How can PHP developers effectively handle database connection errors and ensure proper error handling in their code?

To effectively handle database connection errors in PHP, developers should use try-catch blocks to catch exceptions thrown by database connection attempts. This allows for proper error handling and provides a way to gracefully handle errors without crashing the application. Additionally, developers can implement logging mechanisms to track and troubleshoot database connection errors. 

try {
    $pdo = new PDO("mysql:host=localhost;dbname=mydatabase", "username", "password");
    // Perform database operations here
} catch (PDOException $e) {
    error_log("Database connection error: " . $e->getMessage());
    // Handle the error gracefully, such as displaying a friendly error message to the user
}

Keywords

PHP database connection error handling try-catch PDO

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