What potential pitfalls should be considered when using complex SQL queries in PHP for data sorting?

One potential pitfall when using complex SQL queries in PHP for data sorting is the risk of SQL injection attacks if user input is not properly sanitized. To prevent this, always use prepared statements or parameterized queries to securely pass user input to the database. 

// Example of using prepared statements to prevent SQL injection

// Assuming $db is a PDO database connection object
$stmt = $db->prepare("SELECT * FROM table WHERE column = :input");
$stmt->bindParam(':input', $userInput, PDO::PARAM_STR);
$stmt->execute();
$results = $stmt->fetchAll();

Keywords

SQL injection performance data integrity error handling security

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