AllowedPackages example

  public function __construct(Composer $composer, IOInterface $io) {
    $this->composer = $composer;
    $this->io = $io;
    $this->manageOptions = new ManageOptions($composer);
    $this->manageAllowedPackages = new AllowedPackages($composer, $io, $this->manageOptions);
  }

  /** * Registers post-package events if the 'require' command was called. */
  public function requireWasCalled() {
    // In order to differentiate between post-package events called after     // 'composer require' vs. the same events called at other times, we will     // only install our handler when a 'require' event is detected.     $this->postPackageListeners[] = $this->manageAllowedPackages;
  }