How can PHP developers improve error handling and user feedback when dealing with connection failures to external databases like MS-SQL?

When dealing with connection failures to external databases like MS-SQL, PHP developers can improve error handling and user feedback by implementing try-catch blocks to catch exceptions and display meaningful error messages to users. Additionally, developers can use the mysqli_connect_error() function to retrieve detailed error messages from the database connection. 

<?php
$serverName = "your_server_name";
$connectionOptions = array(
    "Database" => "your_database_name",
    "Uid" => "your_username",
    "PWD" => "your_password"
);

try {
    $conn = sqlsrv_connect($serverName, $connectionOptions);
    if (!$conn) {
        throw new Exception("Connection failed: " . sqlsrv_errors());
    }
} catch (Exception $e) {
    echo "Error: " . $e->getMessage();
}
?>

Keywords

PHP error handling user feedback connection failures MS-SQL

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