/**
* Returns the value of the User-Agent header
* Add environment values and php version numbers
*/
public static function getValue()
{
$featureList = array('Lang=PHP', 'V=' . PHP_VERSION, 'Bit=' . UserAgent::_getPHPBit(), 'OS=' . str_replace(' ', '_', php_uname('s') . ' ' . php_uname('r')), 'Machine=' . php_uname('m'));
if (defined('OPENSSL_VERSION_TEXT')) {
$opensslVersion = explode(' ', OPENSSL_VERSION_TEXT);
$featureList[] = 'Openssl=' . $opensslVersion[1];
}
if (function_exists('curl_version')) {
$curlVersion = curl_version();
$featureList[] = 'curl=' . $curlVersion['version'];
}
return sprintf("PayPalSDK/%s %s (%s)", SDK_NAME, SDK_VERSION, implode(';', $featureList));
}
