mirror of
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codemasher
613 lines
56 KiB
HTML
613 lines
56 KiB
HTML
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<!DOCTYPE html>
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<html class="writer-html5" lang="en" data-content_root="../">
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<head>
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<meta charset="utf-8" /><meta name="viewport" content="width=device-width, initial-scale=1" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Advanced usage — PHP-QRCode main
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Manual</title>
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<a href="../index.html" class="icon icon-home">
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PHP-QRCode
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</a>
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<p class="caption" role="heading"><span class="caption-text">Usage</span></p>
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<li class="toctree-l1"><a class="reference internal" href="Overview.html">Overview</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="Overview.html#features">Features</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Overview.html#requirements">Requirements</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Overview.html#framework-integration">Framework Integration</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Overview.html#shameless-advertising">Shameless advertising</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Installation.html">Installation</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="Installation.html#composer-json">composer.json</a><ul>
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<li class="toctree-l4"><a class="reference internal" href="Installation.html#version-switch">Version switch</a></li>
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<li class="toctree-l3"><a class="reference internal" href="Installation.html#terminal">Terminal</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Installation.html#manual-installation">Manual installation</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="Installation.html#can-i-use-this-library-without-using-composer">Can I use this library without using composer?</a></li>
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</ul>
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<li class="toctree-l2"><a class="reference internal" href="Installation.html#supported-php-versions-extension-requirements">Supported PHP versions & extension requirements</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Installation.html#imagemagick">ImageMagick</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="Quickstart.html">Quickstart</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="Quickstart.html#import-the-library">Import the library</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Quickstart.html#create-your-first-qr-code">Create your first QR Code</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="Quickstart.html#configuration">Configuration</a></li>
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</ul>
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</li>
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<li class="toctree-l2"><a class="reference internal" href="Quickstart.html#notes">Notes</a></li>
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</ul>
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</li>
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<li class="toctree-l1 current"><a class="current reference internal" href="#">Advanced usage</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="#configuration-via-qroptions">Configuration via <code class="docutils literal notranslate"><span class="pre">QROptions</span></code></a><ul>
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<li class="toctree-l3"><a class="reference internal" href="#supply-an-iterable-of-options">Supply an <code class="docutils literal notranslate"><span class="pre">iterable</span></code> of options</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#load-and-save-options-from-to-json">Load and save options from/to JSON</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#extending-the-qroptions-class">Extending the <code class="docutils literal notranslate"><span class="pre">QROptions</span></code> class</a></li>
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</ul>
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</li>
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<li class="toctree-l2"><a class="reference internal" href="#qrcode-methods"><code class="docutils literal notranslate"><span class="pre">QRCode</span></code> methods</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="#render-a-qrmatrix-instance">Render a <code class="docutils literal notranslate"><span class="pre">QRMatrix</span></code> instance</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#mixed-mode">Mixed mode</a></li>
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</ul>
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</li>
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<li class="toctree-l2"><a class="reference internal" href="#common-output-options">Common output options</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="#save-to-file">Save to file</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#base64-uri-output">Base64 URI output</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#return-the-image-resource">Return the image resource</a></li>
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</ul>
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</li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="Configuration-settings.html">Configuration settings</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#version">version</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#versionmin">versionMin</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#versionmax">versionMax</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#ecclevel">eccLevel</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#maskpattern">maskPattern</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#addquietzone">addQuietzone</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#quietzonesize">quietzoneSize</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#outputinterface">outputInterface</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#returnresource">returnResource</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#cachefile">cachefile</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#outputbase64">outputBase64</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#eol">eol</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#bgcolor">bgColor</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#invertmatrix">invertMatrix</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#drawlightmodules">drawLightModules</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#drawcircularmodules">drawCircularModules</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#circleradius">circleRadius</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#keepassquare">keepAsSquare</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#connectpaths">connectPaths</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#excludefromconnect">excludeFromConnect</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#modulevalues">moduleValues</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#addlogospace">addLogoSpace</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#logospacewidth">logoSpaceWidth</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#logospaceheight">logoSpaceHeight</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#logospacestartx">logoSpaceStartX</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#logospacestarty">logoSpaceStartY</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#scale">scale</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#imagetransparent">imageTransparent</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#transparencycolor">transparencyColor</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#quality">quality</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#gdimageuseupscale">gdImageUseUpscale</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#imagickformat">imagickFormat</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#cssclass">cssClass</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#svgaddxmlheader">svgAddXmlHeader</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#svgdefs">svgDefs</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#svgpreserveaspectratio">svgPreserveAspectRatio</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#svgusefillattributes">svgUseFillAttributes</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#textlinestart">textLineStart</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#jsonflags">jsonFlags</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#fpdfmeasureunit">fpdfMeasureUnit</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#xmlstylesheet">xmlStylesheet</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#readeruseimagickifavailable">readerUseImagickIfAvailable</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#readergrayscale">readerGrayscale</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#readerinvertcolors">readerInvertColors</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Configuration-settings.html#readerincreasecontrast">readerIncreaseContrast</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="Reading-QRCodes.html">Reading QR Codes</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="Reading-QRCodes.html#basic-usage">Basic usage</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Reading-QRCodes.html#the-luminancesourceinterface">The <code class="docutils literal notranslate"><span class="pre">LuminanceSourceInterface</span></code></a></li>
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<li class="toctree-l2"><a class="reference internal" href="Reading-QRCodes.html#the-decoder">The <code class="docutils literal notranslate"><span class="pre">Decoder</span></code></a></li>
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<li class="toctree-l2"><a class="reference internal" href="Reading-QRCodes.html#general-considerations">General considerations</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="Logos.html">Logos and logo space</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="Logos.html#info">Info</a></li>
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<li class="toctree-l2"><a class="reference internal" href="Logos.html#adding-a-logo-space">Adding a logo space</a></li>
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</ul>
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</li>
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</ul>
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<p class="caption" role="heading"><span class="caption-text">Customizing output</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../Customizing/Module-Values.html">Module values</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../Customizing/Module-Values.html#basics">Basics</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../Customizing/Module-Values.html#assigning-values">Assigning values</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../Customizing/Module-Values.html#handling-in-your-own-qroutputinterface">Handling in your own <code class="docutils literal notranslate"><span class="pre">QROutputInterface</span></code></a><ul>
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<li class="toctree-l3"><a class="reference internal" href="../Customizing/Module-Values.html#setting-module-values">Setting module values</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../Customizing/Module-Values.html#using-the-module-values">Using the module values</a></li>
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</ul>
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</li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="../Customizing/QROutputAbstract.html"><code class="docutils literal notranslate"><span class="pre">QROutputAbstract</span></code></a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../Customizing/QROutputAbstract.html#properties">Properties</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="../Customizing/QROutputAbstract.html#options-and-matrix"><code class="docutils literal notranslate"><span class="pre">$options</span></code> and <code class="docutils literal notranslate"><span class="pre">$matrix</span></code></a></li>
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<li class="toctree-l3"><a class="reference internal" href="../Customizing/QROutputAbstract.html#modulecount-scale-and-length"><code class="docutils literal notranslate"><span class="pre">$moduleCount</span></code>, <code class="docutils literal notranslate"><span class="pre">$scale</span></code> and <code class="docutils literal notranslate"><span class="pre">$length</span></code></a></li>
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<li class="toctree-l3"><a class="reference internal" href="../Customizing/QROutputAbstract.html#modulevalues"><code class="docutils literal notranslate"><span class="pre">$moduleValues</span></code></a></li>
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<li class="toctree-l3"><a class="reference internal" href="../Customizing/QROutputAbstract.html#copies-of-qroptions-values">Copies of <code class="docutils literal notranslate"><span class="pre">QROptions</span></code> values</a></li>
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</ul>
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</li>
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<li class="toctree-l2"><a class="reference internal" href="../Customizing/QROutputAbstract.html#methods">Methods</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="../Customizing/QROutputAbstract.html#setmodulevalues"><code class="docutils literal notranslate"><span class="pre">setModuleValues()</span></code></a></li>
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<li class="toctree-l3"><a class="reference internal" href="../Customizing/QROutputAbstract.html#modulevalueisvalid"><code class="docutils literal notranslate"><span class="pre">moduleValueIsValid()</span></code></a></li>
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<li class="toctree-l3"><a class="reference internal" href="../Customizing/QROutputAbstract.html#preparemodulevalue"><code class="docutils literal notranslate"><span class="pre">prepareModuleValue()</span></code></a></li>
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<li class="toctree-l3"><a class="reference internal" href="../Customizing/QROutputAbstract.html#getdefaultmodulevalue"><code class="docutils literal notranslate"><span class="pre">getDefaultModuleValue()</span></code></a></li>
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<li class="toctree-l3"><a class="reference internal" href="../Customizing/QROutputAbstract.html#getmodulevalue-and-getmodulevalueat"><code class="docutils literal notranslate"><span class="pre">getModuleValue()</span></code> and <code class="docutils literal notranslate"><span class="pre">getModuleValueAt()</span></code></a></li>
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<li class="toctree-l3"><a class="reference internal" href="../Customizing/QROutputAbstract.html#setmatrixdimensions"><code class="docutils literal notranslate"><span class="pre">setMatrixDimensions()</span></code></a></li>
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<li class="toctree-l3"><a class="reference internal" href="../Customizing/QROutputAbstract.html#getoutputdimensions"><code class="docutils literal notranslate"><span class="pre">getOutputDimensions()</span></code></a></li>
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<li class="toctree-l3"><a class="reference internal" href="../Customizing/QROutputAbstract.html#collectmodules"><code class="docutils literal notranslate"><span class="pre">collectModules()</span></code></a></li>
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<li class="toctree-l3"><a class="reference internal" href="../Customizing/QROutputAbstract.html#savetofile-and-tobase64datauri"><code class="docutils literal notranslate"><span class="pre">saveToFile()</span></code> and <code class="docutils literal notranslate"><span class="pre">toBase64DataURI()</span></code></a></li>
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</ul>
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</li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="../Customizing/Custom-output-interface.html">Custom <code class="docutils literal notranslate"><span class="pre">QROutputInterface</span></code></a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../Customizing/Custom-output-interface.html#class-skeleton">Class skeleton</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../Customizing/Custom-output-interface.html#module-values">Module values</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../Customizing/Custom-output-interface.html#transform-the-output">Transform the output</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../Customizing/Custom-output-interface.html#run-the-custom-output">Run the custom output</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../Customizing/Custom-output-interface.html#summary">Summary</a></li>
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</ul>
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</li>
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</ul>
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<p class="caption" role="heading"><span class="caption-text">Built-In Output Classes</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QREps.html">QREps</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QREps.html#example">Example</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QREps.html#additional-methods">Additional methods</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QREps.html#options-that-affect-this-class">Options that affect this class</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QRFpdf.html">QRFpdf</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRFpdf.html#example">Example</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRFpdf.html#additional-methods">Additional methods</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRFpdf.html#options-that-affect-this-class">Options that affect this class</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QRGdImage.html">QRGdImage</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRGdImage.html#example">Example</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRGdImage.html#additional-methods">Additional methods</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRGdImage.html#options-that-affect-this-class">Options that affect this class</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QRImagick.html">QRImagick</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRImagick.html#example">Example</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRImagick.html#additional-methods">Additional methods</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRImagick.html#options-that-affect-this-class">Options that affect this class</a></li>
|
|
</ul>
|
|
</li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QRInterventionImage.html">QRInterventionImage</a><ul>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRInterventionImage.html#example">Example</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRInterventionImage.html#additional-methods">Additional methods</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRInterventionImage.html#options-that-affect-this-class">Options that affect this class</a></li>
|
|
</ul>
|
|
</li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QRMarkupHTML.html">QRMarkupHTML</a><ul>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRMarkupHTML.html#example">Example</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRMarkupHTML.html#additional-methods">Additional methods</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRMarkupHTML.html#options-that-affect-this-class">Options that affect this class</a></li>
|
|
</ul>
|
|
</li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QRMarkupSVG.html">QRMarkupSVG</a><ul>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRMarkupSVG.html#example">Example</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRMarkupSVG.html#additional-methods">Additional methods</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRMarkupSVG.html#options-that-affect-this-class">Options that affect this class</a></li>
|
|
</ul>
|
|
</li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QRMarkupXML.html">QRMarkupXML</a><ul>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRMarkupXML.html#example">Example</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRMarkupXML.html#additional-methods">Additional methods</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRMarkupXML.html#options-that-affect-this-class">Options that affect this class</a></li>
|
|
</ul>
|
|
</li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QRStringJSON.html">QRStringJSON</a><ul>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRStringJSON.html#example">Example</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRStringJSON.html#previous-functionality">Previous functionality</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRStringJSON.html#additional-methods">Additional methods</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRStringJSON.html#options-that-affect-this-class">Options that affect this class</a></li>
|
|
</ul>
|
|
</li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QRStringText.html">QRStringText</a><ul>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRStringText.html#example">Example</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRStringText.html#additional-methods">Additional methods</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRStringText.html#options-that-affect-this-class">Options that affect this class</a></li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
<p class="caption" role="heading"><span class="caption-text">Appendix</span></p>
|
|
<ul>
|
|
<li class="toctree-l1"><a class="reference internal" href="../Appendix/Terminology.html">Terminology</a><ul>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Terminology.html#qr-code">QR Code</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Terminology.html#matrix">Matrix</a><ul>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#module">Module</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#version">Version</a></li>
|
|
</ul>
|
|
</li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Terminology.html#function-patterns">Function Patterns</a><ul>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#finder-pattern">Finder Pattern</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#alignment-pattern">Alignment Pattern</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#timing-pattern">Timing Pattern</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#separators">Separators</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#quiet-zone">Quiet Zone</a></li>
|
|
</ul>
|
|
</li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Terminology.html#encoding-region">Encoding Region</a><ul>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#data">Data</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#version-information">Version Information</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#format-information">Format Information</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#darkmodule">Darkmodule</a></li>
|
|
</ul>
|
|
</li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Terminology.html#mode">Mode</a><ul>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#segment">Segment</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#extended-channel-interpretation-eci">Extended Channel Interpretation (ECI)</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#mixed-mode">Mixed Mode</a></li>
|
|
</ul>
|
|
</li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Terminology.html#ecc-error-correction-coding">ECC (Error Correction Coding)</a><ul>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#ecc-level">ECC Level</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#maximum-data-capacity">Maximum data capacity</a></li>
|
|
</ul>
|
|
</li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Terminology.html#data-masking">Data masking</a><ul>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#evaluation">Evaluation</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#mask-pattern">Mask pattern</a></li>
|
|
</ul>
|
|
</li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Terminology.html#reflectance">Reflectance</a></li>
|
|
</ul>
|
|
</li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../Appendix/URI-Content.html">Popular content and URI schemes</a><ul>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/URI-Content.html#url-https">URL <code class="docutils literal notranslate"><span class="pre">https</span></code></a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/URI-Content.html#e-mail-mailto">E-Mail <code class="docutils literal notranslate"><span class="pre">mailto</span></code></a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/URI-Content.html#phone-numbers-tel">Phone numbers <code class="docutils literal notranslate"><span class="pre">tel</span></code></a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/URI-Content.html#geo-coordinates-geo">Geo Coordinates <code class="docutils literal notranslate"><span class="pre">geo</span></code></a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/URI-Content.html#mobile-authenticators-otpauth">Mobile Authenticators <code class="docutils literal notranslate"><span class="pre">otpauth</span></code></a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/URI-Content.html#wireless-network-configuration">Wireless Network configuration</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/URI-Content.html#contact-information-vcard">Contact information: vCard</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/URI-Content.html#calendar-events-vcalendar-and-icalendar">Calendar Events: vCalendar and iCalendar</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/URI-Content.html#credit-transfer">Credit Transfer</a><ul>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/URI-Content.html#sepa-european-payments-council">SEPA (European Payments Council)</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="../Appendix/URI-Content.html#pix-banco-central-do-brasil">Pix (Banco Central do Brasil)</a></li>
|
|
</ul>
|
|
</li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/URI-Content.html#see-also">See also</a></li>
|
|
</ul>
|
|
</li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../Appendix/Performance-considerations.html">Performance considerations</a><ul>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Performance-considerations.html#version">Version</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Performance-considerations.html#ecc-level">Ecc level</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Performance-considerations.html#data-mode">Data mode</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Performance-considerations.html#mask-pattern">Mask pattern</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Performance-considerations.html#output">Output</a></li>
|
|
</ul>
|
|
</li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../Appendix/Contribute.html">How to contribute</a><ul>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Contribute.html#questions-and-issues">Questions and issues</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Contribute.html#bug-reports">Bug reports</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Contribute.html#pull-requests-and-bug-fixes">Pull requests and bug fixes</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Contribute.html#documentation">Documentation</a></li>
|
|
</ul>
|
|
</li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../Appendix/License.html">License</a></li>
|
|
</ul>
|
|
|
|
</div>
|
|
</div>
|
|
</nav>
|
|
|
|
<section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
|
|
<i data-toggle="wy-nav-top" class="fa fa-bars"></i>
|
|
<a href="../index.html">PHP-QRCode</a>
|
|
</nav>
|
|
|
|
<div class="wy-nav-content">
|
|
<div class="rst-content">
|
|
<div role="navigation" aria-label="Page navigation">
|
|
<ul class="wy-breadcrumbs">
|
|
<li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
|
|
<li class="breadcrumb-item active">Advanced usage</li>
|
|
<li class="wy-breadcrumbs-aside">
|
|
<a href="https://github.com/chillerlan/php-qrcode/blob/main/docs/Usage/Advanced-usage.md" class="fa fa-github"> Edit on GitHub</a>
|
|
</li>
|
|
</ul>
|
|
<hr/>
|
|
</div>
|
|
<div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
|
|
<div itemprop="articleBody">
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|
|
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<section id="advanced-usage">
|
|
<h1>Advanced usage<a class="headerlink" href="#advanced-usage" title="Link to this heading"></a></h1>
|
|
<section id="configuration-via-qroptions">
|
|
<h2>Configuration via <code class="docutils literal notranslate"><span class="pre">QROptions</span></code><a class="headerlink" href="#configuration-via-qroptions" title="Link to this heading"></a></h2>
|
|
<p>The <a class="reference external" href="https://github.com/chillerlan/php-qrcode/blob/main/src/QROptions.php"><code class="docutils literal notranslate"><span class="pre">QROptions</span></code></a> class is a container based on <a class="reference external" href="https://github.com/chillerlan/php-settings-container">chillerlan/php-settings-container</a> that behaves similar to a <a class="reference external" href="https://www.php.net/manual/class.stdclass"><code class="docutils literal notranslate"><span class="pre">\stdClass</span></code></a> object, but with fixed properties.
|
|
A list with all available <code class="docutils literal notranslate"><span class="pre">QROptions</span></code> can be found under <a class="reference internal" href="Configuration-settings.html"><span class="std std-doc">configuration settings</span></a>.</p>
|
|
<div class="highlight-php notranslate"><div class="highlight"><pre><span></span><span class="nv">$options</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">QROptions</span><span class="p">;</span>
|
|
|
|
<span class="c1">// set some values</span>
|
|
<span class="nv">$options</span><span class="o">-></span><span class="na">version</span> <span class="o">=</span> <span class="mi">7</span><span class="p">;</span> <span class="c1">// property "version" exists</span>
|
|
<span class="nv">$options</span><span class="o">-></span><span class="na">foo</span> <span class="o">=</span> <span class="s1">'bar'</span><span class="p">;</span> <span class="c1">// property "foo" does not exist (and will not be created)</span>
|
|
|
|
<span class="c1">// retrieve values</span>
|
|
<span class="nb">var_dump</span><span class="p">(</span><span class="nv">$options</span><span class="o">-></span><span class="na">version</span><span class="p">);</span> <span class="c1">// -> 7</span>
|
|
<span class="nb">var_dump</span><span class="p">(</span><span class="nv">$options</span><span class="o">-></span><span class="na">foo</span><span class="p">);</span> <span class="c1">// -> null (no error will be thrown)</span>
|
|
</pre></div>
|
|
</div>
|
|
<section id="supply-an-iterable-of-options">
|
|
<h3>Supply an <code class="docutils literal notranslate"><span class="pre">iterable</span></code> of options<a class="headerlink" href="#supply-an-iterable-of-options" title="Link to this heading"></a></h3>
|
|
<p>The constructor takes an <code class="docutils literal notranslate"><span class="pre">iterable</span></code> of <code class="docutils literal notranslate"><span class="pre">$key</span> <span class="pre">=></span> <span class="pre">$value</span></code> pairs. For each setting an optional setter will be called if present.</p>
|
|
<div class="highlight-php notranslate"><div class="highlight"><pre><span></span><span class="nv">$myOptions</span> <span class="o">=</span> <span class="p">[</span>
|
|
<span class="s1">'version'</span> <span class="o">=></span> <span class="mi">5</span><span class="p">,</span>
|
|
<span class="s1">'outputType'</span> <span class="o">=></span> <span class="nx">QROutputInterface</span><span class="o">::</span><span class="na">GDIMAGE_PNG</span><span class="p">,</span>
|
|
<span class="s1">'eccLevel'</span> <span class="o">=></span> <span class="nx">EccLevel</span><span class="o">::</span><span class="na">M</span><span class="p">,</span>
|
|
<span class="p">];</span>
|
|
|
|
<span class="nv">$options</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">QROptions</span><span class="p">(</span><span class="nv">$myOptions</span><span class="p">);</span>
|
|
</pre></div>
|
|
</div>
|
|
<p>You can also set an <code class="docutils literal notranslate"><span class="pre">iterable</span></code> of options on an existing QROptions instance:</p>
|
|
<div class="highlight-php notranslate"><div class="highlight"><pre><span></span><span class="nv">$options</span><span class="o">-></span><span class="na">fromIterable</span><span class="p">(</span><span class="nv">$myOptions</span><span class="p">);</span>
|
|
</pre></div>
|
|
</div>
|
|
<p>In addition to that, you can also supply the <code class="docutils literal notranslate"><span class="pre">iterable</span></code> of option values directly to the <code class="docutils literal notranslate"><span class="pre">QRCode</span></code> constructor (v6+):</p>
|
|
<div class="highlight-php notranslate"><div class="highlight"><pre><span></span><span class="nv">$qrCode</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">QRCode</span><span class="p">(</span><span class="nv">$myOptions</span><span class="p">);</span>
|
|
</pre></div>
|
|
</div>
|
|
</section>
|
|
<section id="load-and-save-options-from-to-json">
|
|
<h3>Load and save options from/to JSON<a class="headerlink" href="#load-and-save-options-from-to-json" title="Link to this heading"></a></h3>
|
|
<p>The settings can be saved to and loaded from JSON, e.g. to store them in a database:</p>
|
|
<div class="highlight-php notranslate"><div class="highlight"><pre><span></span><span class="nv">$json</span> <span class="o">=</span> <span class="nv">$options</span><span class="o">-></span><span class="na">toJSON</span><span class="p">(</span><span class="nx">JSON_THROW_ON_ERROR</span><span class="p">);</span>
|
|
<span class="c1">// via JsonSerializable interface</span>
|
|
<span class="nv">$json</span> <span class="o">=</span> <span class="nb">json_encode</span><span class="p">(</span><span class="nv">$options</span><span class="p">,</span> <span class="nx">JSON_THROW_ON_ERROR</span><span class="p">);</span>
|
|
<span class="c1">// via __toString()</span>
|
|
<span class="nv">$json</span> <span class="o">=</span> <span class="p">(</span><span class="nx">string</span><span class="p">)</span><span class="nv">$options</span><span class="p">;</span>
|
|
|
|
<span class="nv">$options</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">QROptions</span><span class="p">()</span><span class="o">-></span><span class="na">fromJSON</span><span class="p">(</span><span class="nv">$json</span><span class="p">);</span>
|
|
<span class="c1">// on an existing instance - properties will be overwriten</span>
|
|
<span class="nv">$options</span><span class="o">-></span><span class="na">fromJSON</span><span class="p">(</span><span class="nv">$json</span><span class="p">);</span>
|
|
</pre></div>
|
|
</div>
|
|
</section>
|
|
<section id="extending-the-qroptions-class">
|
|
<h3>Extending the <code class="docutils literal notranslate"><span class="pre">QROptions</span></code> class<a class="headerlink" href="#extending-the-qroptions-class" title="Link to this heading"></a></h3>
|
|
<p>In case you need additional settings for your output module, just extend <code class="docutils literal notranslate"><span class="pre">QROptions</span></code>…</p>
|
|
<div class="highlight-php notranslate"><div class="highlight"><pre><span></span><span class="k">class</span> <span class="nc">MyCustomOptions</span> <span class="k">extends</span> <span class="nx">QROptions</span><span class="p">{</span>
|
|
<span class="k">protected</span> <span class="nx">string</span> <span class="nv">$myParam</span> <span class="o">=</span> <span class="s1">'defaultValue'</span><span class="p">;</span>
|
|
<span class="c1">// ...</span>
|
|
<span class="p">}</span>
|
|
</pre></div>
|
|
</div>
|
|
<p>…or use the <a class="reference external" href="https://github.com/chillerlan/php-settings-container/blob/main/src/SettingsContainerInterface.php"><code class="docutils literal notranslate"><span class="pre">SettingsContainerInterface</span></code></a>, which is the more flexible approach.</p>
|
|
<div class="highlight-php notranslate"><div class="highlight"><pre><span></span><span class="k">trait</span> <span class="nx">MyCustomOptionsTrait</span><span class="p">{</span>
|
|
<span class="k">protected</span> <span class="nx">string</span> <span class="nv">$myParam</span> <span class="o">=</span> <span class="s1">'defaultValue'</span><span class="p">;</span>
|
|
<span class="c1">// ...</span>
|
|
|
|
<span class="c1">// an optional magic setter, named "set_" + property name</span>
|
|
<span class="k">protected</span> <span class="k">function</span> <span class="nf">set_myParam</span><span class="p">(</span><span class="nx">string</span> <span class="nv">$myParam</span><span class="p">)</span><span class="o">:</span><span class="nx">void</span><span class="p">{</span>
|
|
<span class="nv">$this</span><span class="o">-></span><span class="na">myParam</span> <span class="o">=</span> <span class="nb">trim</span><span class="p">(</span><span class="nv">$myParam</span><span class="p">);</span>
|
|
<span class="p">}</span>
|
|
|
|
<span class="c1">// an optional magic getter, named "get_" + property name</span>
|
|
<span class="k">protected</span> <span class="k">function</span> <span class="nf">get_myParam</span><span class="p">()</span><span class="o">:</span><span class="nx">string</span><span class="p">{</span>
|
|
<span class="k">return</span> <span class="nb">strtoupper</span><span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">myParam</span><span class="p">);</span>
|
|
<span class="p">}</span>
|
|
<span class="p">}</span>
|
|
|
|
<span class="k">class</span> <span class="nc">MyCustomOptions</span> <span class="k">extends</span> <span class="nx">SettingsContainerAbstract</span><span class="p">{</span>
|
|
<span class="k">use</span> <span class="nx">QROptionsTrait</span><span class="p">,</span> <span class="nx">MyCustomOptionsTrait</span><span class="p">;</span>
|
|
<span class="p">}</span>
|
|
|
|
<span class="c1">// set the options</span>
|
|
<span class="nv">$myCustomOptions</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">MyCustomOptions</span><span class="p">;</span>
|
|
<span class="nv">$myCustomOptions</span><span class="o">-></span><span class="na">myParam</span> <span class="o">=</span> <span class="s1">'whatever value'</span><span class="p">;</span>
|
|
</pre></div>
|
|
</div>
|
|
<p>Extend the <code class="docutils literal notranslate"><span class="pre">SettingsContainerInterface</span></code> on-the-fly:</p>
|
|
<div class="highlight-php notranslate"><div class="highlight"><pre><span></span><span class="nv">$myOptions</span> <span class="o">=</span> <span class="p">[</span>
|
|
<span class="s1">'myParam'</span> <span class="o">=></span> <span class="s1">'whatever value'</span><span class="p">,</span>
|
|
<span class="c1">// ...</span>
|
|
<span class="p">];</span>
|
|
|
|
<span class="nv">$myCustomOptions</span> <span class="o">=</span> <span class="k">new</span> <span class="k">class</span><span class="p">(</span><span class="nv">$myOptions</span><span class="p">)</span> <span class="k">extends</span> <span class="nx">SettingsContainerAbstract</span><span class="p">{</span>
|
|
<span class="k">use</span> <span class="nx">QROptionsTrait</span><span class="p">,</span> <span class="nx">MyCustomOptionsTrait</span><span class="p">;</span>
|
|
<span class="p">};</span>
|
|
</pre></div>
|
|
</div>
|
|
</section>
|
|
</section>
|
|
<section id="qrcode-methods">
|
|
<h2><code class="docutils literal notranslate"><span class="pre">QRCode</span></code> methods<a class="headerlink" href="#qrcode-methods" title="Link to this heading"></a></h2>
|
|
<p>Aside of invoking a <code class="docutils literal notranslate"><span class="pre">QRCode</span></code> instance with an optional <code class="docutils literal notranslate"><span class="pre">QROptions</span></code> object as parameter, you can also set the options instance after invocation.
|
|
After invocation of the <code class="docutils literal notranslate"><span class="pre">QROptions</span></code> instance, values can be set without calling <code class="docutils literal notranslate"><span class="pre">QRCode::setOptions()</span></code> again (instance is backreferenced), however, this may create side effects.</p>
|
|
<div class="highlight-php notranslate"><div class="highlight"><pre><span></span><span class="c1">// instance will be invoked with default settings</span>
|
|
<span class="nv">$qrcode</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">QRCode</span><span class="p">;</span>
|
|
|
|
<span class="c1">// set options after QRCode invocation</span>
|
|
<span class="nv">$options</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">QROptions</span><span class="p">;</span>
|
|
|
|
<span class="nv">$qrcode</span><span class="o">-></span><span class="na">setOptions</span><span class="p">(</span><span class="nv">$options</span><span class="p">);</span>
|
|
</pre></div>
|
|
</div>
|
|
<section id="render-a-qrmatrix-instance">
|
|
<h3>Render a <code class="docutils literal notranslate"><span class="pre">QRMatrix</span></code> instance<a class="headerlink" href="#render-a-qrmatrix-instance" title="Link to this heading"></a></h3>
|
|
<p>You can render a <a class="reference external" href="https://github.com/chillerlan/php-qrcode/blob/main/src/Data/QRMatrix.php"><code class="docutils literal notranslate"><span class="pre">QRMatrix</span></code></a> instance directly:</p>
|
|
<div class="highlight-php notranslate"><div class="highlight"><pre><span></span><span class="c1">// a matrix from the current data segments</span>
|
|
<span class="nv">$matrix</span> <span class="o">=</span> <span class="nv">$qrcode</span><span class="o">-></span><span class="na">getQRMatrix</span><span class="p">();</span>
|
|
<span class="c1">// from the QR Code reader</span>
|
|
<span class="nv">$matrix</span> <span class="o">=</span> <span class="nv">$readerResult</span><span class="o">-></span><span class="na">getQRMatrix</span><span class="p">();</span>
|
|
<span class="c1">// manually invoked</span>
|
|
<span class="nv">$matrix</span> <span class="o">=</span> <span class="p">(</span><span class="k">new</span> <span class="nx">QRMatrix</span><span class="p">(</span><span class="k">new</span> <span class="nx">Version</span><span class="p">(</span><span class="mi">7</span><span class="p">),</span> <span class="k">new</span> <span class="nx">EccLevel</span><span class="p">(</span><span class="nx">EccLevel</span><span class="o">::</span><span class="na">M</span><span class="p">)))</span><span class="o">-></span><span class="na">initFunctionalPatterns</span><span class="p">();</span>
|
|
|
|
<span class="nv">$output</span> <span class="o">=</span> <span class="nv">$qrcode</span><span class="o">-></span><span class="na">renderMatrix</span><span class="p">(</span><span class="nv">$matrix</span><span class="p">);</span>
|
|
<span class="c1">// save to file</span>
|
|
<span class="nv">$qrcode</span><span class="o">-></span><span class="na">renderMatrix</span><span class="p">(</span><span class="nv">$matrix</span><span class="p">,</span> <span class="s1">'/path/to/qrcode.svg'</span><span class="p">);</span>
|
|
</pre></div>
|
|
</div>
|
|
</section>
|
|
<section id="mixed-mode">
|
|
<h3>Mixed mode<a class="headerlink" href="#mixed-mode" title="Link to this heading"></a></h3>
|
|
<p>Mixed mode QR Codes can be generated by adding several data segments:</p>
|
|
<div class="highlight-php notranslate"><div class="highlight"><pre><span></span><span class="c1">// make sure to set a proper internal encoding character set</span>
|
|
<span class="c1">// ideally, this should be set in php.ini internal_encoding,</span>
|
|
<span class="c1">// default_charset or mbstring.internal_encoding</span>
|
|
<span class="nb">mb_internal_encoding</span><span class="p">(</span><span class="s1">'UTF-8'</span><span class="p">);</span>
|
|
|
|
<span class="c1">// clear any existing data segments</span>
|
|
<span class="nv">$qrcode</span><span class="o">-></span><span class="na">clearSegments</span><span class="p">();</span>
|
|
|
|
<span class="nv">$qrcode</span>
|
|
<span class="o">-></span><span class="na">addNumericSegment</span><span class="p">(</span><span class="nv">$numericData</span><span class="p">)</span>
|
|
<span class="o">-></span><span class="na">addAlphaNumSegment</span><span class="p">(</span><span class="nv">$alphaNumData</span><span class="p">)</span>
|
|
<span class="o">-></span><span class="na">addKanjiSegment</span><span class="p">(</span><span class="nv">$kanjiData</span><span class="p">)</span>
|
|
<span class="o">-></span><span class="na">addHanziSegment</span><span class="p">(</span><span class="nv">$hanziData</span><span class="p">)</span>
|
|
<span class="o">-></span><span class="na">addByteSegment</span><span class="p">(</span><span class="nv">$binaryData</span><span class="p">)</span>
|
|
<span class="o">-></span><span class="na">addEciSegment</span><span class="p">(</span><span class="nx">ECICharset</span><span class="o">::</span><span class="na">GB18030</span><span class="p">,</span> <span class="nv">$encodedEciData</span><span class="p">)</span>
|
|
<span class="p">;</span>
|
|
|
|
<span class="nv">$output</span> <span class="o">=</span> <span class="nv">$qrcode</span><span class="o">-></span><span class="na">render</span><span class="p">();</span>
|
|
<span class="c1">// render to file</span>
|
|
<span class="nv">$qrcode</span><span class="o">-></span><span class="na">render</span><span class="p">(</span><span class="k">null</span><span class="p">,</span> <span class="s1">'/path/to/qrcode.svg'</span><span class="p">);</span>
|
|
</pre></div>
|
|
</div>
|
|
<p>The <a class="reference external" href="https://github.com/chillerlan/php-qrcode/blob/main/src/Data/QRDataModeInterface.php"><code class="docutils literal notranslate"><span class="pre">QRDataModeInterface</span></code></a> offers the <code class="docutils literal notranslate"><span class="pre">validateString()</span></code> method (implemented for <code class="docutils literal notranslate"><span class="pre">AlphaNum</span></code>, <code class="docutils literal notranslate"><span class="pre">Byte</span></code>, <code class="docutils literal notranslate"><span class="pre">Hanzi</span></code>, <code class="docutils literal notranslate"><span class="pre">Kanji</span></code> and <code class="docutils literal notranslate"><span class="pre">Number</span></code>).
|
|
This method is used internally when a data mode is invoked, but it can come in handy if you need to check input data beforehand.</p>
|
|
<div class="highlight-php notranslate"><div class="highlight"><pre><span></span><span class="k">if</span><span class="p">(</span><span class="o">!</span><span class="nx">Hanzi</span><span class="o">::</span><span class="na">validateString</span><span class="p">(</span><span class="nv">$data</span><span class="p">)){</span>
|
|
<span class="k">throw</span> <span class="k">new</span> <span class="nx">Exception</span><span class="p">(</span><span class="s1">'invalid GB2312 data'</span><span class="p">);</span>
|
|
<span class="p">}</span>
|
|
|
|
<span class="nv">$qrcode</span><span class="o">-></span><span class="na">addHanziSegment</span><span class="p">(</span><span class="nv">$data</span><span class="p">);</span>
|
|
</pre></div>
|
|
</div>
|
|
</section>
|
|
</section>
|
|
<section id="common-output-options">
|
|
<h2>Common output options<a class="headerlink" href="#common-output-options" title="Link to this heading"></a></h2>
|
|
<section id="save-to-file">
|
|
<h3>Save to file<a class="headerlink" href="#save-to-file" title="Link to this heading"></a></h3>
|
|
<p>You can specify an output file path in which the QR Code content is stored:</p>
|
|
<div class="highlight-php notranslate"><div class="highlight"><pre><span></span><span class="nv">$options</span><span class="o">-></span><span class="na">outputBase64</span> <span class="o">=</span> <span class="k">false</span><span class="p">;</span>
|
|
<span class="nv">$options</span><span class="o">-></span><span class="na">cachefile</span> <span class="o">=</span> <span class="s1">'/path/to/qrcode.svg'</span><span class="p">;</span>
|
|
|
|
<span class="nv">$qrcode</span><span class="o">-></span><span class="na">render</span><span class="p">(</span><span class="nv">$data</span><span class="p">);</span>
|
|
|
|
<span class="nb">printf</span><span class="p">(</span><span class="s1">'<img src="%s" alt="QR Code" />'</span><span class="p">,</span> <span class="nv">$options</span><span class="o">-></span><span class="na">cachefile</span><span class="p">);</span>
|
|
</pre></div>
|
|
</div>
|
|
<p>The file path can also be supplied as second parameter to the render methods (this will override the <code class="docutils literal notranslate"><span class="pre">QROptions::$cachefile</span></code> setting):</p>
|
|
<div class="highlight-php notranslate"><div class="highlight"><pre><span></span><span class="nv">$qrcode</span><span class="o">-></span><span class="na">render</span><span class="p">(</span><span class="nv">$data</span><span class="p">,</span> <span class="s1">'/path/to/qrcode.svg'</span><span class="p">);</span>
|
|
</pre></div>
|
|
</div>
|
|
</section>
|
|
<section id="base64-uri-output">
|
|
<h3>Base64 URI output<a class="headerlink" href="#base64-uri-output" title="Link to this heading"></a></h3>
|
|
<p>By default, a <a class="reference external" href="https://en.wikipedia.org/wiki/Data_URI_scheme">Base64 encoded data URI</a> will be returned (where applicable):</p>
|
|
<div class="highlight-php notranslate"><div class="highlight"><pre><span></span><span class="k">echo</span> <span class="nv">$qrcode</span><span class="o">-></span><span class="na">render</span><span class="p">(</span><span class="nv">$data</span><span class="p">);</span> <span class="c1">// -> data:image/png;base64,...</span>
|
|
</pre></div>
|
|
</div>
|
|
<p>Disable Base64 output:</p>
|
|
<div class="highlight-php notranslate"><div class="highlight"><pre><span></span><span class="nv">$options</span><span class="o">-></span><span class="na">outputBase64</span> <span class="o">=</span> <span class="k">false</span><span class="p">;</span>
|
|
|
|
<span class="nb">header</span><span class="p">(</span><span class="s1">'Content-type: image/png'</span><span class="p">);</span>
|
|
|
|
<span class="k">echo</span> <span class="nv">$qrcode</span><span class="o">-></span><span class="na">render</span><span class="p">(</span><span class="nv">$data</span><span class="p">);</span>
|
|
</pre></div>
|
|
</div>
|
|
</section>
|
|
<section id="return-the-image-resource">
|
|
<h3>Return the image resource<a class="headerlink" href="#return-the-image-resource" title="Link to this heading"></a></h3>
|
|
<p>In some cases you might want to modify the QR image after creation (without crating a custom output class), in which case you want the internal image resource rather than the final output.</p>
|
|
<div class="highlight-php notranslate"><div class="highlight"><pre><span></span><span class="nv">$options</span><span class="o">-></span><span class="na">outputInterface</span> <span class="o">=</span> <span class="nx">QRImagick</span><span class="o">::</span><span class="na">class</span><span class="p">;</span>
|
|
<span class="nv">$options</span><span class="o">-></span><span class="na">returnResource</span> <span class="o">=</span> <span class="k">true</span><span class="p">;</span>
|
|
|
|
<span class="sd">/** @var Imagick $imagick */</span>
|
|
<span class="nv">$imagick</span> <span class="o">=</span> <span class="nv">$qrcode</span><span class="o">-></span><span class="na">render</span><span class="p">(</span><span class="nv">$data</span><span class="p">);</span>
|
|
|
|
<span class="k">echo</span> <span class="nv">$imagick</span><span class="o">-></span><span class="na">getImageBlob</span><span class="p">();</span>
|
|
</pre></div>
|
|
</div>
|
|
</section>
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