PlayerDeathEvent troubles

So I am trying to make something happen when a player is killed by another player. The code works, except the server crashes f the player is killed by a block, fire, TNT etc. The code looks something like

PHP:

Public function playerDeath(PlayerDeathEvent $event) {
$victim = $event->getEntity();
$cause = $victim->getLastDamageCause();
$killer = $cause->getDamager();

if($killer instanceof Player) {
//Blah blah;
}
}

The console gives an error message saying "Call to undefined function EntityDamageEvent::getDamager()"

Any tips or suggestions?

What line does it say is the problem?

The fourth line

I think the reason is some cause didn't have damager

add

PHP:

if($cause instanceof EntityDamageByEntityEvent){
}


Before the instanceof Player code.

I'm still getting

Code:

 Fatal error: Call to undefined method pocketmine\event\entity\EntityDamageEvent::getDamager()

for line 4

What, $if?

That was just a typo on here. Its not in the actual plugin

You did it wrong,

PHP:

public function onDeath(PlayerDeathEvent $event) {
    $victim = $event->getEntity();
    $c = $victim->getLastDamageCause();
    if($c instanceof EntityDamageByEntityEvent) {
        $killer = $c->getDamager();
        //Your stuff goes here
    }
}


Omg. First you start with $c then you use $cause

whoops, I cant read over what I've typed properly on my phone.

thank you so much it works perfectly now