Nawab SMS PHP Class

NawabSMS.php

<?php

class NawabSMS
{
    const ERRORS = [
        '1'    => 'Request has been failed.',
        '101'  => 'Internal server error.',
        '108'  => 'Wrong password or Not provided.',
        '109'  => 'User is not found or deleted.',
        '114'  => 'Content is not provided.',
        '5400' => 'Source IP is not allowed.',
    ];

    /**
     * The credentials.
     *
     * @var array
     */
    private array $credential;

    /**
     * The API endpoint for the gateway.
     *
     * @var string
     */
    private string $endpoint;

    /**
     * Phone
     *
     * @var string|null
     */
    private ?string $recipient;

    /**
     * Message.
     *
     * @var string|null
     */
    private ?string $message;

    /**
     * NawabSMS constructor.
     */
    public function __construct($credential = [],  $endpoint = null)
    {
        $this->endpoint = $endpoint ?? 'http://api.nawabsms.com/sendtext';
        $this->credential = $credential;
    }

    /**
     * Phone numbers where to send.
     *
     * @param string $recipient
     *
     * @return self
     */
    public function to(string $recipient): self
    {
        $this->recipient = $recipient;

        return $this;
    }

    /**
     * Get receptions.
     *
     * @return string
     */
    protected function getRecipient(): string
    {
        return $this->recipient;
    }

    /**
     * The text to send.
     *
     * @param string $message
     *
     * @return self
     */
    public function message(string $message): self
    {
        $this->message = $message;

        return $this;
    }

    /**
     * Get Messages.
     *
     * @return string
     */
    protected function getMessage(): string
    {
        return $this->message;
    }

    /**
     * Send SMS.
     */
    public function send(): array
    {
        $params = http_build_query($this->prepareParams());
        $url = "{$this->endpoint}?{$params}";
        $response = file_get_contents($url);
        $data = json_decode($response, true);
        $error = self::ERRORS[$data['Status']] ?? null;

        if ($error !== null) {
            return [
                'status' => 'error',
                'message' => $error,
            ];
        }

        return [
            'status' => 'success',
            'message' => 'Your message has been sent.',
        ];
    }

    /**
     * Prepare parameters.
     *
     * @return array
     */
    private function prepareParams(): array
    {
        $params = [
            'toUser'         => $this->getRecipient(),
            'messageContent' => $this->getMessage(),
        ];

        return array_merge($this->credential, $params);
    }
}


$nawabSMS = new NawabSMS([
  'apikey' => '',
  'secretkey' => '',
  'callerID' => '', // Username, MaskID, or Phone Number
]);

$nawabSMS->to('01xxxxxxxxx')->message('Hi, this is test')->send();