class Classe1 { private $var1 = "Olá, var1\n"; protected $var2 = "Olá, var2\n"; protected $var3 = "Olá, var3\n"; function bomDia() { print "Classe1: " . $this->var1 . "<br>"; print "Classe1: " . $this->var2 . "<br>"; print "Classe1: " . $this->var3 . "<br><br>"; } } class Classe2 extends Classe1 { function bomDia() { Classe1::bomDia(); // Exibe print "Classe2: " . $this->var1 . "<br>"; // Não exibe nada print "Classe2: " . $this->var2 . "<br>"; // Exibe print "Classe2: " . $this->var3 . "<br>"; // Exibe } } $obj = new Classe1(); $obj->bomDia(); $obj = new Classe2(); $obj->bomDia();