Examples:
新增图片素材
list($err, $res) = $api->add_material('image', '/website/me/data/img/fighting.jpg');
新增音频素材
list($err, $res) = $api->add_material('voice', '/data/img/song.amr');
新增视频素材
list($err, $res) = $api->add_material('video', '/website/me/data/video/2.mp4', '视频素材的标题', '视频素材的描述');
新增略缩图素材
list($err, $res) = $api->add_material('thumb', '/data/img/sky.jpg');
Result:
[
null,
{
media_id: "BZ-ih-dnjWDyNXjai6i6sbK8hTy_bs-PHtnLn8C-IAs",
url: "https://mmbiz.qlogo.cn/mmbiz/InxuM0bx4ZWgxicicoy2tLibV2hyO5hWT4VlHNI6LticmppBiaG12cJ8icDoSR83zFSKDAz8qnY1miatZiaX8pZKUaIt7w/0?wx_fmt=jpeg"
}
]