php-barcode
Forked from davidscotttufts/php-barcode http://davidscotttufts.com/2009/03/31/how-to-create-barcodes-in-php/
Class for generating barcodes in four barcode formats including Code 128, Code 39, Code 2of5 and Codabar
Parameters
$text The text to be encoded
$code_type Either "code25", "code39", "code128" or "codabar" (See class constants, default "code128")
$scale Up- or downscale the image (2 makes the image twice as big, default 1)
$show_text Show the encoded text below the image (default false)
$returntype Either "src", "base64" or "gd" (See class constants, default "src")
$size The height of the barcode (default 20)
$orientation The orientation of the barcode (defaut "horizontal")
Returntype
src returns a base64 png encoded string, ready to be inserted into an image tags src attribute, eg:
<img src="<?php echo $returned_content; ?>" />base64 returns the png image as a base64 encoded string
gd returns the PHP image resource.