Some teachers will say this just because they think students are dumb. The reasoning behind it is that 'if we teach them to pass by reference some other dumb programmer can accidentally change values around and break stuff!' Simpletons! > >Isn't passing by reference a "no-no" is terms of good programming? At least >that's what I was told when I studied programming about 12 years ago? > >Ignatius > > > >----- Original Message ----- >From: "Anthony Ritter" <[EMAIL PROTECTED]> >To: <[EMAIL PROTECTED]> >Sent: Tuesday, January 01, 2002 2:40 PM >Subject: Re: [PHP-WIN] 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 > > > > > > > > > > -- > > PHP Windows Mailing List (http://www.php.net/) > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > To contact the list administrators, e-mail: [EMAIL PROTECTED] > > > > >-- >PHP Windows Mailing List (http://www.php.net/) >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] >To contact the list administrators, e-mail: [EMAIL PROTECTED] >
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