pocketmine\block\Fire::onEntityCollide PHP Method

    public function onEntityCollide(Entity $entity)
    {
        $ProtectL = 0;
        if (!$entity->hasEffect(Effect::FIRE_RESISTANCE)) {
            $ev = new EntityDamageByBlockEvent($this, $entity, EntityDamageEvent::CAUSE_FIRE, 1);
            if ($entity->attack($ev->getFinalDamage(), $ev) === true) {
                $ev->useArmors();
            }
            $ProtectL = $ev->getFireProtectL();
        }
        $ev = new EntityCombustByBlockEvent($this, $entity, 8, $ProtectL);
        if ($entity instanceof Arrow) {
            $ev->setCancelled();
        }
        Server::getInstance()->getPluginManager()->callEvent($ev);
        if (!$ev->isCancelled()) {
            $entity->setOnFire($ev->getDuration());
        }
    }