Drupal 通过cURL Post方式发送一个文件

<?php
$url = ‘http://blog.lixiphp.com/demo/http_request/post.php’;
$ch = curl_init();
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_VERBOSE, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, true);
$post = array(
‘username’ => ‘lixiphp’,
‘password’ => ’123456′,
‘rememberme’ => ’1′,
‘avatar’=> ‘@’.$filename,
);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
$response = curl_exec($ch);

$response