PHP $_FILES Normalization (Single & Multiple)

php-files-normalization.php

<?php
function normalizeFiles()
{
	$files = [];
	$multiple = false;

	foreach($_FILES as $name => $fileArray) {
		if(is_array($fileArray["name"])) {
			$multiple = true;

			foreach($fileArray as $attrib => $list) {
				foreach($list as $index => $value) {
					$files[$name][$index][$attrib] = $value;
				}
			}
		} else {
			$files[$name][] = $fileArray;
		}
	}

	if(!$multiple && count($files) === 1) {
		$files = array_map("current", $files);
	}

	return $files;
}