datos_clientes.php

<?php 
error_reporting(0);
//$host="localhost";
//$uname="root";
//$pass="";
//$database = "javier_diaz";
$host="mysql.hostinger.mx";
$user="u826800690_root";
$password="2011301308";
$dbname="u826800690_senti";
$connection=mysql_connect($host,$uname,$pass,$database); 
echo mysql_error();
//or die("Database Connection Failed");
$selectdb=mysql_select_db($database) or 
die("Database could not be selected"); 
$result=mysql_select_db($database)
or die("database cannot be selected <br>");
// Fetch Record from Database
$output = "";
$table = ""; // Enter Your Table Name 
$sql = mysql_query("select nombre, email , pertenece_a  from Usuarios");
$columns_total = mysql_num_fields($sql);
// Get The Field Name
for ($i = 0; $i < $columns_total; $i++) {
$heading = mysql_field_name($sql, $i);
$output .= '"'.$heading.'",';
}
$output .="\n";
// Get Records from the table
while ($row = mysql_fetch_array($sql)) {
for ($i = 0; $i < $columns_total; $i++) {
$output .='"'.$row["$i"].'",';
}
$output .="\n";
}
// Download the file
$filename = "datos_clientes.csv";
header('Content-type: application/csv');
header('Content-Disposition: attachment; filename='.$filename);
echo $output;
exit;
?>

?>