php file upload example code

The code is as follows:

name="uploadfile">Upload file:


//print_r($_FILES["upfile"]);
if(is_uploaded_file($_FILES['upfile']['tmp_name'])){
$upfile=$_FILES["upfile"];
//Get the value in the array
$name=$upfile["name" ];//The file name of the uploaded file
$type=$upfile["type"];//The type of the uploaded file
$size=$upfile["size"];//The size of the uploaded file
$tmp_name=$ upfile["tmp_name"];//Temporary storage path for uploaded files
//Determine whether it is an image
switch ($type){
case 'image/pjpeg':$okType=true;
break;
case 'image/ jpeg':$okType=true;
break;
case 'image/gif':$okType=true;
break;
case 'image/png':$okType=true;
break;
}

if($ okType){
/**
* 0: The file is uploaded successfully

* 1: The file size is exceeded, set in the php.ini file

* 2: The file size is exceeded and the value specified by the MAX_FILE_SIZE option< ;br/>
* 3: Only part of the file was uploaded

* 4: No file was uploaded

* 5: The uploaded file size is 0
*/
$error=$upfile["error"];//The value returned by the system after uploading
echo "================ =
";
echo "The uploaded file name is: ".$name."
";
echo "The uploaded file type is: ".$type."
echo "The uploaded file size is: ".$size."
";
echo "The value returned by the system after uploading is: ".$error."
";
echo "The temporary storage path of the uploaded file is: ".$tmp_name."
";

echo "Start moving the uploaded file
";
//Move the uploaded temporary file Go to the up directory
move_uploaded_file($tmp_name,'up/'.$name);
$destination="up/".$name;
echo "================
";
echo "Upload information:
";
if($error==0){
echo "File uploaded successfully! ";
echo "
Picture preview:
";
echo "";
//echo " alt="Picture preview:r file name :".$destination."rUpload time:">";
}elseif ($error==1){
echo "File size exceeded, set in php.ini file";
}elseif ($error ==2){
echo "The file size exceeded the value specified by the MAX_FILE_SIZE option";
}elseif ($error==3){
echo "Only part of the file was uploaded";
}elseif ($error==4 ){
echo "No file was uploaded";
}else{
echo "The uploaded file size is 0";
}
}else{
echo "Please upload images in jpg, gif, png and other formats! ";
}
}
?>

fileupload.php file:

. The code is as follows:

//Determine whether it is a picture
switch ($type){
case 'image/pjpeg' :$okType=true;
break;
case 'image/jpeg':$okType=true;
break;
case 'image/gif':$okType=true;
break;
case 'image/png':$ okType=true;
break;
}

The above is to determine whether the file is an image type. For more file types, you can refer to the tomcat/conf/web.xml file. The file types in it are very complete... .

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