剛開始我是裝的PhP7.1 mysql8.0.17  就是連不上，看了好多說是升級PHP版本就好了。然後就是這樣了，試了好多方法還是不信

提示

PHP Warning:  mysqli_connect(): The server requested authentication method unknown to the client [caching_sha2_password] in

PHP Warning:  mysqli_connect(): (HY000/2054): The server requested authentication method unknown to the client in

PHP Warning:  mysqli_error() expects exactly 1 parameter,  mysqli_error() expects exactly 1 parameter,  mysqli_error() expects exactly 1 parameter,  mysqli#00000 : mysqli_connect(): The server requested