How can errors be effectively debugged when copying and rewriting database entries in PHP?

When copying and rewriting database entries in PHP, errors can be effectively debugged by using error handling techniques such as try-catch blocks, logging errors to a file, and checking for SQL query errors. By implementing these practices, you can easily identify and resolve any issues that may arise during the database operations. 

try {
    // Your database query to copy and rewrite entries goes here

    // Check for SQL query errors
    if (!$result) {
        throw new Exception("Error copying and rewriting database entries");
    }

    // Continue with the rest of your code
} catch (Exception $e) {
    // Log the error to a file
    error_log($e->getMessage(), 3, "error.log");
}

Keywords

PHP debugging database entries copying rewriting

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