Bot Leilao

<?php

define('LANCEPHP', 1);
include("../initdata.php");

$handle = fopen("autolance_pid.txt", "w+");
fwrite($handle, getmypid());
fclose($handle);

set_time_limit(0);

$inicioScript = unixTime();

if( $inicioScript > mktime(12, 0, 0, date("m"), date("d"), date("Y")) ) {
    $finalScript = mktime(0, 0, 0, date("m"), date("d") + 1, date("Y"));
}
else {
    $finalScript = mktime(12, 0, 0, date("m"), date("d"), date("Y"));
}


$auctionTime = 0;
$leilao      = false;

while( $leilao == false ) {
    if( time() >= $inicioScript && time() <= $finalScript ) {
        $inicioLoop = microtime(true);

        /* fazer os esquemas de add o lance */

        $horaAgora = unixTime();
        $query     = mysql_query("SELECT * FROM leiloes WHERE tempo != 0 AND status = 1 AND datainicio < " . $horaAgora . " ORDER BY idleiloes") or die(mysql_error());

        $tempoBot = rand(2, 9);

        if( mysql_num_rows($query) > 0 ) {
            while( $obj = mysql_fetch_array($query) ) {

                $tempoAgora = $obj['tempo'];

                if( $tempoAgora <= $tempoBot ) {
                    $queryAuto = mysql_query("SELECT * FROM autolance WHERE leiloes_idleiloes = " . $obj['idleiloes'] . " ORDER BY RAND()");

                    if( mysql_num_rows($queryAuto) > 0 ) {
                        while( $autolance = mysql_fetch_array($queryAuto) ) {
                            if( $obj['ultimolance'] == $autolance['usuarios_idusuarios'] ) {
                                continue;
                            }
                            else {
                                $valorFinal = $obj['valorinicial'] + 0.01;

                                mysql_query("UPDATE leiloes SET valorinicial = " . $valorFinal . ", ultimolance = " . $autolance['usuarios_idusuarios'] . " WHERE idleiloes = " . $obj['idleiloes']) or die(mysql_error());

                                $horaAgora = unixTime();

                                mysql_query("UPDATE leiloes SET tempo = duracao WHERE idleiloes = " . $obj['idleiloes']) or die(mysql_error());
                                mysql_query("UPDATE usuarios SET lances = lances -1 WHERE idusuarios = " . $autolance['usuarios_idusuarios']) or die(mysql_error());
                                mysql_query("INSERT INTO lances (usuarios_idusuarios, leiloes_idleiloes, valorleilao, horario) VALUES ('" . $autolance['usuarios_idusuarios'] . "', '" . $obj['idleiloes'] . "', '" . $valorFinal . "', '" . $horaAgora . "')");
                                break;
                            }
                        }
                    }
                }
            }
        }

        $finalLoop      = microtime(true);
        $tempoConsumido = (1000000 - (($finalLoop - $inicioLoop) * 1000000));

        if( $tempoConsumido > 0 ) {
            usleep($tempoConsumido);
        }

        $auctionTime++;
        if( $auctionTime >= 43200 ) {
            $leilao = true;
        }
    }
    else {
        $leilao = true;
    }
}
?>