kreativekorp / barcode
Generate barcodes from a single PHP file.
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Last update: 2024-12-26 17:17:12 UTC
README
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 directly as a PHP script 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
When using this method, you must escape non-alphanumeric characters with URL encoding, for example %26 for & or %2F for ?.
Or use as a library from another PHP script:
include 'barcode.php';
$generator = new barcode_generator();
/* Output directly to standard output. */
header("Content-Type: image/$format");
$generator->output_image($format, $symbology, $data, $options);
/* Create bitmap image and write to standard output. */
header('Content-Type: image/png');
$image = $generator->render_image($symbology, $data, $options);
imagepng($image);
imagedestroy($image);
/* Create bitmap image and write to file. */
$image = $generator->render_image($symbology, $data, $options);
imagepng($image, $filename);
imagedestroy($image);
/* Generate SVG markup and write to standard output. */
header('Content-Type: image/svg+xml');
$svg = $generator->render_svg($symbology, $data, $options);
echo $svg;
/* Generate SVG markup and write to file. */
$svg = $generator->render_svg($symbology, $data, $options);
file_put_contents($filename, $svg);
When using this method, you must NOT use URL encoding.
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.