php foreach正序倒序输出示例代码

// 正序
foreach($files as $file_num => $file) {
	if(is_file($directory.$file)){
		//$file = iconv("gb2312","UTF-8",$file); //或 iconv("gb2312","UTF-8",$value);
		$date = substr($file,0,9);
		echo "<li class="world-cup-".$date."">";
		echo "<a href=#
// 正序
foreach($files