Detailed explanation of using PHP to call the WeChat interface to upload permanent materials

private $app_id = 'wx189ae9fa8816b131';
private $app_secret = '36f5f430c591acbae3505fe877733283';
const API_URL_PREFIX = 'https://api.weixin.qq.com/cgi-bin';
const MEDIA_FOREVER_UPLOAD_URL = '/material/add_material?';
const MEDIA_FOREVER_NEWS_UPLOAD_URL = '/material/add_news?';
const MEDIA_FOREVER_NEWS_UPDATE_URL = '/material/update_news?';
const MEDIA_FOREVER_GET_URL = '/material/get_material?';
const MEDIA_FOREVER_DEL_URL = '/material/del_material?';
const MEDIA_FOREVER_COUNT_URL = '/material/get_materialcount?';
const MEDIA_FOREVER_BATCHGET_URL = '/material/batchget_material?';

 /**
   * 获取图片素材接口
   */
  public function get_articles_action(){
   $token = $this->get_access_token();
   $list = $this->getForeverList($token,'image',0,20);
   echo json_encode($list);
  }
  get_access_token方法
  
  private function get_access_token() {
   $access_token = AWS_APP::cache()->get('access_token');
   if(!$access_token){
    error_log('get access_token from weixin ');
    $appId = $this->app_id;
    $appSecret = $this->app_secret;
    $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$appId&secret=$appSecret";
    $res = json_decode($this -> httpGet($url));
    $access_token = $res -> access_token;
    AWS_APP::cache()->set('access_token',$access_token,time()+3600);
   }else{
    error_log('get access_token from cache ');
   }
   error_log('access_token is :'.$access_token);
   return $access_token;
  }

 /**
  * 获取永久素材列表
  * @param $token
  * @param $type 类型有image,vedio和audio
  * @param $offset 起始位置，0表示从第一个
  * @param $count 个数，区间为0~20
  */
  public function getForeverList($token,$type,$offset,$count){
   $data = array(
    'type' => $type,
    'offset' => $offset,
    'count' => $count,
   );
   $result = $this->http_post(
         self::API_URL_PREFIX.self::MEDIA_FOREVER_BATCHGET_URL.'access_token='.$token,
         self::json_encode($data)
         );
   error_log('forever list is :'.$result);
   if ($result)
   {
    $json = json_decode($result,true);
    if (isset($json['errcode'])) {
    $this->errCode = $json['errcode'];
    $this->errMsg = $json['errmsg'];
    return false;
    }
    return $json;
   }
   return false;
  }

/**
 * 同步问答的文章到订阅号上接口
 */
public function index_action(){
 $article_list = $this->model('article')->get_articles_list(null, 1, 18, 'add_time DESC');
 $access_token = $this->get_access_token();
 $base_url = 'http://wenda.qiezilife.com/article/';
 foreach ($article_list as $key => $article){

  if($article['has_attach']){
   $attaches = $this->model('publish')->get_attach('article', $article['id'], 'max');
   foreach ($attaches as $i => $a){
    //过滤获取第一张图片
    if($a['is_image']){
     $attache = $a;
     break;
    }
   }

   $img = $attache['path'];
   $size = filesize($img);
   echo $img.',size is :'.$size;
   echo &#39;<br/>&#39;;
   $file_info = array(
    &#39;filename&#39; => $img,
    &#39;content-type&#39; => &#39;image/jpg&#39;, //文件类型
    &#39;filelength&#39; => $size
   );
   $upload_img_result = $this->upload_meterial($file_info,$access_token);
   $media_id = $upload_img_result;
   error_log(&#39;media_id is ===============>&#39;.$media_id);
  }else{
   $media_id = &#39;1PoTp0SqruwWu_HX0HR_jUp4STX5HSpYkibb1Ca8ZQA&#39;;
  }

  $articles =array();
  //上传图片成功了就开始上传图文
  $upload_article_data = array(
   &#39;title&#39; => $article[&#39;title&#39;],
   &#39;thumb_media_id&#39; => $media_id,
   &#39;author&#39; => &#39;茄子营养师&#39;,
   &#39;digest&#39; => &#39;茄子生活，你的品质生活指南&#39;,
   &#39;show_cover_pic&#39; => 1,
   &#39;content&#39; => $article[&#39;message&#39;],
   &#39;content_source_url&#39; => $base_url.$article[&#39;id&#39;]
  );

  $articles[] = $upload_article_data;

  $data = array(
   &#39;articles&#39; => $articles
  );
  $result= $this->uploadForeverArticles($access_token,$data);
  echo self::json_encode($result);
  error_log(&#39;upload_article result is : &#39;.json_encode($result));
  error_log(&#39;============================upload end============================&#39;);

  }
}

/**
 * 上传永久图文素材(认证后的订阅号可用)
 * 新增的永久素材也可以在公众平台官网素材管理模块中看到
 * @param array $data 消息结构{"articles":[{...}]}
 * @return boolean|array
 */
public function uploadForeverArticles($access_token,$data){
 error_log('post data is=======> '.self::json_encode($data));
 $url = self::API_URL_PREFIX.self::MEDIA_FOREVER_NEWS_UPLOAD_URL.'access_token='.$access_token;
 $result = HTTP::request($url, 'POST', self::json_encode($data));
 error_log('weixin return result is =====>'.$result);
 if ($result)
 {
  $json = json_decode($result,true);
  if (!$json || !empty($json['errcode'])) {
   $this->errCode = $json['errcode'];
   $this->errMsg = $json['errmsg'];
   return false;
  }
  return $json;
 }
 return false;
}

  /**
   * 请注意该方法必须保证php的版本在5.6以下，否则会爆40015错误
   */
  function upload_meterial($file_info,$access_token){
   $url="https://api.weixin.qq.com/cgi-bin/material/add_material?access_token={$access_token}&type=image";
   $ch1 = curl_init ();
   $timeout = 5;
   $real_path="{$file_info['filename']}";
   //$real_path=str_replace("/", "\\", $real_path);
   $data= array("media"=>"@{$real_path}",'form-data'=>$file_info);
   curl_setopt ( $ch1, CURLOPT_URL, $url );
   curl_setopt ( $ch1, CURLOPT_POST, 1 );
   curl_setopt ( $ch1, CURLOPT_RETURNTRANSFER, 1 );
   curl_setopt ( $ch1, CURLOPT_CONNECTTIMEOUT, $timeout );
   curl_setopt ( $ch1, CURLOPT_SSL_VERIFYPEER, FALSE );
   curl_setopt ( $ch1, CURLOPT_SSL_VERIFYHOST, false );
   curl_setopt ( $ch1, CURLOPT_POSTFIELDS, $data );
   $result = curl_exec ( $ch1 );
   echo &#39;<br/>&#39;;
   echo &#39;reulst is ==========>&#39;.$result;
   curl_close ( $ch1 );
   if(curl_errno()==0){
    $result=json_decode($result,true);
    //var_dump($result);
    return $result[&#39;media_id&#39;];
   }else {
    return false;
   }
  }

/**
 * POST 请求
 * @param string $url
 * @param array $param
 * @param boolean $post_file 是否文件上传
 * @return string content
 */
private function http_post($url,$param,$post_file=false){
 $oCurl = curl_init();
 if(stripos($url,"https://")!==FALSE){
  curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE);
  curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, false);
  curl_setopt($oCurl, CURLOPT_SSLVERSION, 1); //CURL_SSLVERSION_TLSv1
 }
 if (is_string($param) || $post_file) {
  $strPOST = $param;
 } else {
  $aPOST = array();
  foreach($param as $key=>$val){
   $aPOST[] = $key."=".urlencode($val);
  }
  $strPOST = join("&", $aPOST);
 }
 curl_setopt($oCurl, CURLOPT_URL, $url);
 curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1 );
 curl_setopt($oCurl, CURLOPT_POST,true);
 curl_setopt($oCurl, CURLOPT_POSTFIELDS,$strPOST);
 $sContent = curl_exec($oCurl);
 $aStatus = curl_getinfo($oCurl);
 curl_close($oCurl);
 if(intval($aStatus["http_code"])==200){
  return $sContent;
 }else{
  return false;
 }
}

{"errcode":41005,"errmsg":"media data missing hint: [3fSt_0048e297]"}