abstract class jiuke{
private $name;
abstract function hlw();
abstract function jsqc();
abstract function sp();
function say(){
echo “jkstq”;
}
}
class sl extends jiuke{
function hlw(){
return $this->name=”wulei”;
}
function jsqc(){
return $this->name=”jliue”;
}
function sp(){
return $this->name=”jliue”;
}
}
$sl = new sl();
echo $sl->hlw();