php点击同一个按钮实现正序倒叙 php foreach正序倒序输出

// 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 '

';

echo '';

echo '';

echo '';

echo '

';

}

}

// 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 '

';

echo '';

echo '';

echo '';

echo '

';

}

}