Online PHP editor | output for vc8Cq

<?php abstract class GalleryHelper { public static function getGalleryImages($type, $selectedFolder): array { $galleryImages = []; $folderToEquipmentImages = "images/equipmentmanager/$type/"; if($type === 'packages'){ $folderToEquipmentImages .= 'galleries/'; } $imgsPath = JPATH_SITE . '/' . $folderToEquipmentImages . $selectedFolder; if (is_dir($imgsPath)) { $allowedExtensions = ['jpg', 'jpeg', 'png', 'gif']; // see https://www.regular-expressions.info/modifiers.html and here is a sub-demonstration: https://3v4l.org/fKXcL $filter = "\.(?:(?i)" . implode('|', $allowedExtensions) . ")$"; // Prepend the folder path to the filenames (enjoying PHP7.4's arrow function syntax) $galleryImages = array_map( fn($img) => \JUri::base() . $folderToEquipmentImages . $selectedFolder . '/' . $img, Folder::files($imgsPath, $filter, false, false, $exclude = ['index.html']) ); } return $galleryImages; } }