PHP Multi-File Upload class instance, _php tutorial

PHP Multi-File Upload class instance,

This article describes the PHP multi-File upload class. Share to everyone for your reference. Specific as follows:
Copy CodeThe code is as follows: <?php
/*
PHP Multi-File Upload class
Modified: 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;
var $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;
$this-$totalsize = 0;
}

function Show_execute_message ($smfileerror, $smfilename, $smfiletype, $smfilesize) {
if ($smfileerror >0) {
Switch ($smfileerror) {
Case 1: $smfilemessage = 'file exceeds the contract size of the server! '; break;
Case 2: $smfilemessage = 'file exceeds the specified file size! '; break;
Case 3: $smfilemessage = 'only part of the file was uploaded! '; break;
Case 4:echo "$this, $file _name". File upload failed!
'; break;
}
Self::__destruct ();
}else{
$smfiletypeflag = Array_search ($smfiletype, $this, $file _type_array);

Perform true format validation
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) {//Determine if PNG is a picture
$typeCode = Intval ($strInfo [' chars2 ']. $strInfo [' Chars3 ']. $strInfo [' CHARS4 ']);
$smfiletypeflag = Array_search ($typeCode, $this, $file _type_real_array);
if ($smfiletypeflag = = False) {//Determine if it is a JPG picture
$ $typeCode = intval ($strInfo [' chars7 ']. $strInfo [' Chars8 ']. $strInfo [' Chars9 ']. $strInfo [' CHARS10 ']);
$smfiletypeflag = Array_search ($typeCode, $this, $file _type_real_array);
}
}
}

if ($smfiletypeflag = = False) {
$smfilemessage = 'The file type is wrong, please verify! ';
Self::__destruct ();
}else{
$resflag = $ $this->move_file ($ $this, $file _tmp_name, $this-$file _name);
if ($resflag = = 1) {
$smfilemessage = ' File upload succeeded! ';
$this->totalsize + = Intval ($smfilesize);
Self::__destruct ();
}else{
$smfilemessage = 'File upload failed! ';
Self::__destruct ();
}
}
}

$ $smfilesizeformat = $this->size_bkm ($smfilesize);
Echo '
'. $smfilename. '
'. $smfiletype. '
'. $smfilesizeformat. '
'. Smfilemessage. '
';
}

function Move_file ($mvfiletmp, $mvfilename) {//Move file
$mvfilenamearr = Explode ('. ', basename ($mvfilename));
$mvfilenamearr [0] = $this->rand_string ();
$mvfilename = Implode ('. ', $mvfilenamearr);

if (Is_uploaded_file ($mvfiletmp)) {
$uploadfile = Self::file_path. " $mvfilename ";
$result = Move_uploaded_file ($mvfiletmp, $uploadfile);
return $result;
}
}

function rand_string () {
$string = MD5 (Uniqid (rand (). Microtime ()));
return $string;
}

function size_bkm ($size) {//B/KB/MB unit conversion
if ($size < 1024)
{
$size _bkm = (string) $size. "B";
}
ElseIf ($size < (1024 * 1024))
{
$size _bkm = Number_format ((double) ($size/1024), 1). "KB";
}else
{
$size _bkm = Number_format ((double) ($size/(1024*1024)), 1). " MB ";
}
return $size _bkm;
}
}
?>

I hope this article is helpful to everyone's PHP programming.

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