
        : $conf['token'];                                                                                                                                                                              
    if (!$conf['token'] && $conf['token'] != '0') {                                                                                                                                                                                 
        return $value;                                                                                                                                                                                 
    }

I will try to add a patch later today.