Re: functions and global variables

My two cents on this one. Modify the $name within the function and print it. Modify the$name outside the function (means the non-global-declared $name) and print it. You will know the difference. --Shreyas On Mon, Jul 19, 2010 at 7:41 AM, Paul M Foster <paulf@quillandmouse.com>wrote: > On Sun, Jul 18, 2010 at 06:37:30PM -0400, David Mehler wrote: > > > Hello, > > I've got a file with a variable declared in it. For purposes of this > post: > > > > $name = $_POST['name']; > > > > Now a little later in the same file I have a custom function call that > > outputs some information. In that information is an echo statement > > outputting $name: > > > > echo $name; > > > > I'm wondering do I have to have $name declared as a global variable > > within that function? For example: > > > > function customFunction() { > > global $name > > } > > > > I've tried it both ways and both ways it works, with and without the > > global statement. I was under the impression that to be useful in a > > function variables outside were not accessible. > > Thanks. > > Dave. > > Variables declared outside a function are visible outside the function. > Variables declared inside a function are visible only within that > function. To use a "global" variable inside a function, you must declare > it global, as: > > global $globalvar; > > Paul > > -- > Paul M. Foster > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > -- Regards, Shreyas Agasthya