What are the potential security risks of including a resource using url_fopen_wrapper in PHP?

Using the url_fopen_wrapper in PHP can pose security risks such as allowing remote code execution, exposing sensitive data, and opening the application to potential attacks. To mitigate these risks, it is recommended to disable the url_fopen_wrapper in the PHP configuration and use more secure methods for including external resources, such as cURL or file_get_contents with proper input validation.

// Disable the url_fopen_wrapper in php.ini configuration file
// Set allow_url_fopen = Off

// Example of using cURL to fetch external content securely
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'https://example.com/data.json');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$output = curl_exec($ch);
curl_close($ch);

// Process the fetched data
$data = json_decode($output, true);