Are there any potential pitfalls in using array_rand to select a random image from the folder in the PHP script?

Using array_rand to select a random image from a folder in a PHP script can potentially lead to issues if the folder contains non-image files. To solve this, you can filter the files in the folder to only include image files before using array_rand to select a random image. This ensures that you are only selecting from valid image files. 

$folder = 'images/';
$files = array_filter(scandir($folder), function($file) {
    return in_array(pathinfo($file, PATHINFO_EXTENSION), ['jpg', 'jpeg', 'png', 'gif']);
});

$randomImage = $files[array_rand($files)];
echo "<img src='$folder$randomImage' alt='Random Image'>";

Keywords

array_rand random image folder PHP script potential pitfalls

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