<?php
interface Foo {
public function doFoo();
}
class Bar implements Foo {
public function doFoo() {
echo "foo";
}
}
class BarNoInterface {
public function doFoo() {
echo "foo";
}
}
$b = new Bar();
$b->doFoo();
$b = new Bar();
$b->doFoo();
$b = new Bar();
$b->doFoo();
$bni = new BarNoInterface();
$bni->doFoo();