Are there any security risks associated with relying solely on magic_quotes for input sanitization in PHP?

Relying solely on magic_quotes for input sanitization in PHP is not recommended as it is deprecated as of PHP 5.3.0 and removed in PHP 5.4.0. This feature is not a reliable method for preventing SQL injection or other security vulnerabilities. It is better to use functions like mysqli_real_escape_string or prepared statements to properly sanitize input.

// Using mysqli_real_escape_string for input sanitization
$input = $_POST['input'];
$clean_input = mysqli_real_escape_string($connection, $input);