<?php
require_once('jsonRPCClient.php');
$b = new jsonRPCClient('http://KJTetc:MyRpcpass@localhost:8332/');

define('MIN_BET', 0.01);
define('MAX_BET', 6);
define('ADDRESS', '1dice8EMZmqKvrGE4Qc9bUFf9PX3xaYDp');

$bet = MIN_BET;
$total_fees = 0;
$count = 0;
$count_won = 0;

while (($bet <= MAX_BET) && ($count_won < 100))
{
        $count++;

        $balance_a = $b->getbalance('*', 0);
        if (!isset($starting_balance)) $starting_balance = $balance_a;
        $b->sendtoaddress(ADDRESS, (float) $bet);
        $balance_b = $b->getbalance('*', 0);

        $fee = $balance_a - $balance_b - $bet;
        $total_fees += $fee;
        $total_fees = number_format($total_fees,8,'.','')+0;

        echo 'Game #'.$count."\n";
        echo 'Balance: ' . $balance_a."       ";
        echo 'Bet: '. $bet."       ";
        echo 'Fee: '. (number_format($fee, 8, '.', '') +0) . "       ";
        echo 'Total Fees: '. $total_fees. "\n";
        echo 'Balance: ' . $balance_b . "       ".'Waiting';

        $balance_c = 0;

        while ($balance_b >= $balance_c)
        {
	        sleep(4);
		$balance_c = $b -> getbalance('*', 0);
		echo '.';
        }
		
        echo "\nBalance: $balance_c       ";

        $diff = $balance_c - $balance_b;

        if ($diff > $bet)
        {
                $bet = MIN_BET;
                $count_won++;
                echo "Win! ($count_won out of $count)\n";
        }
        else
        {
                $bet *= 2;
                echo 'Lose!'."\n";
        }

        echo "\n";
}

echo 'Starting Balance: '.$starting_balance."\n";
echo 'Ending Balance  : '. $balance_c."\n";
echo 'Total Fees: '. $total_fees."\n";
$amt_won = $balance_c - $starting_balance;
echo 'Net Profit: '. (number_format($amt_won,8,'.','') + 0). "\n\n";

Warning: fopen(http://...@localhost:8332/): failed to open stream: HTTP request failed! HTTP/1.1 500 Internal Server Error in C:\xampp\htdocs\jsonRPCClient.php on line 132

Fatal error: Uncaught exception 'Exception' with message 'Unable to connect to http://KJTetc:*****@localhost:8332/' in C:\xampp\htdocs\jsonRPCClient.php:140 Stack trace: #0 C:\xampp\htdocs\bot2.php(20): jsonRPCClient->__call('sendtoaddress', Array) #1 C:\xampp\htdocs\bot2.php(20): jsonRPCClient->sendtoaddress('1dice8EMZmqKvrG...', 0.01) #2 {main} thrown in C:\xampp\htdocs\jsonRPCClient.php on line 140