What are the potential risks of using outdated PHP code, such as not updating to MySQLi?

Using outdated PHP code, such as not updating to MySQLi, can pose security risks as older versions of PHP may have vulnerabilities that can be exploited by hackers. Additionally, outdated code may not be compatible with newer versions of PHP, leading to potential errors or issues with functionality. To mitigate these risks, it is important to regularly update and maintain your PHP code to ensure it is secure and up-to-date. 

// Before updating to MySQLi

$connection = mysql_connect("localhost", "username", "password");
mysql_select_db("database_name", $connection);

// After updating to MySQLi

$connection = mysqli_connect("localhost", "username", "password", "database_name");
if (!$connection) {
    die("Connection failed: " . mysqli_connect_error());
}

Keywords

outdated PHP code MySQLi security vulnerabilities deprecated functions data breaches

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