curl格式

/* 使用exec函數 */
$command = 'curl -F media=@'.$filepath.' "https://api.weixin.qq.com/cgi-bin/media/upload?access_token=ACCESS_TOKEN&type=image"';
$retval = array();
exec($command, $retval, $status);
$params = array();
$params = json_decode($retval[0],true);
if ($status != 0) {
  $params = array(
    'errcode'  => '-100',
    'errmsg'  => '公衆號服務出錯，請聯繫管理員',
  );
}
return $params;

/* 使用system函數 */
$command = 'curl -F media=@'.$filepath.' "https://api.weixin.qq.com/cgi-bin/media/upload?access_token=ACCESS_TOKEN&type=image"';
$retval = 1;
$last_line = system($command, $retval);
$params = array();
$params = json_decode($last_line,true);
if ($retval != 0) {
  if (isset($params['errcode'])) {
    $params = array(
      'errcode'  => '-100',
      'errmsg'  => '公衆號服務出錯，請聯繫管理員',
    );
  }
}
return $params;