Send SMS to Twilio without the sdk (simplified version)

twilio_sms.php

/**
 * You need to know it's better to use the always up-to-date sdk from Twilio
 * This is just a snippet that demonstrate how to send an sms to Twilio using curl.
 * It works well though ;)
 */

function twilio($to, $message) {
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, str_replace('{auth_key}', TWILIO_KEY, 'https://api.twilio.com/2010-04-01/Accounts/{auth_key}/Messages.json'));
	curl_setopt($ch, CURLOPT_TIMEOUT, 5);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
	curl_setopt($ch, CURLOPT_USERPWD, TWILIO_KEY.':'.TWILIO_TOKEN);
	curl_setopt($ch, CURLOPT_POST, true);
	curl_setopt($ch, CURLOPT_POSTFIELDS, array(
		'From' => TWILIO_PHONE,
		'To' => $to,
		'Body' => $message
	));

	$result = curl_exec($ch);
	$status_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);   //get status code
	curl_close ($ch);

	return (substr($status_code, 0, 1) === '2');
}