nval
If the current token is a number, this field contains the value of that number. The current token is a number when the value of the ttype field is TT_NUMBER.
The initial value of this field is 0.0.
If the current token is a number, this field contains the value of that number. The current token is a number when the value of the ttype field is TT_NUMBER.
The initial value of this field is 0.0.