What potential issues or pitfalls should be considered when creating a PHP image gallery with automatic image navigation?

One potential issue to consider when creating a PHP image gallery with automatic image navigation is ensuring that the navigation is smooth and does not cause any performance issues. To solve this, you can preload the next image in the gallery to reduce loading times and provide a seamless browsing experience for users. 

// Preload the next image in the gallery
$nextImage = $images[$currentIndex + 1];
echo '<img src="' . $nextImage . '" style="display: none;" />';

Keywords

PHP image gallery automatic navigation file handling memory management

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