How to consume a json Rest API with PHP using PHP Curl

app.php

<?php

$ch = curl_init();
curl_setopt($ch, CURLOPT_HTTPHEADER, array("user-agent: my app")); 
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_URL, "https://api.github.com/repos/twilio/twilio-php/contributors");

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

print_r(json_decode($result, true));