PDO IN() Array Statement AND a placeholder

Question

I found this code on SO, which is great for using PDO and the IN() statement together.

$values = explode(\',\', $values) ; # 1,4,7

$placeholders = rtrim(str         


        

Answer 1

Placeholders version if you need it

$values = [1, 4, 7, 8];
$placeholders =  preg_filter('/^/', ':prefix_', array_keys($values)));
$query = 'SELECT * FROM table WHERE id IN ( '. implode(', ', $placeholders) . ')';

$stmt = $db->prepare($query);

if (count($values) > 0) {
    foreach ($values as $key => $current_value) {
        $stmt->bindValue($placeholders[$key] , $current_value, PDO::PARAM_STR);
    }
}

$stmt->execute();
$result = $stmt->fetchAll(PDO::FETCH_ASSOC);