What is the recommended approach for formatting and displaying dates in PHP when dealing with Unix timestamps?

When dealing with Unix timestamps in PHP, it is recommended to use the date() function to format and display dates in a human-readable format. This function allows you to specify the desired date format using placeholders like 'Y' for year, 'm' for month, 'd' for day, etc. By passing the Unix timestamp as the second argument to the date() function, you can easily convert it into a readable date format.

// Assuming $timestamp contains the Unix timestamp
$formatted_date = date('Y-m-d H:i:s', $timestamp);
echo $formatted_date;