<?php

class foo {
    public function __construct() {
        $this->monkey();
    }

    protected function monkey() {
        echo 'foo';
    }
}

class bar extends foo {
    public function __construct() {
        parent::__construct();
    }

    protected function monkey() {
        echo 'bar';
    }
}

echo 'Construct foo ' . "\n";
$foo    = new foo();
echo "\n\n";

echo 'Construct bar: ' . "\n";
$bar    = new bar();
echo "\n";

?>