Run composer from PHP code example

composer-from-php-code-example.php

<?php

/**
 * This is simple PHP script that shows how to use composer directly from your PHP code
 *
 * First thing what you need is to include composer/composer in your composer.json
 * and than you can use such code.
 */

use Composer\Console\Application;
use Composer\Factory;
use Symfony\Component\Console\Input\ArrayInput;
    
$input = new ArrayInput(
	array(
		'command' => 'install',
		'--working-dir' => './',
		'--no-interaction' => true,
		'--no-dev' => true,
		'--no-suggest' => true,
		'--optimize-autoloader' => true,
	  '-v' => true
  )
);
$application = new Application();
$application->setAutoExit(false);
// if you don't want to see any output you can remove Factory::createOutput() 
$exit_code = $application->doRun($input, Factory::createOutput());