[concrete5] Override core components by Package

controller.php

<?php

defined('C5_EXECUTE') or die(_("Access Denied."));

class OverrideTestPackage extends Package {
	
	protected $pkgHandle = 'override_test';
	protected $appVersionRequired = '5.6.2';
	protected $pkgVersion = '0.0.1';
	
	public function getPackageDescription() {
		return '';
	}
	
	public function getPackageName() {
		return 'Override Test';
	}
	
	public function on_start() {
		$env = Environment::get();
		$env->overrideCoreByPackage('elements/header_required.php', $this);
	}
	
}