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[SOLVED] Upload Bar


czukoman20

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I was just wondering.. after spending about an hour and a half looking up upload bars on google.. if anyone here could help me locate one.. because i've been searching and i would like to know which prewritten upload bar works the best for people, and is easy to make it work to my spefications.

like where it will upload the file. and so on

 

help is greatly appreciated thankyou

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ok i found one..... but im not sure as to how to use it in my code.

can someone explain to me where i would have to change to make this code work for me... and how the directory works..

noob here  :(

 

<?php
function display_upload_form()
{
echo <<<DISPLAY_UPLOAD_FORM

    <html>
    <head>
    <title>Yet Another Upload Form</title>
    <style type="text/css" media="screen">
        <!--
        html body
        {background:#fff; font: 76%/1.5em arial, helvetica, sans-serif; color:#333;}

        input
        {color:#333;}
        -->
    </style>
    </head>

    <body>

    <form method="post" action="{$_SERVER['PHP_SELF']}" enctype="multipart/form-data">

    <p>Select a file.<br />
    <input type="file" name="myfile" tabindex="1" /></p>

    <p><input type="hidden" name="execute" value="1" /></p>

    <p><input type="submit" value="Upload File" tabindex="2" />

    </form>

    </body>
    </html>

DISPLAY_UPLOAD_FORM;
}

// File Upload ****************************************************************

function execute_upload()
{
    // root path
    $path = $_SERVER['DOCUMENT_ROOT'];

    // upload directory. path will originate from root.
    $dirname = '/uploads';

    // permission settings for newly created folders
    $chmod = 0755;

    // create file vars to make things easier to read.
    $filename = $_FILES['myfile']['name'];
    $filesize = $_FILES['myfile']['size'];
    $filetype = $_FILES['myfile']['type'];
    $file_tmp = $_FILES['myfile']['tmp_name'];
    $file_err = $_FILES['myfile']['error'];
    $file_ext = strrchr($filename, '.');

    // check if user actually put something in the file input field.
    if (($file_err == 0) && ($filesize != 0))
    {
        // Check extension.
        if (!$file_ext)
        {
            unlink($file_tmp);
            die('File must have an extension.');
        }

        // extra check to prevent file attacks.
        if (is_uploaded_file($file_tmp))
        {
            /*
            * check if the directory exists
            * if it doesnt exist, make the directory
            */
            $dir = $path . $dirname;

            if (!is_dir($dir))
            {
                $dir = explode('/', $dirname);

                foreach ($dir as $sub_dir)
                {
                    $path .= '/' . $sub_dir;
                    if (!is_dir($path))
                    {
                        if (!mkdir($path, $chmod))
                        {
                            unlink($file_tmp);
                            die('<strong>Error:</strong> Directory does not exist and was unable to be created.');
                        }
                    }
                }
            }

            /*
            * copy the file from the temporary upload directory
            * to its final detination.
            */
            if (@move_uploaded_file($file_tmp, $dir . '/' . $filename))
            {
                // success!
                echo "
                <p>Success!</p>
                <p><strong>View File:</strong> <a href=\"$dirname/$filename\">$filename</a></p>
                ";
            }
            else
            {
                // error moving file. check file permissions.
                unlink($file_tmp);
                echo '<strong>Error:</strong> Unable to move file to designated directory.';
            }
        }
        else
        {
            // file seems suspicious... delete file and error out.
            unlink($file_tmp);
            echo '<strong>Error:</strong> File does not appear to be a valid upload. Could be a file attack.';
        }
    }
    else
    {
        // Kill temp file, if any, and display error.
        if ($file_tmp != '')
        {
            unlink($file_tmp);
        }

        switch ($file_err)
        {
            case '0':
                echo 'That is not a valid file. 0 byte length.';
                break;

            case '1':
                echo 'This file, at ' . $filesize . ' bytes, exceeds the maximum allowed file size as set in <em>php.ini</em>. '.
                'Please contact your system admin.';
                break;

            case '2':
                echo 'This file exceeds the maximum file size specified in your HTML form.';
                break;

            case '3':
                echo 'File was only partially uploaded. This could be the result of your connection '.
                'being dropped in the middle of the upload.';

            case '4':
                echo 'You did not upload anything... Please go back and select a file to upload.';
                break;
        }
    }
}

// Logic Code *****************************************************************

if (isset($_POST['execute']))
{
    execute_upload();
}
else
{
    display_upload_form();
}


?>

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