发生了Post错误:错误代码40005,微信返回错误信息:invalid file type，40005invalid_PHP教程

//file_put_contents(CONF_PATH.<span>'</span><span>img_</span><span>'</span>.$img[<span>'</span><span>id</span><span>'</span>].<span>'</span><span>.jpg</span><span>'</span>,file_get_contents($img[<span>'</span><span>pic</span><span>'</span><span>]));
$postMedia[</span><span>'</span><span>media</span><span>'</span>]=$_SERVER[<span>'</span><span>DOCUMENT_ROOT</span><span>'</span>].str_replace(<span>'</span><span>http://</span><span>'</span>.$_SERVER[<span>'</span><span>HTTP_HOST</span><span>'</span>],<span>''</span>,$img[<span>'</span><span>pic</span><span>'</span><span>]);</span>