return $this->size;
}
}
class Lion extends Feline
{
public $size = 'large';
public $hasMane = true;
}
class Tiger extends Feline
{
public $size = 'large';
}
class HouseCat extends Feline
{
public $size = 'small';
}
$lion = new Lion('Frog');
$tiger = new Tiger('Tubby');
$house_cat = new HouseCat('Snoopy');
echo 'Frog the Lion is ' . $lion->size . '.';
echo '<br>';
echo 'Tubby the tiger is ' . $tiger->size . '.';
echo '<br>';
echo 'Snoopy the house cat is ' . $house_cat->size . '.';
echo '<br>';
echo $lion->getSize();
echo '<br>';
echo $tiger->getSize();
echo '<br>';
echo $house_cat->getSize();
echo '<br>';
<?php
error_reporting(E_ALL);
require 'Tiger/Tiger.php';
include APP_PATH . '/config.php';
$_tiger = new Tiger();
/* 优先级
* 1配置，2错误处理，3语言
*/
$_tiger->setConfig($_config);
$_tiger->setHalt("handleErrorFuncForTiger");
$_lang = $_tiger->lang();
function handleErrorFuncForTiger($msg, $isI18nMsg = false, $level = 0)
{
global $_tiger, $_lang;
$c = $_tiger->error();
if (true === $isI18nMsg) {
$msg = $_lang->get($msg);
}
$c->call($msg);
}
public static function call(Tiger $animal)
{
$animal->climb();
}
return "Meow meow." . '<br/>';
}
public final function no_extend()
{
return "This function cannot be redefined in child classes.";
}
}
class Tiger extends Cat
{
public function roar($name)
{
return "My name is {$name}. Hear me roar!" . '<br/>';
}
}
$cat1 = new Cat("Felix");
$cat2 = new Tiger("Clemson");
echo $cat1::meow();
echo $cat2::meow();
// <- Works because Clementine is a type of cat, so the function extends.
//echo $cat1->roar("Felix"); <-- Doesn't work because Felix is defined as a cat and tiger methods don't extend backwards to cats.
echo $cat2->roar("Clementine");
echo Cat::numLegs;
if (is_a($cat1, "Cat")) {
echo '<br/>' . "I am a cat (object Class), ";
}
if (property_exists($cat2, "name")) {
echo "I have a name (property), ";
}
if (method_exists($cat2, "roar")) {
echo "And hear me roar (method)!";
}
