What resources or documentation should be consulted when encountering errors with mysqli functions in PHP?

When encountering errors with mysqli functions in PHP, it is important to consult the official PHP documentation for mysqli functions. Additionally, checking the error messages provided by PHP can give insight into the specific issue at hand. Online forums and communities like Stack Overflow can also be helpful resources for troubleshooting mysqli errors. 

$conn = mysqli_connect($servername, $username, $password, $dbname);

if (!$conn) {
    die("Connection failed: " . mysqli_connect_error());
}

Keywords

mysqli functions PHP documentation error handling troubleshooting debugging

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