Mysql error handling

Mysql error handling

MySQL error handling in PHP involves detecting and handling errors that occur while interacting with a MySQL database using PHP code.

When executing MySQL queries in PHP, errors may occur due to various reasons such as syntax errors, database connectivity issues, or data validation errors. To handle these errors, PHP provides several functions that allow developers to detect and handle errors in a structured and organized manner.

One such function is the mysqli_connect_error() function, which returns an error message if the connection to the MySQL database fails. Another function is mysqli_errno(), which returns the error code associated with the last MySQL operation.

To handle MySQL errors in PHP, developers can use try-catch blocks to catch exceptions thrown by MySQL functions. They can also use the mysqli_error() function to retrieve the error message associated with the last MySQL operation and display it to the user or log it for debugging purposes. It is important to handle MySQL errors properly in PHP to prevent potential security vulnerabilities and ensure the proper functioning of the application.

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