<?php class A { function A() { echo "I am A::A() and provide basic functionality.<br />\n"; } }class B extends A { function A() { echo "I am B::A() and provide additional functionality.<br />\n"; parent::A(); } }$b = new B;// 这将调用 B::A(),而它会去调用 A::A()。 $b->A(); ?>
class A {
function A() {
echo "I am A::A() and provide basic functionality.<br />\n";
}
}class B extends A {
function A() {
echo "I am B::A() and provide additional functionality.<br />\n";
parent::A();
}
}$b = new B;// 这将调用 B::A(),而它会去调用 A::A()。
$b->A();
?>