TextMarketer.php

<?php

use GuzzleHttp\Client;

class TextMarketer
{

    private $username;
    private $password;
    private $orig;

    /**
    * Constructor
    * @param string $username
    * @param string $password
    * @param string $orig
    */
    public function __construct($username, $password, $orig)
    {
        $this->username = $username;
        $this->password = $password;
        $this->orig = $orig;
    }

    /**
    * Send a text message using textMarketer
    * @param string $message
    * @param string $to
    * @return boolean
    * @throws Exception
    */
    public function sendText($message, $to)
    {
        $query = [
            'username'  =>$this->username,
            'password'  =>$this->password,
            'message'   =>$message,
            'orig'    => $this->orig,
            'number'    => $to
        ];
        try {
            $response = $this->request('GET', $query);
        } catch (\Exception $e) {
            throw new \Exception('Something went wrong sending the text');
        }

        if ($response->getStatusCode() == '200') {
            if (strpos((string)$response->getBody(), 'SUCCESS') !== false) {
                return true;
            } else {
                throw new \Exception((string)$response->getBody());
            }

        } else {
            throw new \Exception('Something went wrong sending the text');
        }
    }
    /**
    * do the request
    * @param string $verb
    * @param array $verb
    * @param string $endPoint
    * @return Guzzle responseObject
    */
    private function request($verb, $query, $endPoint = '')
    {
        $client = new Client(['base_uri' => 'https://www.textmarketer.biz/gateway/']);
        $response = $client->request(
                                    $verb,
                                    $endPoint,
                                    [ 'query' => $query]
                                );
        return $response;
    }
}