Requirements

You must have php >= 5.3.2 installed and GD extension enabled.

Installation -

CodeItNow Barcode & Qr Code Generator can install by composer.

composer require bilalswiftsolutions/barcode

Uses -

Barcode and Qr Code Generator library give output as base64 encoded png image.

Example - QrCode:

use CodeItNow\BarcodeBundle\Utils\QrCode;

$qrCode = new QrCode();
$qrCode
    ->setText('QR code by codeitnow.in')
    ->setSize(300)
    ->setPadding(10)
    ->setErrorCorrection('high')
    ->setForegroundColor(array('r' => 0, 'g' => 0, 'b' => 0, 'a' => 0))
    ->setBackgroundColor(array('r' => 255, 'g' => 255, 'b' => 255, 'a' => 0))
    ->setLabel('Scan Qr Code')
    ->setLabelFontSize(16)
    ->setImageType(QrCode::IMAGE_TYPE_PNG)
;
echo '<img src="data:'.$qrCode->getContentType().';base64,'.$qrCode->generate().'" />';

Sample Image - QrCode:

Example - Code128:

use CodeItNow\BarcodeBundle\Utils\BarcodeGenerator;

$barcode = new BarcodeGenerator();
$barcode->setText("0123456789");
$barcode->setType(BarcodeGenerator::Code128);
$barcode->setScale(2);
$barcode->setThickness(25);
$barcode->setFontSize(10);
$code = $barcode->generate();

echo '<img src="data:image/png;base64,'.$code.'" />';

Example - Codabar:

$barcode->setText("A0123456789C");
$barcode->setType(BarcodeGenerator::Codabar);

Example - Code11:

$barcode->setText("0123456789");
$barcode->setType(BarcodeGenerator::Code11);

Example - Code39:

$barcode->setText("0123456789");
$barcode->setType(BarcodeGenerator::Code39);

Example - Code39-Extended:

$barcode->setText("0123456789");
$barcode->setType(BarcodeGenerator::Code39Extended);

Example - Ean128:

$barcode->setText("00123456789012345675");
$barcode->setType(BarcodeGenerator::Ean128);

Example - Gs1128:

$barcode->setText("00123456789012345675");
$barcode->setType(BarcodeGenerator::Gs1128);

Example - Gs1128 (with no length limit and unknown identifier):

$barcode->setText("4157707266014651802001012603068039000000006377069620171215");
$barcode->setType(BarcodeGenerator::Gs1128);
$barcode->setNoLengthLimit(true);
$barcode->setAllowsUnknownIdentifier(true);

Example - I25:

$barcode->setText("00123456789012345675");
$barcode->setType(BarcodeGenerator::I25);

Example - Isbn:

$barcode->setText("0012345678901");
$barcode->setType(BarcodeGenerator::Isbn);

Example - Msi:

$barcode->setText("0012345678901");
$barcode->setType(BarcodeGenerator::Msi);

Example - Postnet:

$barcode->setText("01234567890");
$barcode->setType(BarcodeGenerator::Postnet);

Example - S25:

$barcode->setText("012345678901");
$barcode->setType(BarcodeGenerator::S25);

Example - Upca:

$barcode->setText("012345678901");
$barcode->setType(BarcodeGenerator::Upca);

Example - Upca:

$barcode->setText("012345");
$barcode->setType(BarcodeGenerator::Upce);