In the grammar, the `string-variable` production rule is not used. Looking at https://github.com/php/php-src/blob/0720313bd452adf451173574e97fd761f90623a2/Zend/zend_language_parser.y#L1223, I think it should be a summand of `dq-char`.
In the grammar, the
string-variableproduction rule is not used.Looking at https://github.com/php/php-src/blob/0720313bd452adf451173574e97fd761f90623a2/Zend/zend_language_parser.y#L1223, I think it should be a summand of
dq-char.