What are the potential pitfalls of using the date() function to display images based on specific dates in PHP?

One potential pitfall of using the date() function to display images based on specific dates in PHP is that it may not account for time zone differences, leading to images being displayed at incorrect times. To solve this issue, it is recommended to use the DateTime class in PHP, which allows for specifying a time zone when creating a new DateTime object.

// Create a DateTime object with a specific time zone
$date = new DateTime('2022-01-01', new DateTimeZone('America/New_York'));
$currentDate = new DateTime('now', new DateTimeZone('America/New_York'));

// Compare dates and display image based on specific date
if ($date->format('Y-m-d') === $currentDate->format('Y-m-d')) {
    echo '<img src="image.jpg" alt="Image for specific date">';
} else {
    echo 'No image available for today.';
}