YA: Upload/File Updates 20130617070959AAgg2Zp

<?php
// Yahoo Answers Question http://answers.yahoo.com/question/index?qid=20130617070959AAgg2Zp


/***   Variables   ***/
$message = '';

/***   Functions   ***/
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];
}

/***   Processing   ***/
if( $_SERVER[ 'REQUEST_METHOD' ] === 'POST' && isset($_POST['file']) && trim($_POST['file']) !== ''){
    // Variables
    $file = (isset($_POST['file']))? trim($_POST['file']) : '';
    $num = (int) str_replace(Array('product','.txt'), '', $file);
    $content = (isset($_POST['content']))? trim( $_POST['content'] ) : '';
    $image = (isset($_FILES['image']))? $_FILES['image'] : false;
    $imageFile = 'downloads/product' . $num . '.jpg';
    $statsFile = 'stats' . $num . '.txt';

    // Replace/Write Content Of Product File
    $fh = @fopen($file, 'w');
    if( !$fh ){
        $message .= 'Couldn\'t Open File: "' . $file . '" (Line: ' . (__LINE__ - 2) . ')<br />';
    }else if( !fwrite($fh, $content) ){
        $message .= 'Couldn\'t Write Out to File. (Line: ' . (__LINE__ - 1) . ')<br />';
    }else if( is_resource($fh) ){
        @fclose($fh);
        $message .= 'Product File Content Added!<br />';
    }

    // Image Upload
    if($image && $image['error'] === UPLOAD_ERR_OK && ($image['type'] === 'image/jpg' || $image['type'] === 'image/jpeg')){
        if(move_uploaded_file( $image['tmp_bame'], $imageFile) ){
            $message .= 'Image Uploaded Successfully!<br />';
        }else{
            $message .= 'Image Upload Failed, due to internal error. Check folder permissions (line: ' . (__LINE__ - 3) . ').<br />';
        }
    }else if($image['type'] !== 'image/jpg' && $image['type'] !== 'image/jpeg'){
        $message .= 'Image is not a JPEG. Only JPEG are formatted to work.<br />';
    }else if( !$image ){
        $message .= 'No Image was selected to upload.<br />'; // iOS Safari and some versions of Safari do not post empty file form elements, if no file was selected.
    }else{
        $message .= 'Image Upload Error: (' . $image['error'] . ') ' . uploadErrorMsg($image['error']) . '<br />';
    }


    // Stats
    $fh = @fopen($statsFile, 'w+');
    $size = filesize($statsFile);
    if( !is_resource($fh) ){
        $message .= 'Cannot Open Stats file "' . $statsFile . '" (Line: ' . (__LINE__ - 2) . '). Check Permissions.<br />';
    }else{
        $stat = (file_exists($statsFile) && $size > 0)? @fread($fh, $size) : 0;
        if( $stat === false){
            $message .= 'Couldn\'t Read From Stat File (Line: ' . (__LINE__ - 2) . '). Check Permissions.<br />';
        }else{
            $stat++;
            if( @fwrite($fh, $stat) ){
                $message .= 'Stat File updated.<br />';
            }else{
                $message .= 'Couldn\'t write to stats file (Line: ' . (__LINE__ - 3) . '). Check Permissions.<br />';
            }
        }
    }
}else if( $_SERVER[ 'REQUEST_METHOD' ] === 'POST' ){
    $message .= 'Please select a Product File.<br />';
}


/***   Message Formatting   ***/
if( isset($message{1}) ){
    $message = '        <div style="padding: 0;border: 1px solid #CCC;">
            <h3 style="background-color: #CCC;margin: 0;padding: 4px;">Message</h3>
            <p style="padding: 8px;">
            ' . $message . '
            </p>
        </div>';
}

/***  HTML Output    ***/
echo '<!DOCTYPE html>
<html lang="en-us">
    <head>
        <title>Change Top 3 cars</title>
    </head>
    <body>
        ' . $message . '
        <form method="post" action="connor_lockett_p5.php" enctype="multipart/form-data">
            New Content: <input type="text" name="content" />
            <br />
            New Image: <input type="file" name="image" size="10" />
            <br />
            Products:
            <select name="file">
                <option value="product1.txt">Product 1</option>
                <option value="product2.txt">Product 2</option>
                <option value="product3.txt">Product 3</option>
            </select>
            <br />
            <input type="submit" value="Upload" />
        </form>
    </body>
</html>';