public $iq = 100;
public function say()
{
$arr = array('早上好', '晚上好', 'shit');
if ($this->iq >= 100) {
echo $arr[0];
} else {
$rad = rand(0, 2);
echo $arr[$rad];
}
}
}
class car
{
public function hit($m)
{
$ra = rand(50, 150);
$m->iq = $ra;
}
}
$m = new man();
$c = new car();
echo $m->say();
echo "<br>";
$c->hit($m);
echo $m->iq;
echo "<br>";
echo $m->say();
echo "<br>";
echo $m->say();
echo "<br>";