2张图片上传时,用时间来重命名,再多加个字母区分2张图,怎么实现?
<tr>
<td align="right" bgcolor='#d0e0f4'>大图片:</td>
<td><input type="file" name="file[]" /></td>
</tr>
<tr>
<td align="right" bgcolor='#d0e0f4'>小图片:</td>
<td><input type="file" name="file[]" /></td>
</tr>
$filename = $_FILES["file"]["name"];
$str1 = explode(".",$filename[0]);
$str2 = explode(".",$filename[1]);
$filename1 = "0".".".$str1[1];
$filename2 = "0".".".$str2[1];
$preview1=S.time($newDate).$filename2;
$preview0=time($newDate).$filename1;
for($i=0;$i<count($filename);$i++){
move_uploaded_file($_FILES['file']['tmp_name'][$i],$dir.$preview.$i);
}
这样子是肯定不对的,请教高手,我该怎么修改呢??