Are there any security concerns to be aware of when implementing automatic record deletion in PHP?

When implementing automatic record deletion in PHP, one security concern to be aware of is the risk of SQL injection attacks. To prevent this, it is important to sanitize user input before using it in SQL queries. One way to do this is by using prepared statements with parameterized queries.

// Establish a database connection
$pdo = new PDO("mysql:host=localhost;dbname=mydatabase", "username", "password");

// Sanitize user input
$id = filter_input(INPUT_POST, 'id', FILTER_SANITIZE_NUMBER_INT);

// Prepare a SQL statement with a parameterized query
$stmt = $pdo->prepare("DELETE FROM mytable WHERE id = :id");
$stmt->bindParam(':id', $id, PDO::PARAM_INT);

// Execute the statement
$stmt->execute();