mrkad
/
php-qrcode
espejo de https://github.com/chillerlan/php-qrcode.git


			
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  <title>How to contribute &mdash; PHP-QRCode main
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            PHP-QRCode
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              <p class="caption" role="heading"><span class="caption-text">Usage</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../Usage/Overview.html">Overview</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Overview.html#features">Features</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Overview.html#requirements">Requirements</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Overview.html#framework-integration">Framework Integration</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Overview.html#shameless-advertising">Shameless advertising</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../Usage/Installation.html">Installation</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Installation.html#installation-with-composer">Installation with Composer</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Usage/Installation.html#composer-json">composer.json</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../Usage/Installation.html#version-switch">Version switch</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../Usage/Installation.html#terminal">Terminal</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../Usage/Installation.html#manual-installation">Manual installation</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Usage/Installation.html#can-i-use-this-library-without-using-composer">Can I use this library without using composer?</a></li>
</ul>
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<li class="toctree-l2"><a class="reference internal" href="../Usage/Installation.html#supported-php-versions-extension-requirements">Supported PHP versions &amp; extension requirements</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Installation.html#imagemagick">ImageMagick</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../Usage/Quickstart.html">Quickstart</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Quickstart.html#import-the-library">Import the library</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Quickstart.html#create-your-first-qr-code">Create your first QR Code</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Usage/Quickstart.html#configuration">Configuration</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Quickstart.html#reading-qr-codes">Reading QR Codes</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Quickstart.html#notes">Notes</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../Usage/Advanced-usage.html">Advanced usage</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Advanced-usage.html#configuration-via-qroptions">Configuration via <code class="docutils literal notranslate"><span class="pre">QROptions</span></code></a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Usage/Advanced-usage.html#supply-an-iterable-of-options">Supply an <code class="docutils literal notranslate"><span class="pre">iterable</span></code> of options</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Usage/Advanced-usage.html#load-and-save-options-from-to-json">Load and save options from/to JSON</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Usage/Advanced-usage.html#extending-the-qroptions-class">Extending the <code class="docutils literal notranslate"><span class="pre">QROptions</span></code> class</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Advanced-usage.html#qrcode-methods"><code class="docutils literal notranslate"><span class="pre">QRCode</span></code> methods</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Usage/Advanced-usage.html#render-a-qrmatrix-instance">Render a <code class="docutils literal notranslate"><span class="pre">QRMatrix</span></code> instance</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Usage/Advanced-usage.html#mixed-mode">Mixed mode</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Usage/Advanced-usage.html#qr-code-reader">QR Code reader</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Advanced-usage.html#common-output-options">Common output options</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Usage/Advanced-usage.html#save-to-file">Save to file</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Usage/Advanced-usage.html#base64-uri-output">Base64 URI output</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Usage/Advanced-usage.html#return-the-image-resource">Return the image resource</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Usage/Advanced-usage.html#add-a-logo-space">Add a logo space</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../Usage/Configuration-settings.html">Configuration settings</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#version">version</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#versionmin">versionMin</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#versionmax">versionMax</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#ecclevel">eccLevel</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#maskpattern">maskPattern</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#addquietzone">addQuietzone</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#quietzonesize">quietzoneSize</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#outputinterface">outputInterface</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#returnresource">returnResource</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#cachefile">cachefile</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#outputbase64">outputBase64</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#eol">eol</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#bgcolor">bgColor</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#invertmatrix">invertMatrix</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#drawlightmodules">drawLightModules</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#drawcircularmodules">drawCircularModules</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#circleradius">circleRadius</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#keepassquare">keepAsSquare</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#connectpaths">connectPaths</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#excludefromconnect">excludeFromConnect</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#modulevalues">moduleValues</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#addlogospace">addLogoSpace</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#logospacewidth">logoSpaceWidth</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#logospaceheight">logoSpaceHeight</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#logospacestartx">logoSpaceStartX</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#logospacestarty">logoSpaceStartY</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#scale">scale</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#imagetransparent">imageTransparent</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#transparencycolor">transparencyColor</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#quality">quality</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#gdimageuseupscale">gdImageUseUpscale</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#imagickformat">imagickFormat</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#cssclass">cssClass</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#svgaddxmlheader">svgAddXmlHeader</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#svgdefs">svgDefs</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#svgpreserveaspectratio">svgPreserveAspectRatio</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#svgusefillattributes">svgUseFillAttributes</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#textlinestart">textLineStart</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#jsonflags">jsonFlags</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#fpdfmeasureunit">fpdfMeasureUnit</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#xmlstylesheet">xmlStylesheet</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#readeruseimagickifavailable">readerUseImagickIfAvailable</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#readergrayscale">readerGrayscale</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#readerinvertcolors">readerInvertColors</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Usage/Configuration-settings.html#readerincreasecontrast">readerIncreaseContrast</a></li>
</ul>
</li>
</ul>
<p class="caption" role="heading"><span class="caption-text">Customizing output</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../Customizing/Module-Values.html">Module values</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Customizing/Module-Values.html#basics">Basics</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Customizing/Module-Values.html#assigning-values">Assigning values</a></li>
<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>
<li class="toctree-l3"><a class="reference internal" href="../Customizing/Module-Values.html#setting-module-values">Setting module values</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Customizing/Module-Values.html#using-the-module-values">Using the module values</a></li>
</ul>
</li>
</ul>
</li>
<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>
<li class="toctree-l2"><a class="reference internal" href="../Customizing/QROutputAbstract.html#properties">Properties</a><ul>
<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>
<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">$length</span></code></a></li>
<li class="toctree-l3"><a class="reference internal" href="../Customizing/QROutputAbstract.html#modulevalues"><code class="docutils literal notranslate"><span class="pre">$moduleValues</span></code></a></li>
<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>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../Customizing/QROutputAbstract.html#methods">Methods</a><ul>
<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>
<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>
<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>
<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>
<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>
<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>
<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>
<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>
<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>
</ul>
</li>
</ul>
</li>
<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>
<li class="toctree-l2"><a class="reference internal" href="../Customizing/Custom-output-interface.html#class-skeleton">Class skeleton</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Customizing/Custom-output-interface.html#module-values">Module values</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Customizing/Custom-output-interface.html#transform-the-output">Transform the output</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Customizing/Custom-output-interface.html#run-the-custom-output">Run the custom output</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Customizing/Custom-output-interface.html#summary">Summary</a></li>
</ul>
</li>
</ul>
<p class="caption" role="heading"><span class="caption-text">Built-In Output Classes</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QREps.html">QREps</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QREps.html#example">Example</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QREps.html#additional-methods">Additional methods</a></li>
<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>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QRFpdf.html">QRFpdf</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRFpdf.html#example">Example</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRFpdf.html#additional-methods">Additional methods</a></li>
<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>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QRGdImage.html">QRGdImage</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRGdImage.html#example">Example</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRGdImage.html#additional-methods">Additional methods</a></li>
<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>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QRImagick.html">QRImagick</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRImagick.html#example">Example</a></li>
<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 class="current">
<li class="toctree-l1"><a class="reference internal" href="Terminology.html">Terminology</a><ul>
<li class="toctree-l2"><a class="reference internal" href="Terminology.html#qr-code">QR Code</a></li>
<li class="toctree-l2"><a class="reference internal" href="Terminology.html#matrix">Matrix</a><ul>
<li class="toctree-l3"><a class="reference internal" href="Terminology.html#module">Module</a></li>
<li class="toctree-l3"><a class="reference internal" href="Terminology.html#version">Version</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="Terminology.html#function-patterns">Function Patterns</a><ul>
<li class="toctree-l3"><a class="reference internal" href="Terminology.html#finder-pattern">Finder Pattern</a></li>
<li class="toctree-l3"><a class="reference internal" href="Terminology.html#alignment-pattern">Alignment Pattern</a></li>
<li class="toctree-l3"><a class="reference internal" href="Terminology.html#timing-pattern">Timing Pattern</a></li>
<li class="toctree-l3"><a class="reference internal" href="Terminology.html#separators">Separators</a></li>
<li class="toctree-l3"><a class="reference internal" href="Terminology.html#quiet-zone">Quiet Zone</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="Terminology.html#encoding-region">Encoding Region</a><ul>
<li class="toctree-l3"><a class="reference internal" href="Terminology.html#data">Data</a></li>
<li class="toctree-l3"><a class="reference internal" href="Terminology.html#version-information">Version Information</a></li>
<li class="toctree-l3"><a class="reference internal" href="Terminology.html#format-information">Format Information</a></li>
<li class="toctree-l3"><a class="reference internal" href="Terminology.html#darkmodule">Darkmodule</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="Terminology.html#mode">Mode</a><ul>
<li class="toctree-l3"><a class="reference internal" href="Terminology.html#segment">Segment</a></li>
<li class="toctree-l3"><a class="reference internal" href="Terminology.html#extended-channel-interpretation-eci">Extended Channel Interpretation (ECI)</a></li>
<li class="toctree-l3"><a class="reference internal" href="Terminology.html#mixed-mode">Mixed Mode</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="Terminology.html#ecc-error-correction-coding">ECC (Error Correction Coding)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="Terminology.html#ecc-level">ECC Level</a></li>
<li class="toctree-l3"><a class="reference internal" href="Terminology.html#maximum-data-capacity">Maximum data capacity</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="Terminology.html#data-masking">Data masking</a><ul>
<li class="toctree-l3"><a class="reference internal" href="Terminology.html#evaluation">Evaluation</a></li>
<li class="toctree-l3"><a class="reference internal" href="Terminology.html#mask-pattern">Mask pattern</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="Terminology.html#reflectance">Reflectance</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="URI-Content.html">Popular content and URI schemes</a><ul>
<li class="toctree-l2"><a class="reference internal" href="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="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="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="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="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="URI-Content.html#wireless-network-configuration">Wireless Network configuration</a></li>
<li class="toctree-l2"><a class="reference internal" href="URI-Content.html#contact-information-vcard">Contact information: vCard</a></li>
<li class="toctree-l2"><a class="reference internal" href="URI-Content.html#calendar-events-vcalendar-and-icalendar">Calendar Events: vCalendar and iCalendar</a></li>
<li class="toctree-l2"><a class="reference internal" href="URI-Content.html#credit-transfer">Credit Transfer</a><ul>
<li class="toctree-l3"><a class="reference internal" href="URI-Content.html#sepa-european-payments-council">SEPA (European Payments Council)</a></li>
<li class="toctree-l3"><a class="reference internal" href="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="URI-Content.html#see-also">See also</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="Performance-considerations.html">Performance considerations</a><ul>
<li class="toctree-l2"><a class="reference internal" href="Performance-considerations.html#version">Version</a></li>
<li class="toctree-l2"><a class="reference internal" href="Performance-considerations.html#ecc-level">Ecc level</a></li>
<li class="toctree-l2"><a class="reference internal" href="Performance-considerations.html#data-mode">Data mode</a></li>
<li class="toctree-l2"><a class="reference internal" href="Performance-considerations.html#mask-pattern">Mask pattern</a></li>
<li class="toctree-l2"><a class="reference internal" href="Performance-considerations.html#output">Output</a></li>
</ul>
</li>
<li class="toctree-l1 current"><a class="current reference internal" href="#">How to contribute</a><ul>
<li class="toctree-l2"><a class="reference internal" href="#questions-and-issues">Questions and issues</a></li>
<li class="toctree-l2"><a class="reference internal" href="#bug-reports">Bug reports</a></li>
<li class="toctree-l2"><a class="reference internal" href="#pull-requests-and-bug-fixes">Pull requests and bug fixes</a></li>
<li class="toctree-l2"><a class="reference internal" href="#documentation">Documentation</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="License.html">License</a></li>
</ul>

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  <section id="how-to-contribute">
<h1>How to contribute<a class="headerlink" href="#how-to-contribute" title="Link to this heading"></a></h1>
<section id="questions-and-issues">
<h2>Questions and issues<a class="headerlink" href="#questions-and-issues" title="Link to this heading"></a></h2>
<p>If you have a question about or a general issue while using this library,
head over to the <a class="reference external" href="https://github.com/chillerlan/php-qrcode/discussions">discussions section</a>,
create a new post and describe your issue as precise as possible, ideally add a code example (if applicable).
Please don’t just write “headline says all” because the reply will likely be similarly concise - help me (and others) help you!
(just to clarify: the “general” does not mean general PHP support, in which case you’re better off on
<a class="reference external" href="https://stackoverflow.com/questions/tagged/php">StackOverflow</a> or <a class="reference external" href="https://www.reddit.com/r/PHPhelp/">/r/PHPhelp</a>)</p>
</section>
<section id="bug-reports">
<h2>Bug reports<a class="headerlink" href="#bug-reports" title="Link to this heading"></a></h2>
<p>So you found a bug or the library code is somehow misbehaving? That’s great (well, not that great tho). In that case,
please <a class="reference external" href="https://github.com/chillerlan/php-qrcode/issues/new?assignees=&amp;amp;labels=bug&amp;amp;projects=&amp;amp;template=bug_report.md&amp;amp;title=%5BBUG%5D">open a bug report and FILL OUT THE ISSUE TEMPLATE</a>
(I have to write that in all caps because nobody actually does it which usually leads to several avoidable follow-up questions that cost both of us precious time).
Below an example of the bug report template (it’s not that hard):</p>
<p><strong>Describe the bug</strong></p>
<p>A clear and concise description of what the bug is.</p>
<p><strong>Steps to reproduce the behavior</strong></p>
<ul class="simple">
<li><p>When i do …</p></li>
<li><p>The code below …</p></li>
<li><p>Error message: …</p></li>
</ul>
<p><strong>Code sample</strong></p>
<div class="highlight-php notranslate"><div class="highlight"><pre><span></span><span class="c1">// your code here</span>
</pre></div>
</div>
<p><strong>Expected behavior</strong></p>
<p>A clear and concise description of what you expected to happen.</p>
<p><strong>Screenshots</strong></p>
<p>If applicable, add screenshots to help explain your problem.</p>
<p><strong>Environment (please complete the following information):</strong></p>
<ul class="simple">
<li><p>PHP version/OS: [e.g. 7.4.12, Ubuntu 20.04]</p></li>
<li><p>Library version: [e.g. 4.3.4]</p></li>
</ul>
<p><strong>Additional context</strong></p>
<p>Add any other useful context about the problem.</p>
</section>
<section id="pull-requests-and-bug-fixes">
<h2>Pull requests and bug fixes<a class="headerlink" href="#pull-requests-and-bug-fixes" title="Link to this heading"></a></h2>
<p>You want to contribute code to fix something or add a feature? Hey that’s cool! However, there’s a few things to keep in mind:</p>
<ul class="simple">
<li><p>Please add a description of what the PR does or fixes and why it should be merged. If you’re unsure, <a class="reference external" href="https://github.com/chillerlan/php-qrcode/issues/new?assignees=&amp;amp;labels=enhancement&amp;amp;projects=&amp;amp;template=feature_request.md&amp;amp;title=%5BENHANCEMENT%5D">open an issue</a> before to gather feedback.</p></li>
<li><p>Make sure your branch is up-to-date/even with the upstream branch you’re submitting your PR to.</p></li>
<li><p>Please try to adhere to the <a class="reference external" href="https://github.com/chillerlan/php-qrcode/discussions/60"><em>loosely outlined</em> coding standards</a>, or, in case you’re using <a class="reference external" href="https://www.jetbrains.com/phpstorm/">PHPStorm</a>, make sure you’re using <a class="reference external" href="https://github.com/chillerlan/php-qrcode/tree/main/.idea">the supplied IDE profile</a>.</p></li>
</ul>
</section>
<section id="documentation">
<h2>Documentation<a class="headerlink" href="#documentation" title="Link to this heading"></a></h2>
<p>The documentation is a work in progress - any suggestion and contribution is very welcome!
If you have an addition or correction, feel fre to open a <a class="reference external" href="https://github.com/chillerlan/php-qrcode/issues/new?assignees=&amp;amp;labels=docs&amp;amp;projects=&amp;amp;template=documentation.md&amp;amp;title=%5BDOCS%5D">documentation issue</a>.</p>
<p>The API documentation is auto generated with <a class="reference external" href="https://www.phpdoc.org/">phpDocumentor</a> from the docblocks <a class="reference external" href="https://github.com/chillerlan/php-qrcode/tree/main/src">in the PHP sources</a>.
The markdown sources for the <a class="reference external" href="https://php-qrcode.readthedocs.io">Read the Docs online manual</a> are located in the <a class="reference external" href="https://github.com/chillerlan/php-qrcode/tree/main/docs">/docs directory</a></p>
</section>
</section>


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