<form action="imageclass.php" method="post" enctype="multipart/form-data">
    <p align="left"><br>
        <input name="Image1" type="file" size="50" />
          <span class="style9"></span> </p>
    <p align="left"><br>
        <input type="submit" value="Upload Photo">
    </p>
  </form>

<?php
//--------------------------------
// CREATE WATERMARK FUNCTION
//--------------------------------

define( 'THUMBNAIL_IMAGE_MAX_WIDTH', 150 );
define( 'THUMBNAIL_IMAGE_MAX_HEIGHT', 150 );

function generate_image_thumbnail( $source_image_path, $thumbnail_image_path )
{
  list( $source_image_width, $source_image_height, $source_image_type ) = getimagesize( $source_image_path );

  switch ( $source_image_type )
  {
   case IMAGETYPE_GIF:
    $source_gd_image = imagecreatefromgif( $source_image_path );
    break;

   case IMAGETYPE_JPEG:
    $source_gd_image = imagecreatefromjpeg( $source_image_path );
    break;

   case IMAGETYPE_PNG:
    $source_gd_image = imagecreatefrompng( $source_image_path );
    break;
  }

  if ( $source_gd_image === false )
  {
   return false;
  }

  $thumbnail_image_width = THUMBNAIL_IMAGE_MAX_WIDTH;
  $thumbnail_image_height = THUMBNAIL_IMAGE_MAX_HEIGHT;

  $source_aspect_ratio = $source_image_width / $source_image_height;
  $thumbnail_aspect_ratio = $thumbnail_image_width / $thumbnail_image_height;

  if ( $source_image_width <= $thumbnail_image_width && $source_image_height <= $thumbnail_image_height )
  {
   $thumbnail_image_width = $source_image_width;
   $thumbnail_image_height = $source_image_height;
  }
  elseif ( $thumbnail_aspect_ratio > $source_aspect_ratio )
  {
   $thumbnail_image_width = ( int ) ( $thumbnail_image_height * $source_aspect_ratio );
  }
  else
  {
   $thumbnail_image_height = ( int ) ( $thumbnail_image_width / $source_aspect_ratio );
  }

  $thumbnail_gd_image = imagecreatetruecolor( $thumbnail_image_width, $thumbnail_image_height );

  imagecopyresampled( $thumbnail_gd_image, $source_gd_image, 0, 0, 0, 0, $thumbnail_image_width, $thumbnail_image_height, $source_image_width, $source_image_height );

  imagejpeg( $thumbnail_gd_image, $thumbnail_image_path, 90 );

  imagedestroy( $thumbnail_gd_image );

  return true;
}

//--------------------------------
// FILE PROCESSING FUNCTION
//--------------------------------

define( 'UPLOADED_IMAGE_DESTINATION', './images/users/' );
define( 'THUMBNAIL_IMAGE_DESTINATION', './images/thumbnails/' );

function process_image_upload( $field )
{
  $temp_image_path = $_FILES[ $field ][ 'tmp_name' ];
  $temp_image_name = $_FILES[ $field ][ 'name' ];

  list( , , $temp_image_type ) = getimagesize( $temp_image_path );

  if ( $temp_image_type === NULL )
  {
   return false;
  }

  switch ( $temp_image_type )
  {
  

   case IMAGETYPE_JPEG:
    break;


   default:
    return false;
  }
  $userid = $_SESSION['MM_Username'];
  $uploaded_image_path = UPLOADED_IMAGE_DESTINATION . $userid .'.jpg';
  


  move_uploaded_file( $temp_image_path, $uploaded_image_path );

  $thumbnail_image_path = THUMBNAIL_IMAGE_DESTINATION. $userid . preg_replace( '{\\.[^\\.]+$}', '.jpg','.jpg' );

  $result = generate_image_thumbnail( $uploaded_image_path, $thumbnail_image_path );

  return $result
   ? array( $uploaded_image_path, $thumbnail_image_path )
   : false;
}

//--------------------------------
// END OF FUNCTIONS
//--------------------------------

$result = process_image_upload( 'Image1' );

if ( $result === false )
{
  echo '<br>An error occurred while processing upload';
}
else
{
  echo 'your photo was uploaded succsessfully';
  $filename = mysql_real_escape_string($row_listUsers['image']);
}
?>