PHP with MySQL 8 0 error The server requested authentication method unknown to the client

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I'm running MySQL version 8 on PHP 7.0.

when I try to connect to my database from PHP I'm getting the following error:

Connect Error: SQLSTATE[HY000] [2054] The server requested authentication method unknown to the client

PHP show this error:

Warning: mysqli_connect(): The server requested authentication method unknown to the client [caching_sha2_password] in D:\xampp\htdocs\reg\server.php on line 10

How can I fix this problem?

Jun 18, 2022 in PHP by narikkadan
 • 63,600 points • 1,164 views

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