【单选题】执行以下代码,输入结果是( )。 class A{ function __construct(){ echo "echo class a something"; } } class B extends A{ function __construct(){ echo "echo class b something"; } } $a=new B();
A.
echo class a something echo class b something
B.
echo class b something echo class a something
C.
echo class as something
D.
echo class b something
【单选题】易袭阳位,具有轻扬向上特性的邪气是( )
【简答题】执行以下代码,输出结果是()? class a{ function __construct(){ echo "echo class a something"; }}class b extends a{ function __construct(){ echo "echo class b something"; }}$a = new b();?A....