PHP批量上传代码

<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<?php
error_reporting(E_ALL & ~ E_NOTICE);
function upload($photo,$i){
    $uploaddir = '../test/';
    $piece = explode('.',$photo['name'][$i]);
    $uploadfile = $uploaddir . md5($piece[0]).'.'.$piece[1];
    $result = move_uploaded_file($photo['tmp_name'][$i], $uploadfile);
    if(!$result){
        exit('上传失败');
    }
    return basename($uploadfile);    
}

if($_POST['tijiao']){
   $i=0;//计数器初始值
foreach ($_FILES["pictures"]["error"] as $key => $error) {
   if ($error == UPLOAD_ERR_OK) {
       upload($_FILES["pictures"],$i);
   }
   $i++;//计数器自增
}
}
?>
<form action="test.php" method="post" enctype="multipart/form-data">
<p>多图片上传<br>
<input type="file" name="pictures[]" /><br>
<input type="file" name="pictures[]" /><br>
<input type="file" name="pictures[]" /><br>
<input type="submit" value="Send" name="tijiao"/><br>
</p>
</form>

学习了，呵呵