<?php
class foo {
public function p() {} // everyone can use
private function p2() {} // only class foo may use internally
protected function p3() {} // only class foo and it's extender can use
}
class foo_ex extends foo {
function foo_ex() {
$this->p2();
}
}
$a = new foo();
$a->p3(); // fatal error
$b = new foo_ex(); // will fail with fatal error
?>