Server-side code uploaded to the server--there is a problem

<form action= "" enctype= "Multipart/form-data" method= "POST" >

Name= "UploadFile" > Upload file: <input type= "file" Name= "Upfile"/><br>

<input type= "Submit" value= "Upload"/>

</form>

<?php

if (Is_uploaded_file ($_files[' upfile ' [' tmp_name ']))

{

$upfile =$_files["Upfile"];

Gets the value inside the array

$name = $upfile ["name"];//the filename of the uploaded file

$type = $upfile ["type"];//upload file type

$size = $upfile ["Size"];//upload files

$tmp _name= $upfile ["Tmp_name"];//the temporary storage path of the uploaded file

Determine if it is a picture

Switch ($type) {

Case ' image/pjpeg ': $okType =type;

Break

Case ' image/jpeg ': $okType =type;

Break

Case ' image/gif ': $okType =type;

Break

Case ' image/png ': $okType =type;

Break

}

if ($okType) {

0: File Upload success </br>

1: File size exceeded, set in php.ini file

2: The value of the file max_file_size option is exceeded

3: Files are only partially uploaded

4: No file Upload

5: Upload file is 0

$error = $upfile ["Error"];//the value returned by the system after uploading

echo "________________<br/>";

echo "Upload file name is:". $name. " <br/> ";

echo "Upload file type is:". $type. " <br/> ";

echo "Upload file size is:". $size. " <br/> "

echo "The value returned by the system after uploading is:". $error. " <br/> ";

echo "The temporary storage path for uploading files is:". $tmp _name. " <br/> ";

echo "Start moving upload file <br/>";

Move the uploaded temporary files to the up directory below

Move_uploaded_file ($tmp _name, ' up/'. $name);

$destination = "up/". $name;

echo "----------------<br/>"

echo "Upload information:<br/>";

if ($error ==0) {

echo "File Upload successful! ";

echo "<br> picture preview:<br>";

echo "img scr=". $destination. " > ";

}elseif ($error ==1) {

echo "Exceeds file size, set in php.ini file";

}elseif ($error ==2) {

echo "exceeds the size of the file max_file_size option specified value";

}elseif ($error ==3) {

echo "file is only partially uploaded";

}elseif ($error ==4) {

echo "No files were uploaded";

}else{

echo "Upload file size is 0";

}

}else{

echo "Please upload pictures in jpg,gif,png and other formats"

}

}

?>

Server-side code uploaded to the server--there is a problem