looping query

knickerlas

Hi everyone
Could someone explain how I can loop through an array when I don't know how many elements it contains and check each element against a value?

I know this is probably best done with foreach() but I am having a little trouble!

Also, is it possible to use an array as a session variable?

mucho grassy arse

Nick

lucidfx

for ($i=0;$i<sizeof($thearrayname);$i++)
{
//do your shaaz.
//do your checking
/*
if (whatever==$thearrayname[$i])
{
its equal
}

*/

}

yes you can

session_start();
session_register("NAMEARRAY");

$NAMEARRAY[0]="WHATEVER";
$NAMEARRAY[1]="WHATEVER";

http://www.devshed.com has good session tutorials.

Hope this gets you started.

Anon

Thanks, I'll try that.

Anon

Another way to do that is follows

for($i=0; $i<count($array);$i++)
{
if($array[$i]==$yourvalue)
{
echo "Match found";
break;
}
}

You can use for each as well

foreach($array as $arr)
{
if($arr==$yourvalue)
{
echo "Match found";
}
}

Hope that helps,

knickerlas

Cheers Patrick
but will this work for an array containing many elements?

Nick

knickerlas

Thanks for that Dmitry.
In the foreach() loop is $arr changed to the next element in the $array array?
It looks like how it works.

cheers

Nick

Anon

yeap.

Next element of $array is stored into variable $arr. Variable $arr contains different value with each loop.

knickerlas

Thanks Di.