What are some best practices for structuring the update query in PHP when implementing an edit function?

When implementing an edit function in PHP, it is important to structure the update query properly to ensure that the correct data is being updated in the database. One best practice is to use prepared statements to prevent SQL injection attacks. Additionally, make sure to include a WHERE clause in the query to specify which record to update based on a unique identifier, such as an ID. 

// Assuming $conn is the database connection object and $id is the unique identifier for the record to be updated

// Prepare the update query with a placeholder for the data to be updated
$stmt = $conn->prepare("UPDATE table_name SET column1 = :value1, column2 = :value2 WHERE id = :id");

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

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

Keywords

SQL UPDATE query PHP MySQLi data validation

Related Questions