Composer (software)

<h2 id="syntax">Syntax</h2>
<h3>Commands</h3>
<p>Composer offers several parameters including :<a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a>
</p>
<ul><li>require: add the library in parameter to the file composer.json, and install it.</li>
<li>install: install all libraries from composer.json. It's the command to use to download all PHP repository dependencies.</li>
<li>update: update all libraries from composer.json, according to the allowed versions mentioned into it.</li>
<li>remove: uninstall a library and remove it from composer.json.</li></ul>
<h3>Libraries definition</h3>
<p>Example of composer.json generated by the following command:
</p>
composer require monolog/monolog

{
    "require": {
        "monolog/monolog": "1.2.*"
    }
}

<h3>Versions</h3>
<p>The different authorized versions of the libraries are defined by:<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a>
</p>
<table><tbody><tr><th>Symbol</th><th>Role (placed before a version number)</th><th>Example</th></tr><tr><td>>=</td><td>allows to extend the number. Moreover, we can use: >, <, <=.</td><td>"php": ">=5.5.9" includes PHP 7.</td></tr><tr><td>!=</td><td>excludes a version.</td><td></td></tr><tr><td>-</td><td>defines a range of versions.</td><td></td></tr><tr><td>*</td><td>extends to all subversions.</td><td>"symfony/symfony": "3.1.*" includes the 3.1.1.</td></tr><tr><td>~</td><td>extends to the next versions of the same level.</td><td>"doctrine/orm": "~2.5" also concerns the 2.6, but neither the 2.4 nor the 3.0.</td></tr><tr><td>^</td><td>same as tilde, only if there is a <a href="/facts/Backward_compatibility/FbHFBu5y">backward compatibility</a>.</td><td></td></tr></tbody></table>
<h2 id="supported-frameworks">Supported frameworks</h2>
<ul><li><a href="/facts/Symfony/xkYa3sh1">Symfony</a> version 2 and later</li>
<li><a href="/facts/Laravel/nc3vYq0J">Laravel</a> version 5 and later</li>
<li><a href="/facts/CodeIgniter/kCKRWtBf">CodeIgniter</a> version 3.0 and later</li>
<li><a href="/facts/CakePHP/GfHu3DxM">CakePHP</a> version 3.0 and later</li>
<li><a href="/facts/FuelPHP/ySGbD9WD">FuelPHP</a> version 2.0 and later</li>
<li><a href="/facts/Drupal/pX3JIDD3">Drupal</a> version 8 and later</li>
<li><a href="/facts/TYPO3/YqtGsus5">TYPO3</a> version 6.2 and later</li>
<li><a href="/facts/Neos_Flow/NQErn0yI">Neos Flow</a> version 2.0 and later</li>
<li><a href="/facts/Silverstripe/exh6AoBV">Silverstripe</a> version 3.0 later</li>
<li><a href="/facts/Magento/s8IAqCF5">Magento</a> version 2.0 later</li>
<li>OpenMage version 20.0.0 and later</li>
<li><a href="/facts/Yii/zdMWjem1">Yii</a> version 1.1 and later</li>
<li><a href="/facts/Laminas/J4xsYpzy">Laminas</a></li>
<li>Silex (web framework)</li>
<li>Lumen (web framework)</li>
<li>Adianti Framework  version 1 and later</li></ul>
<h2 id="see-also">See also</h2>
<ul><li><a href="/facts/PEAR/7b4cnVUt">PEAR</a></li></ul>

<h2 id="external-links">External links</h2>

Wikimedia Commons has media related to Composer (software).

<ul>
<li>Free and open-source software portal</li></ul> 
<ul><li><a href="https://getcomposer.org/">Official website</a></li>
<li><a href="https://github.com/composer/composer">Composer on GitHub</a></li>
<li><a href="https://getcomposer.org/doc/">Composer documentation</a></li>
<li><a href="https://www.codementor.io/php/tutorial/composer-install-php-dependency-manager">Composer Tutorial</a></li>
<li><a href="https://packagist.org/">Packagist - the main Composer repository</a></li>
<li><a href="https://www.openhub.net/p/composer">Composer</a> at <a href="/facts/Open_Hub/D7edguPq">Open Hub</a></li></ul>

<h2 id="references">References</h2>

<ol>
<li id="fn:1"><p>Software release, github.com, Retrieved April 24, 2016. <a href="https://github.com/composer/composer/releases/tag/1.0.0-alpha1" target="_blank">https://github.com/composer/composer/releases/tag/1.0.0-alpha1</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li>
<li id="fn:2"><p>Getting Started/Dependency management, getcomposer.org, Retrieved November 28, 2013. <a href="https://getcomposer.org/doc/00-intro.md#dependency-management" target="_blank">https://getcomposer.org/doc/00-intro.md#dependency-management</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li>
<li id="fn:3"><p>"composer/composer". Jun 23, 2020. Retrieved Jun 24, 2020 – via GitHub. <a href="https://github.com/composer/composer" target="_blank">https://github.com/composer/composer</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li>
<li id="fn:4"><p>See packagist.org <a href="https://packagist.org/" target="_blank">https://packagist.org/</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li>
<li id="fn:5"><p>"Command-line interface / Commands". getcomposer.org. <a href="https://getcomposer.org/doc/03-cli.md" target="_blank">https://getcomposer.org/doc/03-cli.md</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li>
<li id="fn:6"><p>"Versions and constraints - Composer". getcomposer.org. <a href="https://getcomposer.org/doc/articles/versions.md" target="_blank">https://getcomposer.org/doc/articles/versions.md</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li>
</ol>

Composer (software) open-in-new

Composer (software)