PHP SubjectImpl Examples

Example #1

File: ext_spl_tests_observer_002.php Project: gleamingthecube/php

    {
        echo $this->name . '->' . __METHOD__ . "();\n";
        foreach ($this->observers as $key => $observer) {
            $observer->update($this);
        }
    }
    function getName()
    {
        return $this->name;
    }
    function contains($obj)
    {
        return $this->observers->contains($obj);
    }
}
$sub = new SubjectImpl();
$ob1 = new ObserverImpl("ob1");
$ob2 = new ObserverImpl("ob2");
$ob3 = new ObserverImpl("ob3");
var_dump($sub->contains($ob1));
$sub->attach($ob1);
var_dump($sub->contains($ob1));
$sub->attach($ob1);
$sub->attach($ob2);
$sub->attach($ob3);
var_dump($sub->count());
$sub->notify();
$sub->detach($ob3);
var_dump($sub->count());
$sub->notify();
$sub->detach($ob2);

Example #2

File: observer_001.php Project: badlamer/hhvm

            unset($this->observers[$idx]);
        }
    }
    function notify()
    {
        echo '$sub->' . __METHOD__ . "();\n";
        foreach ($this->observers as $observer) {
            $observer->update($this);
        }
    }
    function getName()
    {
        return $this->name;
    }
}
$sub = new SubjectImpl();
$ob1 = new ObserverImpl("ob1");
$ob2 = new ObserverImpl("ob2");
$ob3 = new ObserverImpl("ob3");
$sub->attach($ob1);
$sub->attach($ob1);
$sub->attach($ob2);
$sub->attach($ob3);
$sub->notify();
$sub->detach($ob3);
$sub->notify();
$sub->detach($ob2);
$sub->detach($ob1);
$sub->notify();
$sub->attach($ob3);
$sub->notify();