$ar2 = array(5, 6, 7, 8);
$ar = array_merge($ar1, $ar2);
print_r($ar);
usort($ar, "cmp");
print_r($ar);
$ar = array_merge($ar1, $ar2);
$o = new cuntainted();
usort($ar, array($o, "cmp"));
print_r($ar);
$ar = array_merge($ar1, $ar2);
$o = new ctainted();
usort($ar, array($o, "cmp"));
print_r($ar);
}
ftainted();
funtainted();
/////////////array walk/call_user_func/call_user_func_array//////////////
function funtaa($v, $i, $d)
{
$r = $i * $v + $d;
echo "value:{$r}\n";
}
function ftaa($v, $i, $d)
{
$r = $i * $v + $d;
echo "value:{$r}\n";
}
function funtaw()
{
$array = array(1, 2, 3, 4, 5);
array_walk($array, "funtaa", 1);
}
function ftainted(&$o, &$s, $i)
{
$o->set($s);
$o->hi();
echo "tainted: {$s}\n";
$s .= "done";
}
$o = new cltainted();
$s = "started";
$i = 12;
$o = funtainted($o, $s, $i);
//return;
funtainted($o, $s, $i);
$o = funtainted2();
funtainted($o, $s, $i);
////////returning by reference///////////
$opt1 = 100;
$opt2 = 200;
function &chooser($i)
{
global $opt1;
global $opt2;
if ($i < $opt1) {
return $opt1;
} else {
return $opt2;
}
}
$var =& chooser(150);
$opt2 = 300;
