php foreach正序倒序输出示例

<?php
// 正序 
foreach($files as $file_num => $file) { 
    if(is_file($directory.$file)){ 
        //$file = iconv("gb2312","UTF-8",$file);  //或者 iconv("gb2312","UTF-8",$value); 
        $date = substr($file,0,9); 
        echo '<li class="world-cup-'.$date.'">'; 
        echo '<a href="'.$directory.$file.'" rel="worldcup" title="巴西世界杯赛事'.$date.'">'; 
        echo '<img src="'.$directory.$file.'" alt="">'; 
        echo '</a>'; 
        echo '</li>'; 
    } 
} 
 
// 倒序 
foreach(array_reverse($files) as $file_num => $file) { 
    if(is_file($directory.$file)){ 
        //$file = iconv("gb2312","UTF-8",$file);  //或者 iconv("gb2312","UTF-8",$value); 
        $date = substr($file,0,9); 
        echo '<li class="world-cup-'.$date.'">'; 
        echo '<a href="'.$directory.$file.'" rel="worldcup" title="巴西世界杯赛事'.$date.'">'; 
        echo '<img src="'.$directory.$file.'" alt="">'; 
        echo '</a>'; 
        echo '</li>'; 
    } 
}