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‎Readme.md

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# PHP Barcode Generator
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[![Build Status](https://travis-ci.org/picqer/php-barcode-generator.svg?branch=main)](https://travis-ci.org/picqer/php-barcode-generator) [![Github Actions](https://github.com/picqer/php-barcode-generator/workflows/phpunit/badge.svg)](https://travis-ci.org/picqer/php-barcode-generator) [![Total Downloads](https://poser.pugx.org/picqer/php-barcode-generator/downloads)](https://packagist.org/packages/picqer/php-barcode-generator)
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<a href="https://github.com/picqer/php-barcode-generator/actions"><img src="https://github.com/picqer/php-barcode-generator/workflows/phpunit/badge.svg" alt="Build Status"></a>
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<a href="https://packagist.org/packages/picqer/php-barcode-generator"><img src="https://img.shields.io/packagist/dt/picqer/php-barcode-generator" alt="Total Downloads"></a>
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<a href="https://packagist.org/packages/picqer/php-barcode-generator"><img src="https://img.shields.io/packagist/v/picqer/php-barcode-generator" alt="Latest Stable Version"></a>
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This is an easy to use, non-bloated, framework independent, barcode generator in PHP.
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This is an easy to use, non-bloated, framework independent, barcode generator in PHP. It uses zero(!) composer dependencies and is only a handful of files. Probably the reason that this is the most downloaded barcode generator for PHP on Packagist. ;)
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It creates SVG, PNG, JPG and HTML images, from the most used 1D barcode standards.
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@@ -84,6 +86,7 @@ Most used types are TYPE_CODE_128 and TYPE_CODE_39. Because of the best scanner
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- TYPE_EAN_5
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- TYPE_EAN_8
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- TYPE_EAN_13
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- TYPE_ITF14 (Also known as GTIN-14)
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- TYPE_UPC_A
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- TYPE_UPC_E
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- TYPE_MSI

‎phpunit.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<phpunit backupGlobals="false"
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backupStaticAttributes="false"
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colors="true"
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convertErrorsToExceptions="true"
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convertNoticesToExceptions="true"
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convertWarningsToExceptions="true"
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processIsolation="false"
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stopOnError="false"
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stopOnFailure="false"
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verbose="true"
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>
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<testsuites>
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<testsuite name="Barcode Test Suite">
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<directory>./tests/</directory>
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</testsuite>
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</testsuites>
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<filter>
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<whitelist>
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<directory>./src</directory>
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</whitelist>
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</filter>
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</phpunit>
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<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" backupGlobals="false" backupStaticAttributes="false" colors="true" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" processIsolation="false" stopOnError="false" stopOnFailure="false" verbose="true" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
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<coverage>
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<include>
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<directory>./src</directory>
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</include>
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</coverage>
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<testsuites>
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<testsuite name="Barcode Test Suite">
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<directory>./tests/</directory>
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</testsuite>
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</testsuites>
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</phpunit>

‎src/BarcodeGenerator.php

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use Picqer\Barcode\Types\TypeIntelligentMailBarcode;
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use Picqer\Barcode\Types\TypeInterleaved25;
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use Picqer\Barcode\Types\TypeInterleaved25Checksum;
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use Picqer\Barcode\Types\TypeITF14;
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use Picqer\Barcode\Types\TypeKix;
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use Picqer\Barcode\Types\TypeMsi;
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use Picqer\Barcode\Types\TypeMsiChecksum;
@@ -74,6 +75,7 @@ abstract class BarcodeGenerator
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const TYPE_STANDARD_2_5_CHECKSUM = 'S25+';
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const TYPE_INTERLEAVED_2_5 = 'I25';
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const TYPE_INTERLEAVED_2_5_CHECKSUM = 'I25+';
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const TYPE_ITF_14 = 'ITF14';
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const TYPE_CODE_128 = 'C128';
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const TYPE_CODE_128_A = 'C128A';
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const TYPE_CODE_128_B = 'C128B';
@@ -136,6 +138,9 @@ protected function createDataBuilderForType(string $type)
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case self::TYPE_INTERLEAVED_2_5_CHECKSUM:
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return new TypeInterleaved25Checksum();
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case self::TYPE_ITF_14:
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return new TypeITF14();
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case self::TYPE_CODE_128:
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return new TypeCode128();
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‎src/BarcodeGeneratorSVG.php

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@@ -8,14 +8,14 @@ class BarcodeGeneratorSVG extends BarcodeGenerator
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* Return a SVG string representation of barcode.
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*
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* @param $barcode (string) code to print
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* @param $type (const) type of barcode
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* @param BarcodeGenerator::Type_* $type (string) type of barcode
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* @param $widthFactor (float) Minimum width of a single bar in user units.
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* @param $height (int) Height of barcode in user units.
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* @param $foregroundColor (string) Foreground color (in SVG format) for bar elements (background is transparent).
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* @return string SVG code.
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* @public
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*/
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public function getBarcode($barcode, $type, float $widthFactor = 2, int $height = 30, string $foregroundColor = 'black')
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public function getBarcode(string $barcode, $type, float $widthFactor = 2, int $height = 30, string $foregroundColor = 'black')
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{
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$barcodeData = $this->getBarcodeData($barcode, $type);
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‎src/Types/TypeITF14.php

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<?php
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namespace Picqer\Barcode\Types;
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use Picqer\Barcode\Barcode;
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use Picqer\Barcode\BarcodeBar;
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use Picqer\Barcode\Exceptions\InvalidCharacterException;
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use Picqer\Barcode\Exceptions\InvalidLengthException;
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class TypeITF14 implements TypeInterface
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{
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/**
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* @throws InvalidLengthException
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* @throws InvalidCharacterException
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*/
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public function getBarcodeData(string $code): Barcode
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{
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$chr = [];
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$chr['0'] = '11221';
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$chr['1'] = '21112';
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$chr['2'] = '12112';
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$chr['3'] = '22111';
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$chr['4'] = '11212';
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$chr['5'] = '21211';
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$chr['6'] = '12211';
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$chr['7'] = '11122';
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$chr['8'] = '21121';
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$chr['9'] = '12121';
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$chr['A'] = '11';
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$chr['Z'] = '21';
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if (strlen($code) < 13 || strlen($code) > 14) {
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throw new InvalidLengthException();
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}
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if (strlen($code) === 13) {
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$code .= $this->getChecksum($code);
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}
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$barcode = new Barcode($code);
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// Add start and stop codes
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$code = 'AA' . strtolower($code) . 'ZA';
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// Loop through 2 chars at once
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for ($charIndex = 0; $charIndex < strlen($code); $charIndex += 2) {
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if (! isset($chr[$code[$charIndex]]) || ! isset($chr[$code[$charIndex + 1]])) {
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throw new InvalidCharacterException();
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}
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$drawBar = true;
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$pbars = $chr[$code[$charIndex]];
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$pspaces = $chr[$code[$charIndex + 1]];
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$pmixed = '';
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while (strlen($pbars) > 0) {
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$pmixed .= $pbars[0] . $pspaces[0];
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$pbars = substr($pbars, 1);
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$pspaces = substr($pspaces, 1);
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}
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foreach (str_split($pmixed) as $width) {
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$barcode->addBar(new BarcodeBar($width, 1, $drawBar));
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$drawBar = ! $drawBar;
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}
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}
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return $barcode;
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}
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private function getChecksum(string $code): string
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{
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$total = 0;
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for ($charIndex = 0; $charIndex <= (strlen($code) - 1); $charIndex++) {
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$integerOfChar = intval($code . substr($charIndex, 1));
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$total += $integerOfChar * (($charIndex === 0 || $charIndex % 2 === 0) ? 3 : 1);
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}
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$checksum = 10 - ($total % 10);
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if ($checksum === 10) {
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$checksum = 0;
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}
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return (string)$checksum;
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}
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}

‎src/Types/TypeInterleaved25Checksum.php

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{
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public function getBarcodeData(string $code): Barcode
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{
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$chr = [];
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$chr['0'] = '11221';
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$chr['1'] = '21112';
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$chr['2'] = '12112';
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// add leading zero if code-length is odd
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$code = '0' . $code;
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}
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// add start and stop codes
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$code = 'AA' . strtolower($code) . 'ZA';
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‎tests/VerifiedBarcodeTest.php

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/*
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* Test all supported barcodes types, with as much different but supported input strings.
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* Verified files can be build with generate-verified-files.php file.
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* Verified files can be built with generate-verified-files.php file.
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* Only run that file if you added new types or new strings to test.
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*
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* We use SVG because that output is vector and should be the same on every host system.
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['type' => BarcodeGenerator::TYPE_INTERLEAVED_2_5, 'barcodes' => ['1234567890']],
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['type' => BarcodeGenerator::TYPE_INTERLEAVED_2_5_CHECKSUM, 'barcodes' => ['1234567890']],
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['type' => BarcodeGenerator::TYPE_EAN_13, 'barcodes' => ['081231723897', '0049000004632', '004900000463']],
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['type' => BarcodeGenerator::TYPE_ITF_14, 'barcodes' => ['00012345600012', '05400141288766']],
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['type' => BarcodeGenerator::TYPE_CODE_128, 'barcodes' => ['081231723897', '1234567890abcABC-283*33']],
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['type' => BarcodeGenerator::TYPE_CODE_128_A, 'barcodes' => ['1234567890']],
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['type' => BarcodeGenerator::TYPE_CODE_128_B, 'barcodes' => ['081231723897', '1234567890abcABC-283*33']],
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}
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}
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protected function getSaveFilename($value) {
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protected function getSaveFilename($value)
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{
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return preg_replace('/[^a-zA-Z0-9_ \-+]/s', '-', $value);
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}
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}

‎tests/verified-files/ITF14-00012345600012.svg

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‎tests/verified-files/ITF14-05400141288766.svg

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