What are the legal considerations when accessing and displaying publicly available information from external websites in PHP applications?

When accessing and displaying publicly available information from external websites in PHP applications, it is important to consider copyright laws, terms of service agreements, and potential data privacy issues. Make sure to only access and display information that is allowed by the website's terms of service and ensure that you are not infringing on any copyrights.

// Example code snippet for accessing and displaying publicly available information from an external website
$url = 'https://www.example.com/data';
$data = file_get_contents($url);

if($data){
  echo $data;
} else {
  echo 'Error accessing data from external website';
}