Merge branch 'examples'

* examples:
  Add Twitter post tweet example

Author: zachborboa

examples/twitter_post_tweet.php

@@ -0,0 +1,35 @@
+<?php
+require '../src/Curl.class.php';
+
+
+define('API_KEY', 'XXXXXXXXXXXXXXXXXXXXXXXXX');
+define('API_SECRET', 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX');
+define('OAUTH_ACCESS_TOKEN', 'XXXXXXXX-XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX');
+define('OAUTH_TOKEN_SECRET', 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX');
+
+$status = 'I love php curl class. https://github.com/php-curl-class/php-curl-class';
+
+$oauth_data = array(
+    'oauth_consumer_key' => API_KEY,
+    'oauth_nonce' => md5(microtime() .  mt_rand()),
+    'oauth_signature_method' => 'HMAC-SHA1',
+    'oauth_timestamp' => time(),
+    'oauth_token' => OAUTH_ACCESS_TOKEN,
+    'oauth_version' => '1.0',
+    'status' => $status,
+);
+
+$url = 'https://api.twitter.com/1.1/statuses/update.json';
+$request = implode('&', array(
+    'POST',
+    rawurlencode($url),
+    rawurlencode(http_build_query($oauth_data, '', '&', PHP_QUERY_RFC3986)),
+));
+$key = implode('&', array(API_SECRET, OAUTH_TOKEN_SECRET));
+$oauth_data['oauth_signature'] = base64_encode(hash_hmac('sha1', $request, $key, true));
+$data = http_build_query($oauth_data, '', '&');
+
+$curl = new Curl();
+$curl->post($url, $data);
+
+echo 'Posted "' . $curl->response->text . '" at ' . $curl->response->created_at . '.' . "\n";