prints code128 barcodes on labels sheets.
$barcode = new code128barcode(); $code = $barcode->output('code string'); ... $code = $barcode->output('another code string'); $barcode->->nozerofill = true; $code = $barcode->output('plain width barcode'); $barcode->unoptimized = true; $code = $barcode->output('laposte colissimo 123456 barcode');a very simple example with GD is here.
Needed fpdf class (Also free software) is disponible at http://fpdf.org
Optional LGPL PrintIPP class (for direct printing) is disponible at www.nongnu.org.
Code128 barcode specifications be found HERE.