Credentials are required php twilio

I’m trying to use Twilio’s API to send a sms with PHP.
I followed the tutorial as it is presented on their website but it doesn’t work. I correctly replaced the $sid, $token, “from number” and “to number” variables. I also tested it with Phyton and it worked correctly, but with PHP I get the following error:

SMS from web application

I just want to send SMS from my web application in PHP. Can anyone tell me how to do this? What all things I need to do for this? Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help you solve the issue immediately. So please … Read more