value = $value;
}
public function getValue() {
return $this->value;
}
}
//standard: pass by value
//with &; pass by reference
function show(&$x, &$y) {
$tmp = $x;
$x = $y;
$y = $tmp;
}
$a = new Holder('a');
$b = new Holder('b');
show($a, $b);
echo $a->getValue() . ", " . $b->getValue() . "
";
echo "
";
echo "The above output is generated by the code below:
";
highlight_file( __FILE__ );
?>