<?php require_once('jpgraph/datamatrix/datamatrix.inc.php'); $data = '123456'; // Create and set parameters for the encoder $encoder = DatamatrixFactory::Create(DMAT_44x44); $encoder->SetEncoding(ENCODING_BASE256); // Create the image backend (default) $backend = DatamatrixBackendFactory::Create($encoder); $backend->SetModuleWidth(3); try { $backend->Stroke($data); } catch (Exception $e) { $errstr = $e->GetMessage(); echo "Datamatrix error message: $errstr\n"; } ?>