What are the potential consequences of using deprecated methods in PHP scripts?

Using deprecated methods in PHP scripts can lead to compatibility issues with newer versions of PHP and may result in errors or unexpected behavior in your application. It is important to update your code to use the recommended alternatives to deprecated methods to ensure the long-term stability and functionality of your application. 

// Before
mysql_connect("localhost", "username", "password");

// After
$mysqli = new mysqli("localhost", "username", "password");
if ($mysqli->connect_error) {
    die("Connection failed: " . $mysqli->connect_error);
}

Keywords

deprecated methods PHP scripts consequences error types libraries

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