<?php
$dbh = &$pdo;
$LoggedInUser = 'no@mail.com'; //$_SESSION['user'];
$stmt = $dbh->prepare("SELECT * FROM Logs WHERE user_email = ? ORDER BY log_id ASC");
$stmt->execute([$LoggedInUser]);
if ($stmt->rowCount() == 0) {
echo 'Log history are empty.';
} else {
// Data we collected from the registered user
}