public static function getVersion()
{
if (self::$versionRetrieved) {
return self::$version;
}
self::$versionRetrieved = true;
$location = app_path() . DIRECTORY_SEPARATOR . "version";
if (!is_readable($location)) {
return null;
}
$lines = file($location);
if ($lines === false || count($lines) < 1) {
return null;
}
$version = trim($lines[0]);
self::$version = $version;
return $version;
}
