<?php
interface bird {
/*function setKind(string $type);
function getKind();
function getLocation();
function setLocation(location $location);
function flyTo(location $location);
function setMelody(string $melody);
function singMelody(); // вывод зависит от kind
function killBird();*/
function cloneBird(int $count);
}
class Sparrow implements bird
{
public function cloneBird(int $count)
{
echo $count;
}
}
$s = new Sparrow();
var_dump($s->cloneBird(3));
Catchable fatal error: Argument 1 passed to Sparrow::cloneBird() must be an instance of int, integer given, called in /in/4NS59 on line 32 and defined in /in/4NS59 on line 24
Process exited with code 255.