<?

$i = 1;
$i2 = $i;
$i2++;
print "i2: $i2\n";
print "i : $i\n";

$s = "hello";
$s2 = $s;
$s2[0] = "H";
print "s2: $s2\n";
print "s : $s\n";

$l = array("hello");
$l2 = $l;
array_push($l2, "world");
print "l2: " . join(" ", $l2) . "\n";
print "l : " . join(" ", $l) . "\n";


class point {
    function point($x, $y) {
	$this->x = $x;
	$this->y = $y;
    }

    function translate($x, $y) {
	$this->x += $x;
	$this->y += $y;
    }

    function show() {
	return "Point($this->x, $this->y)";
    }
}

$p = new point(0, 1);
$p2 = $p;
$p2->translate(1, 1);

print "p2: " . $p2->show() . "\n";
print "p : " . $p->show() . "\n";

?>