What are the potential pitfalls of inserting data into multiple columns in a table using PHP?

When inserting data into multiple columns in a table using PHP, one potential pitfall is the risk of SQL injection if the data is not properly sanitized. To prevent this, it is important to use prepared statements with parameterized queries to securely insert data into the database. 

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

// Prepare a SQL query with placeholders for the values
$stmt = $pdo->prepare("INSERT INTO mytable (column1, column2, column3) VALUES (:value1, :value2, :value3)");

// Bind the values to the placeholders
$stmt->bindParam(':value1', $value1);
$stmt->bindParam(':value2', $value2);
$stmt->bindParam(':value3', $value3);

// Set the values
$value1 = "data1";
$value2 = "data2";
$value3 = "data3";

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

Keywords

SQL injection data validation prepared statements database transactions error handling

Related Questions