<?PHP
define ( "HOST" , "127.0.0.1" ); // server MySQL
define ( "USER" , "root" ); // user MySQL
define ( "PASS" , "" ); // password MySQL
define ( "DB" , "test" ); // dataBase MySQL
// Get the id. www.test.com/?category=21
$id = $_GET [ 'category' ];
$mysqli = mysqli_init (); // create a connection object
@ $mysqli -> real_connect ( HOST , USER , PASS , DB ); // connect
if ( mysqli_connect_errno () )
{
printf ( "Connect failed: %s\n" , mysqli_connect_error ());
exit();
}
$sql = "SELECT name, age FROM users WHERE categ = ?" ;
$users = $mysqli -> prepare ( $sql );
$users -> bind_param ( "s" , $id );
$users -> execute ();
$users -> store_result ();
if ( $users -> num_rows () > 0 )
{
$users -> bind_result ( $nameUser , $ageUser );
while ( $users -> fetch () )
{
printf ( "User name: %s, Age: %s" , $nameUser , $ageUser );
}
printf ( "Total users: %s" , $users -> num_rows ());
}
else
{
printf ( "Zero users found." );
}
$users -> free_result ();
$users -> close ();
$mysqli -> close ();
?>
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