Proxy configuration for OpenVBX & Twilio-PHP api library

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<?php

// template for setting CURL proxy options for OpenVBX
// add the configuration lines below to the file
// `OpenVBX/libraries/OpenVBX.php` on line 375 with the 
// config below and then enter the values for your Proxy

// proxy type
$_proxy_type = 'HTTP'; // proxy type
// The address of your proxy server
$_proxy_server = 'http://00.00.00.00/'; 
// The port that your proxy server runs on
$_proxy_port = '0000'; 
// your username & password for this server
// leave blank if the server doesn't require authentication
$_proxy_userpass = 'user:password'; 

$proxy_opts = array(
	CURLOPT_PROXY => $_proxy_server, 
	CURLOPT_PROXYPORT => $_proxy_port, 
	CURLOPT_PROXYTYPE => $_proxy_type
);
if (!empty($_proxy_userpass)) {
	$proxy_opts[CURLOPT_PROXYUSERPWD] = $_proxy_userpass;
}
$_http_opts['opts']['curlopts'] = array_merge($_http_opts['opts']['curlopts'], $proxy_opts);