随便写了点不。看下面:<?phpclass a {
var $aa = "bb";
}
class b extends a {
var $bb = "cc";
}
class c extends b {
var $dd = "dd";
function output() {
echo($this->aa);
}
}$test = new c;
$test->output();
?>
var $aa = "bb";
}
class b extends a {
var $bb = "cc";
}
class c extends b {
var $dd = "dd";
function output() {
echo($this->aa);
}
}$test = new c;
$test->output();
?>
解决方案 »
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