Here’s the complete PHP code which does the server side task, you need to place this file along with upload Form page we created earlier. Just point your Ajax form to this file and it should work without any trouble.
I have tried to make this tutorial very simple, you can download the sample files from bottom of this page and continue with testing. If you have any suggestions to improve this tutorial, please go ahead and leave your valuable comments, good luck!
<?php
$UploadDirectory = ‘uploads/’; //Upload Directory, ends with slash & make sure folder exist
// replace with your mysql database details
$MySql_username = “xxx”; //mysql username
$MySql_password = “xxx”; //mysql password
$MySql_hostname = “localhost”; //hostname
$MySql_databasename = ‘xxx’; //databasename
if (!@file_exists($UploadDirectory)) {
//destination folder does not exist
die(“Make sure Upload directory exist!”);
}
if($_POST)
{
if(!isset($_POST[‘mName’]) || strlen($_POST[‘mName’])<1)
{
//required variables are empty
die(“Title is empty!”);
}
if(!isset($_FILES[‘mFile’]))
{
//required variables are empty
die(“File is empty!”);
}
if($_FILES[‘mFile’][‘error’])
{
//File upload error encountered
die(upload_errors($_FILES[‘mFile’][‘error’]));
}
$FileName = strtolower($_FILES[‘mFile’][‘name’]); //uploaded file name
$FileTitle = mysql_real_escape_string($_POST[‘mName’]); // file title
$ImageExt = substr($FileName, strrpos($FileName, ‘.’)); //file extension
$FileType = $_FILES[‘mFile’][‘type’]; //file type
$FileSize = $_FILES[‘mFile’][“size”]; //file size
$RandNumber = rand(0, 9999999999); //Random number to make each filename unique.
$uploaded_date = date(“Y-m-d H:i:s”);
switch(strtolower($FileType))
{
//allowed file types
case ‘image/png’: //png file
case ‘image/gif’: //gif file
case ‘image/jpeg’: //jpeg file
case ‘application/pdf’: //PDF file
case ‘application/msword’: //ms word file
case ‘application/vnd.ms-excel’: //ms excel file
case ‘application/x-zip-compressed’: //zip file
case ‘text/plain’: //text file
case ‘text/html’: //html file
break;
default:
die(‘Unsupported File!’); //output error
}
//File Title will be used as new File name
$NewFileName = preg_replace(array(‘/s/’, ‘/.[.]+/’, ‘/[^w_.-]/’), array(‘_’, ‘.’, ”), strtolower($FileTitle));
$NewFileName = $NewFileName.’_’.$RandNumber.$ImageExt;
//Rename and save uploded file to destination folder.
if(move_uploaded_file($_FILES[‘mFile’][“tmp_name”], $UploadDirectory . $NewFileName ))
{
//connect & insert file record in database
$dbconn = mysql_connect($MySql_hostname, $MySql_username, $MySql_password)or die(“Unable to connect to MySQL”);
mysql_select_db($MySql_databasename,$dbconn);
@mysql_query(“INSERT INTO file_records (file_name, file_title, file_size, uploaded_date) VALUES (‘$NewFileName’, ‘$FileTitle’,$FileSize,’$uploaded_date’)”);
mysql_close($dbconn);
die(‘Success! File Uploaded.’);
}else{
die(‘error uploading File!’);
}
}
//function outputs upload error messages, http://www.php.net/manual/en/features.file-upload.errors.php#90522
function upload_errors($err_code) {
switch ($err_code) {
case UPLOAD_ERR_INI_SIZE:
return ‘The uploaded file exceeds the upload_max_filesize directive in php.ini’;
case UPLOAD_ERR_FORM_SIZE:
return ‘The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form’;
case UPLOAD_ERR_PARTIAL:
return ‘The uploaded file was only partially uploaded’;
case UPLOAD_ERR_NO_FILE:
return ‘No file was uploaded’;
case UPLOAD_ERR_NO_TMP_DIR:
return ‘Missing a temporary folder’;
case UPLOAD_ERR_CANT_WRITE:
return ‘Failed to write file to disk’;
case UPLOAD_ERR_EXTENSION:
return ‘File upload stopped by extension’;
default:
return ‘Unknown upload error’;
}
}
?>
Use This Link for sample code download ….
ASP.net/C# learner, ASP.Net/C# developer 