Untitled

 <html>
<body>


<?php


$con = mysql_connect("localhost","login","senha");
date_default_timezone_set('America/sao_paulo');
mysql_select_db("b7_16220257_info", $con);

$sql="delete t1
from tabela t1
inner join (
   select nome, count(nome)
   from tabela
   group by nome
   having (count(nome) >= 2)
) as x
on x.nome = t1.nome
where date_add(t1.hora,interval 5 minute) > now()";
if (!mysql_query($sql,$con))
  {
  die('Error: ' . mysql_error());
  }
echo "excluidos repetidos";

if (!$con)
  {
  die('Could not connect: ' . mysql_error());
  }
$timezone =    date('y-m-d H:i:s');
echo $timezone;
$nomee = $_REQUEST['nome'];

$sql="INSERT INTO tabela (senha,autorizado,nome,Hora)
VALUES
(0,0,'$nomee','$timezone')";

if (!mysql_query($sql,$con))
  {
  die('Error: ' . mysql_error());
  }
echo "1 record added";


mysql_close($con)
?>
</body>
</html>