How can the use of error handling in PHP, such as displaying SQL errors and PHP notices, help in debugging and improving code quality?

By implementing error handling in PHP, such as displaying SQL errors and PHP notices, developers can easily identify and address issues within their code. This helps in debugging by providing specific error messages that pinpoint the source of the problem. Additionally, error handling can improve code quality by ensuring that potential errors are caught and addressed before they impact the functionality of the application. 

// Enable error reporting and display all errors
error_reporting(E_ALL);
ini_set('display_errors', 1);

// Connect to the database and display SQL errors
$mysqli = new mysqli("localhost", "username", "password", "database");
if ($mysqli->connect_error) {
    die("Connection failed: " . $mysqli->connect_error);
}

// Display PHP notices and warnings
ini_set('display_errors', 1);

Keywords

error handling PHP SQL errors debugging code quality

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