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Generate barcodes from a single PHP file. MIT license.

Output to PNG, GIF, JPEG, or SVG.
Generates UPC-A, UPC-E, EAN-13, EAN-8, Code 39, Code 93, Code 128, Codabar, ITF, QR Code, and Data Matrix.

Use from a PHP script:

include 'barcode.php';

$generator = new barcode_generator();

/* Output directly to standard output. */
$generator->output_image($format, $symbology, $data, $options);

/* Create bitmap image. */
$image = $generator->render_image($symbology, $data, $options);
imagepng($image);
imagedestroy($image);

/* Generate SVG markup. */
$svg = $generator->render_svg($symbology, $data, $options);
echo $svg;

Use with GET or POST:

barcode.php?f={format}&s={symbology}&d={data}&{options}

e.g.

barcode.php?f=png&s=upc-e&d=06543217
barcode.php?f=svg&s=qr&d=HELLO%20WORLD&sf=8&ms=r&md=0.8

Options:

f - Format. One of:

    png
    gif
    jpeg
    svg

s - Symbology (type of barcode). One of:

    upc-a          code-39         qr     dmtx
    upc-e          code-39-ascii   qr-l   dmtx-s
    ean-8          code-93         qr-m   dmtx-r
    ean-13         code-93-ascii   qr-q   gs1-dmtx
    ean-13-pad     code-128        qr-h   gs1-dmtx-s
    ean-13-nopad   codabar                gs1-dmtx-r
    ean-128        itf

d - Data. For UPC or EAN, use * for missing digit. For Codabar, use ABCD or ENT* for start and stop characters. For QR, encode in Shift-JIS for kanji mode.

w - Width of image. Overrides sf or sx.

h - Height of image. Overrides sf or sy.

sf - Scale factor. Default is 1 for linear barcodes or 4 for matrix barcodes.

sx - Horizontal scale factor. Overrides sf.

sy - Vertical scale factor. Overrides sf.

p - Padding. Default is 10 for linear barcodes or 0 for matrix barcodes.

pv - Top and bottom padding. Default is value of p.

ph - Left and right padding. Default is value of p.

pt - Top padding. Default is value of pv.

pl - Left padding. Default is value of ph.

pr - Right padding. Default is value of ph.

pb - Bottom padding. Default is value of pv.

bc - Background color in #RRGGBB format.

cs - Color of spaces in #RRGGBB format.

cm - Color of modules in #RRGGBB format.

tc - Text color in #RRGGBB format. Applies to linear barcodes only.

tf - Text font for SVG output. Default is monospace. Applies to linear barcodes only.

ts - Text size. For SVG output, this is in points and the default is 10. For PNG, GIF, or JPEG output, this is the GD library built-in font number from 1 to 5 and the default is 1. Applies to linear barcodes only.

th - Distance from text baseline to bottom of modules. Default is 10. Applies to linear barcodes only.

ms - Module shape. One of: s for square, r for round, or x for X-shaped. Default is s. Applies to matrix barcodes only.

md - Module density. A number between 0 and 1. Default is 1. Applies to matrix barcodes only.

wq - Width of quiet area units. Default is 1. Use 0 to suppress quiet area.

wm - Width of narrow modules and spaces. Default is 1.

ww - Width of wide modules and spaces. Applies to Code 39, Codabar, and ITF only. Default is 3.

wn - Width of narrow space between characters. Applies to Code 39 and Codabar only. Default is 1.

mawo / kkbarcode

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Generate barcodes from a single PHP file. MIT license.

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