php微信开发之上传临时素材

$TOKEN=$this->getAccessToken();
$URL ='http://file.api.weixin.qq.com/cgi-bin/media/upload?access_token='.$TOKEN.'&type=image';
$data = array('media'=>'@'.$imgUrl);
$result = $this->curl_post($URL,$data);
$data = @json_decode($result,true);

return $data['media_id'];
}

public function getAccessToken(){

$url = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=wxe574b1bd35d7d4da&secret=d4624c36b6795d1d99dcf0547af5443d';

$result = json_decode($this->curlGet($url),true);

return $result['access_token'];
}

function curl_post($url,$data = null)
{
//创建一个新cURL资源
$curl = curl_init();
//设置URL和相应的选项
curl_setopt($curl,CURLOPT_URL,$url);
if (!empty($data)){
curl_setopt($curl,CURLOPT_POST,1);
curl_setopt($curl,CURLOPT_POSTFIELDS,$data);
}
curl_setopt($curl,CURLOPT_RETURNTRANSFER,1);
//执行curl，抓取URL并把它传递给浏览器
$output = curl_exec($curl);
//关闭cURL资源，并且释放系统资源
curl_close($curl);
return $output;
}

'image','media_id' => 'W89mt3FEaxXOMOw0fLj2Cb6A8vfMjuXrj6XW59O3l9a7Tj_h2SjlBEr4dvp4Du2R','created_at' => 1464140301,