<?php
require_once('header.php');
function printResultSet($result_set) {
echo "Количество записей:".$result_set->num_rows."</br>";
while (($row = $result_set->fetch_assoc()) != false)
{
print_r($row);
echo"<br/>";
}
echo "---------------<br/>";
}
$a = intval($_GET['Id_city']);
$mysqli= new mysqli ("localhost", "root", "", "vetbase");
$mysqli->query("SETNAMES 'utf-8'");
$result_set = $mysqli->query("SELECT `City`, `Clinic_name`, `Clinic_address`, `Clinic_contacts` FROM `allclinics` WHERE id = {$a} ");

$mysqli->close();
?>
<form class="content" method="post">
<?php printResultSet($result_set); ?>
</form>;