YA: ProductInfo Update 20130615052503AAeEEVI

<?php
// Yahoo Answers: http://answers.yahoo.com/question/index?qid=20130615052503AAeEEVI
function uploadErrorMsg( $error ){
    $errors = array(
        1 => 'The uploaded file exceeds the Server\'s Maximum Allowable File Size',
        2 => 'The uploaded file exceeds the Form\'s Maximum Allowable File Size.',
        3 => 'The uploaded file was only partially uploaded, then interrupted or the connection was dropped.',
        4 => 'No file was uploaded.',
        6 => 'Missing a temporary folder. The server requires a temporary folder for file uploads.', // Server Setup Error
        7 => 'Failed to write file to disk.', // Internal Server Error
        8 => 'A PHP extension stopped the file upload.' // PHP Extension Library stopped the upload.
    );
    return $errors[(int) $error];
}


echo '<!DOCTYPE html>
<html lang="en-us">
    <head>
        <title>Change Top 3 helicopters</title>
    </head>
    <body>
        <h1>Change Top 3 helicopters</h1>';


if( isset($_FILES['file']) ){
    // Variable Defining
    $filename = $_POST['filename'];
    $product_number = (int) str_replace(Array('product','.txt'), '', $filename);
    $content = $_POST['content'];

    // Write Product File
    $pfn = 'product' . $product_number . '.txt';
    $fh = fopen($pfn, 'w') or die("Internal Error: Couldn't open File.");
    fwrite($fh, $content) or die('Internal Error: Couldn\'t write to File.');
    fclose($fh);

    // Upload Picture;
    $img = $_FILES['file'];
    $location = 'downloads/product' . $product_number . '.jpg';
    if( $img['error'] === UPLOAD_ERR_OK && move_uploaded_file($img['tmp_name'], $location)){
        echo 'File Uploaded!';
    }else if( $img['error'] !== UPLOAD_ERR_OK){
        echo 'Upload Error: ' . uploadErrorMsg($img['error']);
    }else{
        echo 'Internal Error: Couldn\'t move uploaded file to final location.';
    }
    echo '<br />';

    // Update Stats
    $statsFile = 'stats' . $product_number . '.txt';
    $cCount = (file_exists($statsFile))? (int) file_get_contents($statsFile) : 0;
    file_put_contents($statsFile, $cCount + 1);
}else{
    echo 'Please Choose a file.';
    error_log('Failed to choose a file.' . PHP_EOL, 3, 'txt.txt');
}