Re: Confused - $GLOBALS

On Thu, 2004-12-09 at 13:41 -0500, John Nichel wrote: > Danny Brow wrote: > > Below is a snip of a program I am writing, I am a little new to php. > > Any how, I can't for the life me figure out why one of my functions > > cannot grab the item_pics1 variable. I have tried passing the variable > > to the function, tried using $GLOBALS['item_pic1']. So I guess my > > question is, does PHP in some cases need to have a variable in a if > > statement sent back to the global scope? everything works but the > > str_replace item_pics1. Hope this is enough code. > <snip> > > If you want to use a variable from outside the function, you either have > to pass it to the function; if you want to change it, you have to pass > it by reference, or make it global inside the function.... > > function foo ( $bar ) { > /--code--/ > } > > function foo ( &$bar ) { > /--code--/ > } > > function foo() { > global $var; > /--more code--/ > } > See this is where the confusion is, I've tried all these and it still does not work. I'm going to read the whole page on variable scope a few times, see if I missed something. Maybe it's something else in my code screwing my up. Thanks. Dan.