if i need more than one value ,how can it be done?

function test() {
$a=array("1","2","3");
$b=array("3","4");
return $a;
return $b;
}

$getvalue=test();

it only get the last return value
if i need more than one value ,how can it be done?

Make an array with the values in it and return that.

in other words, put your first 2 arrays into a third array and return that.
something like:

$a=array("1","2","3");
$b=array("3","4");
$c=array($a, $b);
return $c;