Re: Display line-numbers of funktion calls?

> > does anyone know a way to get the file and line number of a function call > > within the called function? > > I use a self-written class for database-abstraction (for easily changing the > > databse-type) and when i get a sql-error, the scripts are only displaying > > the line number of the include-file with the class, wich complicates > > debugging quite much. > > This is not possible before PHP 4.3. Using __FILE__ and __LINE__ will > only give you what you're already getting, not what called it. PHP 4.3 > provides the debug_backtrace() function, which will give you this > information in a big stack array. > > Have a look at http://www.php.net/debug_backtrace Many times people pass in the __LINE__ and __FILE__ to their error handling function which yes can be a little tedious but it's how it is. Something like: if (error) { db_error("Bad Stuff", __LINE__, __FILE__); } This way the error handler will have the proper information. On a related note, as of 4.3.0 we now have __FUNCTION__ and __CLASS__ available. Regards, Philip