PHP PDO Connection and query eample

pdo.php

<?php

$host = 'localhost';
$database   = 'database';
$user = 'login';
$pass = 'password';
$charset = 'utf8';

$dsn = "mysql:host=$host;dbname=$database;charset=$charset";
$options = [
    PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
    PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
    PDO::ATTR_EMULATE_PREPARES   => false,
];
try {
     $pdo = new PDO($dsn, $user, $pass, $options);
} catch (\PDOException $e) {
     //throw new \PDOException($e->getMessage(), (int)$e->getCode());
}


$data = $pdo->query("SELECT id FROM stat where DATE(dt) = CURDATE()")->fetchAll(PDO::FETCH_ASSOC);

if(count($data) <= 0) {
	$pst = $pdo->prepare("insert into stat(place, ip, dt) values(:place, :ip, :dt)");
	$pst->execute([
		':place' => 'domain.com',
		':ip' => '127.0.0.1',
		':dt' => date('Y-m-d H:i:s'),
	]);
}