protected static function isDelimiter(&$context) {
        if (preg_match('/^=\s*([^ ]+)\s+([^ ]+)\s*=$/', $context['currentToken'][Token::POS_INNERTAG], $matched)) {
            $context['usedFeature']['delimiter']++;
            Parser::setDelimiter($context, $matched[1], $matched[2]);
            return true;
        }
    }
protected static function isDelimiter(&$context) {
        if (preg_match('/^=\s*([^ ]+)\s+([^ ]+)\s*=$/', $context['currentToken'][Token::POS_INNERTAG], $matched)) {
            $context['usedFeature']['delimiter']++;
            Parser::setDelimiter($context, $matched[1], $matched[2]);
            return true;
        }
    }
protected static function isDelimiter ( & $ context ) { if ( preg_match ( '/^=\s*([^ ]+)\s+([^ ]+)\s*=$/' , $ context [ 'currentToken' ] [ Token :: POS_INNERTAG ] , $ matched ) ) { $ context [ 'usedFeature' ] [ 'delimiter' ] ++ ; Parser :: setDelimiter ( $ context , $ matched [ 1 ] , $ matched [ 2 ] ) ; return true ; } }
handle delimiter change

@param array<string,array|string|integer> $context current compile context

@return boolean|null Return true when delimiter changed
handle delimiter change