Function doesnt see outer variable:
<?
$a=2;
function aaa (){
echo "rezultatas $a <br>";
}
aaa();
?>
Inner function variable is not seen in outer code:
<?

$a=2;
function bbb (){
$a=3;
echo "vidinis  $a <br>";
}
bbb();
echo "$a <br>"; //2

?>

<?

$a=2;
function ccc (){
$a=3;
return $a;
}
ccc();
echo "$a <br>"; // 2

?>
Related variables:
<?

$a=2;

function surisimas (&$b){
$b=10;
}

surisimas($a);
echo "$a <br>"; // 10

?>
<?
$a=2;

function ddd ($b){
$b=10;
}

ddd(&$a);

echo "$a <br>"; //10

?>
Return array:
<?

function eee (){
return array ("jonas", "petras", "simas");
}

list ($a, $b, $c )=eee();
echo "$c <br>";// simas

?>

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