SMS.ir verification message sending class

<?php

namespace App\Helpers;

class SMS
{

    /**
     * Gets API Ultra Fast Send Url.
     *
     * @return string Indicates the Url
     */
    protected function getAPIUltraFastSendUrl()
    {
        return "api/UltraFastSend";
    }

    /**
     * Gets Api Token Url.
     *
     * @return string Indicates the Url
     */
    protected function getApiTokenUrl()
    {
        return "api/Token";
    }

    /**
     * Gets config parameters for sending request.
     *
     * @param string $APIKey API Key
     * @param string $SecretKey Secret Key
     * @param string $APIURL API URL
     *
     * @return void
     */
    public function __construct($APIKey, $SecretKey, $APIURL)
    {
        $this->APIKey = $APIKey;
        $this->SecretKey = $SecretKey;
        $this->APIURL = $APIURL;
    }

    /**
     * Ultra Fast Send Message.
     *
     * @param data[] $data array structure of message data
     *
     * @return string Indicates the sent sms result
     */
    public function ultraFastSend($data)
    {
        $token = $this->_getToken($this->APIKey, $this->SecretKey);
        if ($token != false) {
            $postData = $data;

            $url = $this->APIURL . $this->getAPIUltraFastSendUrl();
            $UltraFastSend = $this->_execute($postData, $url, $token);
            $object = json_decode($UltraFastSend);

            $result = false;
            if (is_object($object)) {
                $result = $object->Message;
            } else {
                $result = false;
            }
        } else {
            $result = false;
        }
        return $result;
    }

    /**
     * Gets token key for all web service requests.
     *
     * @return string Indicates the token key
     */
    private function _getToken()
    {
        $postData = array(
            'UserApiKey' => $this->APIKey,
            'SecretKey' => $this->SecretKey,
            'System' => 'php_rest_v_2_0'
        );
        $postString = json_encode($postData);

        $ch = curl_init($this->APIURL . $this->getApiTokenUrl());
        curl_setopt(
            $ch, CURLOPT_HTTPHEADER, array(
                'Content-Type: application/json'
            )
        );
        curl_setopt($ch, CURLOPT_HEADER, false);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $postString);

        $result = curl_exec($ch);
        curl_close($ch);

        $response = json_decode($result);

        $resp = false;
        $IsSuccessful = '';
        $TokenKey = '';
        if (is_object($response)) {
            $IsSuccessful = $response->IsSuccessful;
            if ($IsSuccessful == true) {
                $TokenKey = $response->TokenKey;
                $resp = $TokenKey;
            } else {
                $resp = false;
            }
        }
        return $resp;
    }

    /**
     * Executes the main method.
     *
     * @param postData[] $postData array of json data
     * @param string $url url
     * @param string $token token string
     *
     * @return string Indicates the curl execute result
     */
    private function _execute($postData, $url, $token)
    {
        $postString = json_encode($postData);

        $ch = curl_init($url);
        curl_setopt(
            $ch, CURLOPT_HTTPHEADER, array(
                'Content-Type: application/json',
                'x-sms-ir-secure-token: ' . $token
            )
        );
        curl_setopt($ch, CURLOPT_HEADER, false);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $postString);

        $result = curl_exec($ch);
        curl_close($ch);

        return $result;
    }
}


?>