Initial commit

lib/PayPal/Common/UserAgent.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace PayPal\Common;
+
+define('SDK_NAME', 'REST-SDK-PHP');
+define('SDK_VERSION', '0.5.0');
+
+class UserAgent {
+
+	/**
+	 * 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));
+	}
+	
+	private static function _getPHPBit() {
+		switch(PHP_INT_SIZE) {
+			case 4:
+				return '32';
+			case 8:
+				return '64';
+			default:
+				return PHP_INT_SIZE;
+		}
+	}
+}