grocy/services/ApplicationService.php

<?php

namespace Grocy\Services;

class ApplicationService extends BaseService
{
	private $InstalledVersion;
	public function GetInstalledVersion()
	{
		if ($this->InstalledVersion == null)
		{
			$this->InstalledVersion = json_decode(file_get_contents(__DIR__ . '/../version.json'));
		}

		return $this->InstalledVersion;
	}
}