\n"; } } class B extends A { function example() { echo "I am B::example() and provide additional functionality.
\n"; } function main() { $this->example(); parent::example(); } } $b = new B; // This will call B::example(), which will in turn call A::example(). $b->main(); // Saída: // I am B::example() and provide additional functionality. // I am A::example() and provide basic functionality.