CODE EXAMPLE FOR SHELL

Curl Get

public function sendSms($mobile)
{
  $message ='Your message';
  $url = 'www.your-domain.com/api.php?to='.$mobile.'&text='.$message;

     $ch = curl_init();
     curl_setopt($ch, CURLOPT_URL, $url);
     curl_setopt($ch, CURLOPT_POST, 0);
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

     $response = curl_exec ($ch);
     $err = curl_error($ch);  //if you need
     curl_close ($ch);
     return $response;
}