What best practices should be followed when iterating through query results in PHP to ensure accurate data display?

When iterating through query results in PHP, it is important to use appropriate looping constructs like `while` or `foreach` to ensure that all rows are processed accurately. Additionally, it is crucial to properly handle any potential errors that may occur during the iteration process to prevent data inconsistencies or display issues. Lastly, always sanitize and validate the data retrieved from the database to avoid security vulnerabilities. 

// Assume $queryResult is the variable holding the query results

if ($queryResult) {
    foreach ($queryResult as $row) {
        // Process each row of data here
        // Ensure to sanitize and validate data before displaying
    }
} else {
    // Handle query result errors here
}

Keywords

MySQLi fetch_assoc data validation error handling prepared statements

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