The error means that the first parameter of mysqli in my 167 is wrong? Is there something wrong... I don’t quite understand
The error means that the first parameter of my 167 mysqli is wrong? Is there still a problem... I don’t quite understand
<code class="php">$link=connect2(); var_dump($link);</code>
Check if your link is an instance of mysqli
, that is, if it is similar
<code>function connect2(){ return new mysqli("localhost", "xxx", "xxx", "xxx_db"); }</code>
http://php.net/manual/zh/mysq...