以下为引用的内容:
function function_upload($name,$newname="",$dir="upload") { global $_FILES,$ext;
$return="";
$time=time();
$upload=trim($_FILES[$name]['tmp_name']);
$upload_name=trim($_FILES[$name]['name']);
$size=trim($_FILES[$name]['size']);
if(empty($upload) or empty($upload_name) or $size==0) { return $return; }
$dir.="/".date("Y-m",$time);
if (is_uploaded_file($upload)) { $ext=file_extension($upload_name);
if(liu_mkdir($dir)) {
if($newname!="") {
$newname.=".".$ext; //$newname=TIME_NOW.".".$ext; }else{ //$newname=$upload_name; $newname=$time.".".$ext; }
if(move_uploaded_file($upload,$dir."/".$newname) and file_exists($dir."/".$newname)) { chmod($dir."/".$newname,0755); $return=$dir."/".$newname; } }
}
return $return;
}
function file_extension($filename) { return substr(strrchr($filename, '.'), 1); }
function liu_mkdir($dir,$mode=0777) { if(is_dir($dir)) {
if(!is_writable($dir)) {
@chmod($dir,$mode);
} return true; } else
{
$oldmask = @umask(0);
$partialpath = dirname($dir);
if(!liu_mkdir($partialpath,$mode)) {
return false;
} else
{ return mkdir($dir,$mode); }
} }
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