pocketmine\level\Level::addParticle PHP Method

    public function addParticle(Particle $particle, array $players = null)
    {
        $pk = $particle->encode();
        if ($players === null) {
            if ($pk !== null) {
                if (!is_array($pk)) {
                    $this->addChunkPacket($particle->x >> 4, $particle->z >> 4, $pk);
                } else {
                    foreach ($pk as $e) {
                        $this->addChunkPacket($particle->x >> 4, $particle->z >> 4, $e);
                    }
                }
            }
        } else {
            if ($pk !== null) {
                if (!is_array($pk)) {
                    Server::broadcastPacket($players, $pk);
                } else {
                    $this->server->batchPackets($players, $pk, false);
                }
            }
        }
    }

 public static function addParticles(Level $level, $name, Position $pos1, $count = 5)
 {
     $xd = (double) 280;
     $yd = (double) 260;
     $zd = (double) 280;
     $particle1 = self::getParticle($name, $pos1, $xd, $yd, $zd, 0);
     $random = new Random((int) (\microtime(\true) * 1000) + \mt_rand());
     for ($i = 0; $i < $count; ++$i) {
         $particle1->setComponents($pos1->x + $random->nextSignedFloat() * $xd, $pos1->y + $random->nextSignedFloat() * $yd, $pos1->z + $random->nextSignedFloat() * $zd);
         $level->addParticle($particle1);
     }
 }