关于php承袭的疑惑

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<!--?php
class A {
    [color=#FF0000]private[/color] $name = "Nciaer";
    public function say() {
        echo $this ---> name . "<br>";
    }
}
class B extends A {
    public $name = "Fansa";
}
$b = new B();
$b -> say();
?>

<!--
Code highlighting produced by Actipro CodeHighlighter (freeware)
http://www.CodeHighlighter.com/
-->
<!--?php
class A {
    [color=#FF0000]public[/color] $name = "Nciaer";
    public function say() {
        echo $this ---> name . "<br>";
    }
}
class B extends A {
    public $name = "Fansa";
}
$b = new B();
$b -> say();
?>