以下为引用的内容：
php代码:
/*
多文件上传类
修改：Linvo 2008-2-15
*/
class more_file_upload{
const FILE_PATH='../upfileclass/uploadfile/';
var file_type;
var file_type_array;
var file_type_real_array;
var file_type_string;
var file_name;
var file_size;
var file_tmp_name;
var file_error;
var handledate;
static totalsize=0;
 function __construct(file_name,file_error,file_size,file_tmp_name,file_type){
this->handledate=date('m-d-Y');
if (!empty(file_name)){
this->file_name = file_name;
this->file_error = file_error;
this->file_size = file_size;
this->file_tmp_name = file_tmp_name;
this->file_type = file_type;
this->file_type_array = array('/', 'image/gif', 'image/jpg', 'image/jpeg', 'image/pjpeg', 'image/png');
this->file_type_real_array = array(0.1, 'jpg'=>74707370, 'gif'=>7173, 'bmp'=>6677, 'png'=>807871);

this->show_execute_message(this->file_error,this->file_name,this->file_type,this->file_size);
}
}

function __destruct(){
this->file_name = NULL;
this->file_error = NULL;
this->file_size = NULL;
this->file_tmp_name = NULL;
this->file_type = NULL;
self::totalsize = 0;
}

function show_execute_message(smfileerror,smfilename,smfiletype,smfilesize){
if(smfileerror>0){
switch (smfileerror){
case 1: smfilemessage='文件超过服务器的约定大小！';break;
case 2: smfilemessage='文件超过指定的文件大小！';break;
case 3: smfilemessage='文件只上传了部分！';break;
case 4: echo "this->file_name ".'文件上传失败！
';break;
}
self::__destruct();
}else{
smfiletypeflag = array_search(smfiletype,this->file_type_array);

//进行真实格式验证
if(smfiletypeflag != false){
file = fopen(this->file_tmp_name, "rb");
bin = fread(file, 10);
fclose(file);
strInfo = @unpack("c10chars", bin);
typeCode = intval(strInfo['chars1'].strInfo['chars2']);
smfiletypeflag = array_search(typeCode, this->file_type_real_array);
if(smfiletypeflag == false){ //判断是否是png图片
typeCode = intval(strInfo['chars2'].strInfo['chars3'].strInfo['chars4']);
smfiletypeflag = array_search(typeCode, this->file_type_real_array);
if(smfiletypeflag == false){ //判断是否是jpg图片
typeCode = intval(strInfo['chars7'].strInfo['chars8'].strInfo['chars9'].strInfo['chars10']);
smfiletypeflag = array_search(typeCode, this->file_type_real_array);
}
}
}

if(smfiletypeflag == false){
smfilemessage='文件类型不对，请核实！';
self::__destruct();
}else{
resflag = this->move_file(this->file_tmp_name,this->file_name);
if (resflag == 1){
smfilemessage = '文件上传成功！';
self::totalsize += intval(smfilesize);
self::__destruct();
}else{
smfilemessage = '文件上传失败！';
self::__destruct();
}
}
}

smfilesizeformat = this->size_BKM(smfilesize);
echo '