What potential issues or errors could arise when implementing a pagination feature for displaying a specific number of images per page in PHP?

One potential issue that could arise when implementing a pagination feature for displaying a specific number of images per page in PHP is not properly calculating the total number of pages based on the total number of images and the number of images per page. This could result in incorrect pagination links being displayed or images not being displayed on the correct pages. To solve this issue, make sure to calculate the total number of pages by dividing the total number of images by the number of images per page and rounding up to the nearest whole number. This will ensure that the correct number of pagination links are displayed and that images are displayed on the correct pages.

// Calculate total number of pages
$totalImages = 100; // Total number of images
$imagesPerPage = 10; // Number of images per page
$totalPages = ceil($totalImages / $imagesPerPage);

// Display pagination links
for ($i = 1; $i <= $totalPages; $i++) {
    echo "<a href='gallery.php?page=$i'>$i</a> ";
}