Aonde que este codigo faz a contagem

Pessoal estou precisando descobrir aonde que este codigo abaixo faz a contagem, seguinte este codigo é de cadastro tipo manda os dados para o db e conta exemplo tenho 100 cadastro o proximo cadastro vai ser 101 quero SABER aonde que este codigo faz este contagem alguém poderia me informar seria grato

<?php

session_start();

include("vars.php");

include("headfoot.php");

mysql_connect($db_host, $db_user, $db_pwd);

mysql_select_db($db_name);

$my_ip_add = $_SERVER['REMOTE_ADDR'];

if ($_GET['ref']) {

if ($_SESSION['ref'] != $_GET['ref']) {

$_SESSION['ref'] = $_GET['ref'];

}

}

if ($_GET['show'] == 'terms') {

uheader();

$res = mysql_query("select content from html where type='terms'");

$terms = mysql_result($res, 0, "content");

echo($terms);

ufooter();

mysql_close;

exit;

} elseif ($_GET['show'] == 'privacy') {

uheader();

$res = mysql_query("select content from html where type='priva'");

$privacy_policy = mysql_result($res, 0, "content");

echo($privacy_policy);

ufooter();

mysql_close;

exit;

} else {

$result = mysql_query ("SELECT * FROM banned_emails");

$bsites = mysql_query ("SELECT * FROM banned_sites");

$bipadds = mysql_query ("SELECT * FROM banned_ipadds");

if (is_string($my_ip_add) && ereg('^([0-9]{1,3})\.([0-9]{1,3})\.' . '([0-9]{1,3})\.([0-9]{1,3})$', $my_ip_add, $sect)) {

if ($sect[1] <= 255 && $sect[2] <= 255 && $sect[3] <= 255 && $sect[4] <= 255) {

$reip = "$sect[1].$sect[2].$sect[3].$sect[4]";

$reipa = "$sect[1].$sect[2].$sect[3].*";

$reipb = "$sect[1].$sect[2].*.*";

$reipc = "$sect[1].*.*.*";

}

}

for ($i = 0; $i < mysql_num_rows($bipadds); $i++) {

$theculpid = mysql_result($bipadds, $i, "id");

$intval = mysql_result($bipadds, $i, "value");

if ($reip == $intval || $reipa == $intval || $reipb == $intval || $reipc == $intval) {

header("Location: /?gt=invip");

mysql_close;

exit;

}

}

$langs = array("English" => "English", "Arabic" => "Arabic", "Chinese" => "Chinese", "Czech" => "Czech", "Danish" => "Danish", "Dutch" => "Dutch", "Estonian" => "Estonian", "Finnish" => "Finnish", "French" => "French", "German" => "German", "Greek" => "Greek", "Hebrew" => "Hebrew", "Hungarian" => "Hungarian", "Icelandic" => "Icelandic", "Italian" => "Italian", "Japanese" => "Japanese", "Korean" => "Korean", "Latvian" => "Latvian", "Lithuanian" => "Lithuanian", "Norwegian" => "Norwegian", "Polish" => "Polish", "Portugues" => "Portugues", "Romanian" => "Romanian", "Russian" => "Russian", "Spanish" => "Spanish", "Swedish" => "Swedish", "Turkish" => "Turkish");

uheader();

echo("<script language=\"javascript1.2\" type=\"text/javascript\">\nfunction TestURL()\n{\n	var URL = document.nu.url.value;\n	if(URL == \"\" || URL == 'http://')	{\n alert(\"You must provide the URL before testing!\");\n document.nu.url.focus();\n return false;\n	}\n	var URL = 'urltest.php?url='+URL;\n	window.open(URL, '_blank' );\n	return false;\n}\n</script>\n");

echo("<div align=center class=\"big\"><font face=$fontface><b>Registro de novo membro</b></font></div>\n");

if ($_POST['form'] == 'sent') {

$emaila = trim($_POST['email1']);

$pay_to = trim($_POST['pay_to']);

$payout_address = trim($_POST['canpay']);

$name = trim($_POST['name']);

$passwd = trim($_POST['passwd']);

$sitename = trim($_POST['sitename']);

$url = trim($_POST['url']);

if (ereg(',', $emaila)) {

$recon = explode(',', $emaila);

$emaila = trim($recon[0]);

}

if (ereg(',', $payout_address)) {

$reconst = explode(',', $payout_address);

$payout_address = trim($reconst[0]);

}

$checkpass = 'true';

$error = '<div align=center><font face=$fontface color=red size=2><b>Por favor corrigir o seguinte:<br>';

if (ereg('%', $name) || ereg('<', $name) || ereg('>', $name)) {

$error = $error . 'O nome do seu site contém caracteres inadmissíveis<br>';

$checkpass = 'false';

} elseif ($name == "") {

$error = $error . 'VocÊ deve digitar seu nome<br>';

$checkpass = 'false';

}

$trimail = trim($emaila);

$res = mysql_query("select count(*) from user where email='$trimail'");

if (mysql_result($res, 0) != 0) {

$error = $error . 'Seu endereço de e-mail já está registrado<br>';

$checkpass = 'false';

} elseif (!ereg('@', $emaila) || !ereg('.', $emaila)) {

$error = $error . 'Seu endereço de e-mail não\corresponde<br>';

$checkpass = 'false';

} elseif ($email1 != $email2) {

$error = $error . 'Confirmação de email não confere!<br>';

$checkpass = 'false';

}

for ($i = 0; $i < mysql_num_rows($result); $i++) {

$banned = mysql_result($result, $i, "value");

$allow = true;

$temp = explode("@", $banned);

if ($temp[0] == "*") {

$temp2 = explode("@", $emaila);

if (trim(strtolower($temp2[1])) == trim(strtolower($temp[1]))) {

$allow = false;

$zban = $temp[1]; }

} else {

if (trim(strtolower($emaila)) == trim(strtolower($banned))) {

$allow = false;

$zban = $banned; }

}

if (!$allow) {

$error = $error . "O email: <b>$zban</b> foi banido do sistema!<br>";

$checkpass = 'false';

}

}

if ($payout_address == "") {

$payout_address = "None";

}

if ($passwd == "") {

$error = $error . 'Digite sua senha<br>';

$checkpass = 'false';

} elseif (strlen($passwd) < 6) {

$error = $error . 'Sua senha deve ter pelo menos 6 caracteres<br>';

$checkpass = 'false';

} elseif (ereg('%', $passwd) || ereg(' ', $passwd)) {

$error = $error . 'Sua senha contém caracteres inadmissíveis<br>';

$checkpass = 'false';

} elseif ($passwd != $_POST['passb']) {

$error = $error . 'As senhas não correspondem!<br>';

$checkpass = 'false';

}

if ($sitename == "") {

$error = $error . 'Digite o nome do seu Site<br>';

$checkpass = 'false';

} else if (ereg('%', $sitename) || ereg('<', $sitename) || ereg('>', $sitename)) {

$error = $error . 'O nome do seu site contém caracteres inadmissíveis<br>';

$checkpass = 'false';

}

if ($url == "") {

$error = $error . 'Informe a URL do seu Site<br>';

$checkpass = 'false';

} elseif (!ereg('http://', $url) || !ereg('.', $url)) {

$error = $error . 'A URL seu site contém caracteres inadmissíveis<br>';

$checkpass = 'false';

}

for ($i = 0; $i < mysql_num_rows($bsites); $i++) {

$bs = mysql_result($bsites, $i, "domain");

$site = strtolower($url);

$tsite = explode("/", $site);

$test2 = explode("?", $site);

$allowst = true;

if ($tsite[2] == $bs) {

$allowst = false;

$xban = $bs;

} elseif ($test2[0] == $bs) {

$allowst = false;

$xban = $bs;

}

if (!$allowst) {

$error = $error . "Este site: <b>$xban</b> é proibida URL ou domínio!<br>";

$checkpass = 'false';

	}

}

if ($termscheck != 1) {

$error = $error . 'Você deve ler e concordar com os nossos termos<br>';

$checkpass = 'false';

}

if ($checkpass != 'true') {

$error = $error . '</font></b></div>';

echo($error);

}

}

if ($checkpass != 'true') {

echo("<table border=0 cellpadding=5 cellspacing=0 width=100%><form action=$self_url" . "signup.php method=post name=nu><input type=hidden name=form value=sent>\n");

if (isset($ref) && is_numeric($ref)) {

echo("<input type=hidden name=ref value=$ref>");

} elseif ($_SESSION['ref'] && is_numeric($_SESSION['ref'])) {

echo("<input type=hidden name=ref value=" . $_SESSION['ref'] . ">");

} else {

$ref = 0;

}

echo("<tr><td width=50% align=right valign=top><font face=$fontface size=2>Nome:</td><td width=50% align=left valign=top><input value=\"$name\" type=text name=name size=20 maxlength=100 class=webforms></td></tr>\n");

echo("<tr><td align=right valign=top><font face=$fontface size=2>Email:</td><td align=left valign=top><input value=\"$email1\" type=text name=email1 size=20 maxlength=100 class=webforms></td></tr>\n");

echo("<tr><td align=right valign=top><font face=$fontface size=2>Confirme seu email:</td><td align=left valign=top><input value=\"$email2\" type=text name=email2 size=20 maxlength=100 class=webforms></td></tr>\n");

echo("<tr><td align=right valign=top><font face=$fontface size=2>Senha:</td><td align=left valign=top><input type=password name=passwd size=20 maxlength=20 class=webforms></td></tr>\n");

echo("<tr><td align=right valign=top><font face=$fontface size=2>Confirme sua senha:</td><td align=left valign=top><input type=password name=passb size=20 maxlength=20 class=webforms></td></tr>\n");

echo("<tr><td align=right valign=top><font face=$fontface size=2>Detalhes para pagamento:</td><td align=left valign=top><select name=pay_to class=webforms>");

while (list($m, $j) = each($payout_merchants)) {

echo("<option");

if ($m == $pay_to) {echo(" selected");}

echo(" value=$m>$j</option>");

}

echo("</select><input type=text name=canpay size=20 maxlength=150 class=webforms></td></tr>\n");

echo("<tr><td align=right valign=top><font face=$fontface size=2>Nome do seu Site:</td><td align=left valign=top><input value=\"$sitename\" type=text name=sitename size=20 maxlength=255 class=webforms></td></tr>\n");

echo("<tr><td align=right valign=top><font face=$fontface size=2>URL do seu Site:</td><td align=left valign=top><input value=\"");

if ($url == "") {

echo("http://");

}else {

echo("$url");

}

echo("\" type=text name=url size=20 maxlength=255 class=webforms></td></tr>\n");

echo("<tr><td></td><td align=left valign=top><A href=\"\" onclick=\"return TestURL();\"><b><font face=$fontface size=2>Clique aqui para testar sua URL</font></b></a></td></tr>");

echo("<tr><td align=right valign=top><font face=$fontface size=2>Idioma do seu Site:</td><td align=left valign=top><select name=lang class=webforms>");

while (list($k, $v) = each($langs)) {

echo("<option");

if ($k == $lang) {echo(" selected");}

echo(" value=$k>$v</option>");

}

echo("</select></td></tr>\n");

echo("<tr><td align=center valign=top colspan=2><p><label><font size=\"2\" face=\"$fontface\">Você chegou aqui através do membro: <b>");

if ($ref > 0) {

echo("$ref");

} else {

echo("Nenhum");

}

echo("</b><br><input type=\"radio\" name=\"allow_emails\" value=\"yes\"");

if ($allow_emails == 'yes' || $allow_emails == "") {

echo(" checked");

}

echo("> Habilitar a pessoa que me indicou a me enviar email<br>e receber emails dos membros através do sistema</font></label><br><font size=\"2\" face=\"$fontface\"><label><input type=\"radio\" name=\"allow_emails\" value=\"no\"");

if ($allow_emails == 'no') {

echo(" checked");

}

echo("> Por favor, mantenha meu email privado</label></font><br></p></td></tr>");

echo("<tr><td align=center valign=top colspan=2><input type=checkbox");

if ($termscheck == 1) {echo(" checked");}

echo(" name=termscheck value=1><font face=$fontface size=2> Eu aceito os <a href=$self_url"."signup.php?show=terms target=_blank><b><font face=$fontface size=2>Termos e Condições do $title</b></a></td></tr>\n");

echo("<tr><td align=center valign=top colspan=2>$signup_special_note</td></tr>\n");

echo("<tr><td align=center valign=top colspan=2><input type=submit value=\"Registrar\" class=\"formbutton\"></td></tr>\n");

echo("</form></table><p align=center><font size=2><b><a href=\"$self_url"."signup.php?show=privacy\" target=\"_blank\">Política de privacidade</a></b></font></p>\n");

} else {

srand((double)microtime()*1000000);

$ac = rand(10000, 1000000);

$name = trim($name);

$email = trim($email1);

$sitename = trim($sitename);

$name = addslashes($name);

$sitename = addslashes($sitename);

$res = mysql_query("select value from adminprops where field='inibon'");

$inibon = mysql_result($res, 0, "value");

$res = mysql_query("select value from adminprops where field='insbon'");

$insbon = mysql_result($res, 0, "value");

if ($insbon >= 1) {

$resq = mysql_query("select value from adminprops where field='sharec'");

$sharec = mysql_result($resq, 0, "value");

$insbonus = $insbon * $sharec;

} else {

$insbonus = 0;

}

if ((!isset($ref) || !is_numeric($ref)) && $allow_rand_refs == 'yes') {

$get_rand_ref = mysql_query("SELECT id FROM user WHERE acctype>=2 order by rand() limit 1");

if (mysql_num_rows($get_rand_ref) == 0) {

$ref = 0;

} else {

$ref = mysql_result($get_rand_ref, 0);

}

}

$date = date("Y-m-d H:i:s");

$adate = date("Y-m-d");

if ($allow_emails == "") {

$allow_emails = 'yes';

}

if ($activation_pages == 0) {

$ins_crds = $inibon;

} else {

$ins_crds = 0;

}

$new_ins = "insert into user (name, email, passwd, pay_to, payout_address, ref, acctype, credits, lifetime_credits, invested, joindate, minmax, lastaccess, allow_contact, status, ip_address, ac) values ('$name', '$email', '$passwd', $pay_to, '$payout_address', $ref, 1, $ins_crds, $ins_crds, $insbonus, '$date', 0, '$date', '$allow_emails', 'Un-verified', '$my_ip_add', $ac)";

$res = mysql_query($new_ins) or die (mysql_error());

$usrid = mysql_insert_id();

$res = mysql_query("insert into site (usrid, name, url, lang, state, credits) values ($usrid, '$sitename', '$url', '$lang', 'Waiting', 0)");

if ($ref >= 1) {$doias = mysql_query("insert into member_refs values ($usrid, $ref)"); }

if ($insbonus > 0) {

if ($insbon > 1) {

$ss = "s";

}

$res = mysql_query("insert into investment_history (usrid, amount, descr, is_from, processor, adate) values ($usrid, $insbonus, 'Member $upgrade_title$ss : $$sharec per $upgrade_title$ss', 'Signup Bonus', '$title Admin', '$adate')");

}

$surpres = mysql_query("update adminprops set value=value-$ins_crds where field='surplu'");

$surpres = mysql_query("update adminprops set value=value-$insbonus where field='csurpl'");

$res = mysql_query("select value from admin where field='email'");

$admail = mysql_result($res, 0, "value");

mail($email, "Obrigado por se registrar em $title!", "$name, Obrigado pela inscrição!\n\nSeu $title login é: $email\nSua $title Senha é: $passwd\n\nPara ativar a sua conta, você tem que abrir o seguinte link:\n$self_url" . "activate.php?ac=$ac&i=$usrid\nClique nele ou copie e cole em seu navegador.\n\nSeu refferal link é:\nhttp://$siteurl/?ref=$usrid\nVocê vai ganhar $ref_earnings Crédito cada vez que seu referido vizualizar um site!\n\n$title Admin\nhttp://$siteurl/\n$admail", $email_headers);
echo("<p align=center><font face=$fontface size=4><b>Obrigado por se registar!</b></p>" . "<p align=center><font face=$fontface size=4><b>Para ativar sua conta copie e cole o link abaixo em seu navegador</b></p>" . "<p align=center><font face=$fontface size=4><b>\n$self_url" . "activate.php?ac=$ac&i=$usrid\n</b></p>");

}

ufooter();

}

mysql_close;

exit;

?>