Why Does `$stmt->get_result()` Throw 'Call to undefined method mysqli_stmt::get_result()'?

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Exploring "Call to undefined method mysqli_stmt::get_result()" Error

In this code snippet, an attempt to retrieve the result of a prepared statement via $stmt->get_result() results in the error "Call to undefined method mysqli_stmt::get_result()". This error often occurs when dealing with mysqli-based database operations.

To resolve this issue, it's essential to ensure that the mysqlnd driver is installed and loaded on the server. The mysqlnd driver is a recommended extension for PHP's mysqli bindings. It enhances performance and provides additional features, including support for prepared statements.

To install the mysqlnd driver on Debian or Ubuntu systems:

sudo apt-get install php7.2-mysqlnd

For other Linux distributions, follow the official installation instructions for your specific distribution.

Once the mysqlnd driver is installed, it should be automatically loaded by PHP. However, if it's not, you can manually load it using the following line in your php.ini file:

extension=mysqli.dll

After installing and loading the mysqlnd driver, rerun your PHP script. The $stmt->get_result() method should now be recognized and the error will be resolved.

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