PHP - 无法连接到 MySQL 数据库

Question

I am trying to connect to my MySQL database through php, I am managing my Database with phpmyadmin. To login the username is root and I dont have a password. My problem is I cant connect, I get the "Could not connect to mySQL database" message when I try to

Below is my Code

 <?php

 session_start();

 $server = 'localhost';
 $db_usernmae = 'root';
 $db_password = '';
$database = 'househockey';


 if(mysql_connect($server, $db_usernmae, $db_password)){
die('Could not connect to mySQL database');
}

 if (mysql_select_db($database)) {
# code...
die('couldnt connect to database');
}

?>

Im not sure if it matters, but I am using WAMP and I put my phpmyadmin folder into my htdocs folder.

Thanks

Answer 1

As you have written your code :

if(mysql_connect($server, $db_usernmae, $db_password)){
    die('Could not connect to mySQL database');
}

This will when connection is true print the following: die('Could not connect to mySQL database'); I think what you need to test your connection, which sounds like it should work:

if(!mysql_connect($server, $db_usernmae, $db_password)){
    die('Could not connect to mySQL database');
}

The ! will negate the returned value of your mysql_connect and tell you if you're connected.

Answer 2

As far as I know, PMA explicitly needs a username and password. Set a root password through mysqladmin -u root password NEWPASSWORD and then change your PMA config, followed by a server restart. Alternatively, use MySQL workbench. It does more than create entity relationship diagrams (ERDs).

Answer 3

You may run into this problem if you have an anonymous user defined on your database.

"When a client tries to connect to the database, the MySQL server looks through the rows in the user table in a sorted order.

The server uses the first row that matches the most specific username and hostname."

Delete the anonymous user and try again.