library validation phone number
#import library copy file Vphone.php in path application/libraries
#load library
$this->load->library('vphone');
#example validation phone number
$this->vphone->set_phone('09336505170');
$result = $this->vphone->check();
var_dump($result);
before or after set_phone
$this->vphone->set_type('IR')
IR is default
You can use ('IR' | 'ir') OR ('IR0098' | 'ir0098') OR ('IR+98' | 'ir+98')