Liip\RMT\Action\ComposerUpdateAction::execute PHP Method

    public function execute()
    {
        $newVersion = Context::getParam('new-version');
        $composerFile = Context::getParam('project-root') . '/composer.json';
        if (!file_exists($composerFile)) {
            throw new \Liip\RMT\Exception("Impossible to file the composer file ({$composerFile})");
        }
        $fileContent = file_get_contents($composerFile);
        $fileContent = preg_replace('/("version":[^,]*,)/', '"version": "' . $newVersion . '",', $fileContent);
        file_put_contents($composerFile, $fileContent);
        $this->confirmSuccess();
    }