pocketmine\Player::hasPermission PHP Method

    public function hasPermission($name) : bool
    {
        if ($this->perm == null) {
            return false;
        } else {
            return $this->perm->hasPermission($name);
        }
    }

 public function onRun(PlayerEnt $entity, Player $player, array $args)
 {
     if (!isset($args[1])) {
         return false;
     }
     $bank = isset($args[2]) and strtolower($args[2]) === "-bank";
     if ($bank and !$player->hasPermission("xecon.cmd.pay.bank")) {
         return "You don't have permission to pay bank money to other players.";
     } elseif (!$bank and !$player->hasPermission("xecon.cmd.pay.cash")) {
         return "You don't have permission to pay cash to other players.";
     }
     $toEnt = $this->getPlugin()->getPlayerEnt($args[0]);
     if (!$toEnt instanceof PlayerEnt) {
         return "Player {$args['0']} is not registered in the database!";
     }
     $to = $toEnt->getAccount($name = $bank ? PlayerEnt::ACCOUNT_BANK : PlayerEnt::ACCOUNT_CASH);
     $from = $entity->getAccount($name);
     $amount = floatval($args[1]);
     if ($amount <= 0) {
         return "Amount must be larger than zero!";
     }
     if (!$from->canPay($amount)) {
         return "You cannot pay \${$amount} from your {$from} account.";
     }
     if (!$to->canReceive($amount)) {
         return "{$args['0']}'s {$to} account cannot receive \${$amount}.";
     }
     $from->pay($to, $amount, implode(" ", array_slice($args, 2 + ($bank ? 1 : 0))));
     return "Transaction completed: \${$amount} has been paid to {$args['1']}'s {$to} account from your {$from} account.";
 }