Re: Passing by reference...

Michael Sims wrote in message: > Yes, that is true. The "tax" function has the ampersand in the argument > list, which means that any variable that you send to it gets passed by > reference. This means that any changes to that variable that occur inside > the function will actually affect the same variable that is in the scope of > the main script. Without the ampersand, the function will only modify it's > own local copy of the variable and leave the one in the main script > unaltered. If you remove the ampersand from the above script and re-run > it, then the output of the first echo statement should not change, but the > second one will change to 2500 since the function will no longer be > altering the variable in the main script. > > http://www.php.net/manual/en/language.references.pass.php > > Sorry if I'm not understanding your question... .................................... Thanks for the reply Michael. You've answered my question. A happy and healthy new year to you and yours. Tony Ritter