unset($this->observers[$id]);
}
}
public function notify()
{
foreach ($this->observers as $observer) {
$observer->update($this);
}
}
public function setValue($value)
{
$this->value = $value;
$this->notify();
}
public function getValue()
{
return $this->value;
}
}
class Observer implements SplObserver
{
public function update(SplSubject $subject)
{
echo '<p>Новое значение равно: ' . $subject->getValue() . '</p>';
}
}
$subject = new Subject();
$observer = new Observer();
$subject->attach($observer);
$subject->setValue(5);
return $this->_value;
}
}
/**
* 观察者1
*/
class Observer1 implements SplObserver
{
public function update(SplSubject $subject)
{
echo '<b>对象</b>：</b>' . get_class() . ' <b>内容：</b>' . $subject->getValue() . '<br />';
}
}
/**
* 观察者2
*/
class Observer2 implements SplObserver
{
public function update(SplSubject $subject)
{
echo '<b>对象：</b>' . get_class() . ' <b>内容：</b>' . $subject->getValue() . '<br />';
}
}
//实现
$subject = new Subject();
$object1 = new Observer1();
$object2 = new Observer2();
$subject->attach($object1);
$subject->attach($object2);
$subject->setValue('这是内容');
public function testSetValue()
{
$newValue = 'NewValue';
$this->claim->setValue($newValue);
$this->assertSame($newValue, $this->claim->getValue());
}