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Posted by Mike G. on 06/13/01 11:56
I use in_array() all the time:
<?php
$delete_me = 'Red'; // the value we want to remove...
$colors = array('Red', 'Green', 'Blue', 'Clear');
if(in_array($delete_me,$colors)) {
unset($colors[array_search($delete_me,$colors)]);
}
?>
Flaming Corncob wrote:
> In article <9c30f$44ed965b$8259c69c$3516@news1.tudelft.nl>,
> "Rik" <luiheidsgoeroe@hotmail.com> wrote:
>
> > Flaming Corncob wrote:
> > > Is there any way to add to an already existing array?
> >
> > Several, for instance:
> >
> > 1. $array[] = $value;
> > Will add a numerically indexed value on the end of the array
> > 2. array_push($array, $foo, $bar,...);
> > Will add an arbitrary amount of variables to the end of the array
> > 3. array_unshift($arraym$foo,$bar,....);
> > Same as array_push, only to the beginning
> >
> > And many, many more possibilities, read up on it:
> > http://www.php.net/manual/en/ref.array.php
> > http://www.php.net/manual/en/language.types.array.php
>
> Cool. Already stumbled on array_push() but $array is easier. Next I need
> to be able to find something in an array and if it's there erase it.
> I've tried unset() but that destroys part of the array and when you add
> to it after that it doesn't fill in the hole created by unset..
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