This small class was created by modyfing the nexmo-php-prawnsalad code hosted on GitHub.
You would need an API_KEY and API_SECRET from Nexmo as well as some credit in your account. If you don't have an account yet, open one! It's free and it comes with some free credits. Nexmo
Open example.php and modify the line 11 with your credentials:
$nexmo_voice = new NexmoVoice('aaaaa', 'bbbbb');
Where aaaaa is your Nexmo API Key and bbbbb is your Nexmo API secret. Also modify in line 14 the following:
$info = $nexmo_voice->sendVoice( '111111111', '222222222', 'Hello, World, from Nexmo','en-us', 'male', 1);
Where 1111111111 is your desitination phone number 222222222 is the number that will be displayed as caller-id.
After this upload your files to your server and execute example.php, you should received a call in your phone that will play the message Hello, World, from Nexmo
Refer to the class for more information and feel free to use the code as an starting point for your applications, more information available in NexmoTTS-docs
This library is not offitially supported by Nexmo and they might not even know of their existence. The software is provided as it is and without warranties. New changes and features will be added in a best effort basis but they shouldn't be exected and there are not guarantees. Use at your own risk.