{

// open the directory

$dir = opendir( $pathToImages );

// loop through it, looking for any/all JPG files:

while (false !== ($fname = readdir( $dir ))) {

// parse path for the extension

$info = pathinfo($pathToImages . $fname);

// continue only if this is a JPEG image

if ( strtolower($info['extension']) == 'jpg' )

{

echo "Creating thumbnail for {$fname} <br />";

// load image and get image size

$img = imagecreatefromjpeg( "{$pathToImages}{$fname}" );

$width = imagesx( $img );

$height = imagesy( $img );

// calculate thumbnail size

$new_width = $thumbWidth;

$new_height = floor( $height * ( $thumbWidth / $width ) );

// create a new temporary image

$tmp_img = imagecreatetruecolor( $new_width, $new_height );

// copy and resize old image into new image

imagecopyresized( $tmp_img, $img, 0, 0, 0, 0, $new_width, $new_height, $width, $height );

// save thumbnail into a file

imagejpeg( $tmp_img, "{$pathToThumbs}{$fname}", 100 );

$pic_data = 'ORG: H:' . $height . ' W: ' . $width . '<br> NEW: H:' . $new_height . ' W: ' . $new_width . '<br><br>';

echo $pic_data;

}

}

// close the directory

closedir( $dir );