On Oct 15, 2010 at 13:44, Juha Heinanen <j...@tutpro.com> wrote: > Andrei Pelinescu-Onciul writes: > > > Because "==" works only with arguments of the same type, 0 it's > > autoconverted to "0". The alternative would be to log an error. > > andrei, > > please log an error, because it is hard to remember this uncommon > comparison rule and seeing an error message would reveal the problem > fast. > > > Here are the rules for ==: > > /* if left is string, eval left & right as string and use string diff. > > * if left is int eval as int using int diff > > * if left is undef, look at right and convert to right type > > */ > > getting back to the example code, how can i check if value of a var > is int 0? is there an is_int function?
No, there is no is_int function, but you could use a hack: if (($v == 0) && ($v + 0 == (str)0)) will be true only if $v is int and == 0 ($v == 0 makes sure that $v!=""). Andrei _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users@lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
