How can PHP developers ensure that database errors do not disrupt the functionality of their website or application?

Database errors can disrupt the functionality of a website or application if not handled properly. PHP developers can ensure that database errors do not disrupt the functionality by implementing error handling mechanisms, such as try-catch blocks, to catch and handle any database errors that may occur. By gracefully handling these errors, developers can prevent them from crashing the website or application. 

try {
    // Connect to the database
    $pdo = new PDO("mysql:host=localhost;dbname=mydatabase", "username", "password");
    
    // Set PDO to throw exceptions on error
    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    
    // Perform database operations
    // ...
} catch (PDOException $e) {
    // Handle the database error
    echo "Database Error: " . $e->getMessage();
}

Keywords

try-catch PDO error handling exception database connection

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