// select a particular user by id
$id = 1 ;
$stmt = $pdo->prepare("SELECT * FROM users WHERE id=?");
$stmt->execute([$id]);
$user = $stmt->fetch();
<?php
$sql = 'SELECT name, color, calories FROM fruit ORDER BY name';
foreach ($conn->query($sql) as $row) {
print $row['name'] . "\t";
print $row['color'] . "\t";
print $row['calories'] . "\n";
}
?>
$stmt = $pdo->prepare("SELECT * FROM table WHERE id = ?");
$stmt->execute([$id]);
$result = $stmt->fetchAll();