public function testIsGsmConTextoGsm()
 {
     $gsm338 = new Gsm338();
     $this->assertEquals($gsm338->isGsm('probando'), true);
     $this->assertEquals($gsm338->isGsm('probandol lkd s €'), true);
     $this->assertEquals($gsm338->isGsm('probandol lkd s АТЕЛЬСТ'), false);
     $this->assertEquals($gsm338->isGsm('АТЕЛЬСТ'), false);
 }
 public function createCharset($text)
 {
     $gsm = new Gsm338();
     return $gsm->isGsm($text) ? $gsm : new Unicode();
 }