Split String and Number in PHP

Code:
<?php defined( 'BASEPATH' ) OR die('No direct script access allowed!');



class sms extends CI_Controller {



    public function __construct() {

        parent::__construct();

        $this->config->load('facebook');

        $this->load->library('form_validation');

        $this->load->library('encrypt');

        $this->load->model('countries');

        $this->load->helper('text');

        $this->load->model('sms_model');

    }

        public function index() {

    }



    public function sms_form(){





        $sender = ('sender');

        $body = $this->input->post('body');

        $numberofpages = ceil(strlen($body)/160);

        $sendscheduletime = '';

            if(isset($_POST['datepicker'])){

                $sendscheduletime .= $_POST['datepicker'];

            }

            if(isset($_POST['timepicker'])){



                $sendscheduletime .= ' ' .$_POST['timepicker'];

            };

        $route = $this->input->post('route');

        $category = $this->input->post('category');

        $recepientscount = $this->input->post('recepientscount');

        $recepients = $this->input->post('recepients');

        $contacts = explode(" ", $recepients);

        $receiver = $contacts[1];



        $sumcharge = $this->input->post('sumcharge');

        $sentstatus = $this->input->post('sentstatus');



        $sms_data = array(

            'body' => $body,

            'numberofpages' => $numberofpages,

            'sender' => 'inclusion',

            'sendscheduletime' => $sendscheduletime,

            'route' => $route,

            'category' => $category,

            'recepientscount' => $recepientscount,

            'receiver' => $receiver,

            'sumcharge' => $sumcharge,

            'sentstatus' => $sentstatus,

        );

        var_dump($sms_data);die;

         $this->sms_model->insert($sms_data);

         echo "Message Send Successfully....!!!!";

        // $this->load->view('modal_send_sms'); // Reloading after submit.

        // $this->redirect('outbox');

    }

}



/* End of file sms.php */