Remove unnecessary json_encode() on post data when using json content-type

Author: zachborboa

examples/github_create_gist.php

@@ -9,14 +9,15 @@
 EOF;
 
 $curl = new Curl();
-$curl->post('https://api.github.com/gists', json_encode(array(
+$curl->setHeader('Content-Type', 'application/json');
+$curl->post('https://api.github.com/gists', array(
     'description' => 'PHP-Curl-Class test.',
     'public' => 'true',
     'files' => array(
         'Untitled.php' => array(
             'content' => $content,
         ),
     ),
-)));
+));
 
 echo 'Gist created at ' . $curl->response->html_url . "\n";

examples/gratipay_send_tip.php

@@ -22,7 +22,7 @@
 $curl = new Curl();
 $curl->setHeader('Content-Type', 'application/json');
 $curl->setBasicAuthentication(GRATIPAY_API_KEY);
-$curl->post('https://gratipay.com/' . GRATIPAY_USERNAME . '/tips.json', json_encode($data));
+$curl->post('https://gratipay.com/' . GRATIPAY_USERNAME . '/tips.json', $data);
 
 foreach ($curl->response as $tip) {
     echo $tip->amount . ' given to ' . $tip->username . '.' . "\n";