Test date SQL

<?php
$pdo = new PDO('mysql:host=localhost;dbname=exemple_db','root','');

$sql = 'SELECT date FROM events WHERE id=1';
$event1_query = $pdo->query($sql);
$event1_data = $event1_query->fetch();
$event1_date = $event1_data['date'];

$sql = 'SELECT date FROM events WHERE id=2';
$event2_query = $pdo->query($sql);
$event2_data = $event2_query->fetch();
$event2_date = $event2_data['date'];

if($event1_date == $event2_date) {

}
?>