pastebin - collaborative debugging

<?php

//start a PHP session.
session_start();

class Upload {

        //upload directory.
        //make sure it exists
        //chmod it to 0777 to be writable
        var $upload_dir = "uploads/";

        //the name of the file.
        var $name = '';

        //TMP name of the file on server.
        var $tmp_name = '';

        //the size of the file.
        //this is measured in bytes
        var $size = '';

        //the mime type of the file.
        //ex. image/png
        var $type = '';

        //number of files uploaded so far.
        var $count = 1;

        function Upload($file = array()) {
                //make sure that the file data is not empty.
                if (!empty($file)) {
                        //loop the file array
                        foreach ($file as $key => $val) {
                                $this -> {$key} = $val;
                        }

                        //execute the uploading method.
                        $this -> upload_file();
                }
        }

        function upload_file() {
                //make sure the the file has been uploaded
                if (is_uploaded_file($this -> tmp_name)) {
                        //make sure that the file can be moved to the "upload_dir"
                        if (move_uploaded_file($this -> tmp_name, $this -> upload_dir . $this -> name)) {
                                //increment the file count.
                                $newcount = (!isset($_SESSION['filecount'])) ? $this -> count : ($_SESSION['filecount'] + 1);
                                $_SESSION['files'][$newcount]['filename'] = $this -> name;
                                $_SESSION['files'][$newcount]['filesize'] = $this -> size;
                                $_SESSION['files'][$newcount]['filetype'] = $this -> type;
                        } else {
                                //file could not be moved
                                return false;
                        }
                } else {
                        //file was not uploaded
                        return false;
                }
        }
}

//get all the posted file data
$file = $_FILES['Filedata'];

//initialize the Upload class.
$upload = new Upload($file);

?>

<?php

//custom variable passed to the flash application
$customVariable = $_GET['customVariable'];
//the number of files uploaded
$totalFileCount = $_GET['totalFileCount'];

//loop the uploaded files.
//this is received from the flash application
for ($i = 0; $i < $totalFileCount; $i++) {
        $files[$i] = array(
                'filename' => $_GET['filename' . $i],
                'filesize' => $_GET['filesize' . $i],
                'filetype' => $_GET['filetype' . $i],
        );
}

//appand some text to our data.
$data = "Custom Variable - " . $customVariable . "\n";
$data .= "Total File Count - " . $totalFileCount . "\n";

foreach ($files as $fKey => $fVal) {
        foreach ($files[$fKey] as $fKey2 => $fVal2) {
                $data .= $fKey2 . " no " . $fKey . " - " . $fVal2 . "\n";
        }
}

//open a new log file.
$fh = fopen("uploads/test_" . time() . ".txt", "w");
//write the generated data to the file.
fwrite($fh, $data);
//close the log file handle
fclose($fh);

//response for the flash application
echo 'success';

?>