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
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.
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).
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.
Related
So I've been trying to solve this problem for a couple of hours now. And I have to make something clear.
I can access the mySQL database from terminal using
mysql -u root
I can also access the database from mySQL workbench
My root user on mySQL has no password
Now my code online is pretty simple. It is PHP calling the mysqli
<?php
$database = "myDatabase";
// Create new connection
$conn = new mysqli("localhost", "root", "", $database);
if ($conn -> connect_error) {
die ("Something went wrong: " . $conn -> connect_error);
} else {
echo "It works";
}
?>
Now I always get the error code
Something went wrong: Access denied for user 'root'#'localhost' (using password: NO)
If I could get any help that would be greatly appreaciated. I've already tried to grant access but I think I'm doing it wrong.
mysqli_connect may be interpreting the empty password as no password at all
using password: NO
Either try to set a password for the root user, or create a new user with a password. And via Tripp Kinetics comment, make sure the permissions are set properly for the new user.
I'm working for an e-commerce that has the db on phpmyadmin. In another website I'd like to connect to that database. I have password, username and db name, so I'm using this "connection string":
<?php
$nomehost = "localhost";
$nomeuser = "user";
$password = "pass";
// connection
$conn=mysql_connect($nomehost,$nomeuser,$password);
if (!$conn) exit ("Error connection<br>");
// db name
if (!mysql_select_db("db_name",$conn)) exit("Error db name<br>");
?>
The result is "Error db name". What can I do? Have I to set some oprion in the phpmyadmin?
First of all:
this error is caused by the fact that you are selecting the wrong database in your MySql server. Is your db called db_name???
EDIT: based on the comments you are making: is the server that hosts the php page the same as the mysql server?
Then:
phpmyadmin is just a tool to connect and handle MySql databases and is not a database server itself.
Last but most important:
you are using a deprecated library (mysql) in php to connect to a MySql server. Please consider moving to mysqli or better to PDO
The following code successfully connects me to my mySQL database.
$conn = mysql_connect("localhost", "root", "") or die("Failed to Connect!");
$db = mysql_select_db("MyDB");
I have been experimenting on localhost using XAMPP and phpmyadmin, and everything works correctly. However, today I uploaded my website to my domain (I have bought a domain and web hosting through GoDaddy) and I keep getting "Failed to Connect!" whenever this code runs. The HTML/CSS work correctly, but I cannot connect to mySQL. How can I connect to my database on the server?
You'll need to change your connection information here:
mysql_connect("localhost", "root", "")
to include your GoDaddy database details instead. Contact GoDaddy for more information on what to use for your account.
You have not mentioned anything about MySQL database hosting.
If you are hosting the database also in godaddy, you should be able to get the connection string and host name from information mentioned here
First, You need to create database in your hosting server (phpmyadmin cpanel) and supply details in your database connect file.
**Looking at your database credentials I can say that you haven't created one yet since
the username is definitely not 'root' and password will be required.**
Sample db_connect file:
<?php
$hostname = 'e.g: internal-ra.db-server-123';
$username = 'e.g: serverone1234d4';
$password = 'e.g: your_own_password';
try {
$pdo = new PDO("mysql:host=$hostname;dbname=database_name_here", $username, $password);
/*** echo a message saying we have connected ***/
}
catch(PDOException $e){
echo 'Exception -> ';
var_dump($e->getMessage());
}
?>
And try to use so less as possible the key DIE()
I am very new to php, and am sorry if this question turns out to be too vague, but if there is any other information that you need from me let me know.
Anyway, basically what my problem is I have some simple php code that should call die() if it can't connect to the xampp server I have set up, however, even if I put in invalid info for the server or user it prints Successful. I really don't know where to go with this, so if anyone has any suggestions that would be great.
<?php
$dbhost = 'localhost';
$dbuser = 'root';
$dbpass = '';
if ( !mysql_connect($dbhost, $dbuser, $dbpass) )
{
die(mysql_error());
}
else
echo 'Succesful';
?>
Ok for some reason it was just not working with the root user, so I created a new user who required a password and apparently that connected like it was supposed to. Thanks everyone for the answers.
Your code is correct pistolpete333. For your root user issue, that your not able to connect with root user you can check below file for your phpmyadmin configuration
C:\wamp\apps\phpmyadmin3.5.1\config.inc.php.
In above file you can check your host, username and password of phpmyadmin.
I have found that when trying to connect php to an xampp server there are usually only a few things that could cause the issue you are having.
1. mySQL service is not running
2. no specific database is selected to try to access
3. user does not exist in phpmyadmin.
When you pick a user to connect php to mySQL with you should always make sure that a password is set, that is usually the thing people miss. You can use root if you create another instance of it in the user list and require a password, or you can add a password to the root user already in the list, but the best option is to create a new custom user that only has access to the database you want to access with your php and make sure it has a password required. (make sure any user you use can connect with localhost; root can by default and I think most newly created users can as well).
Below is the php I use for websites I design that need php to access a DB.
<?php
// This configures the variables for database access
$dbhost = 'localhost';
$dbuser = '????';
$dbpass = '????';
$dbname = '????';
// This will connect to the server and then the correct database
$conn = mysql_connect($dbhost, $dbuser, $dbpass) or die ('Error connecting to mysql');
mysql_select_db($dbname);
?>
This is working because you have specified valid username, host and password to mysql. If you specify wrong password, you get mysql error. This code works and connects to the mysql server though you have not selected any database.
Try this code instead
<?php
$dbhost = 'localhost';
$dbuser = 'root';
$dbpass = '';
$link = mysql_connect($dbhost, $dbuser, $dbpass);
if (!$link) {
die('Not connected : ' . mysql_error());
}
// make foo the current db
$db_selected = mysql_select_db('foo', $link); //foo is your database name
if (!$db_selected) {
die ('Can\'t use foo : ' . mysql_error());
}
?>
I’ve just finished writing a website which is working very well on my local server (xampp).
The following is my connection database definitions for the local server:
<?php
$host="localhost";
$username="root";
$password="1234";
$db_name="partnership";
mysql_connect("$host", "$username", "$password")or die("cannot connect");
mysql_select_db("$db_name")or die("cannot select DB");
?>
I’ve loaded my files successfully and put them on the remote server (www.mydomain.com) and I’ve created the relevant database ‘partnership’ (successfully imported all Tables from phpMySQL local server to the remote server).
I can view the website (www.mydomain.com) but with no connection to the database (MySQL).
The error message is of course "cannot connect".
I’ve changed $host="localhost" to $host=”www.mydomain.com” but still getting the same error message.
Any assistance on the above issue would be greatly appreciated.
Shouldn't you still use localhost as $host if you're trying to connect via the application? The script is on the same server as the DB.
If you are using cPanel, when you create the MySQL table, make sure you assign your user to it (trivial, I know, but Ive forgotten about it a few times myself.)
If your script is running from your remote server, just stick with localhost. Will work fine.
Last, my only suggestion until a better answer is said, try using
$host = 'localhost';
$user = 'username'; // Im pretty sure your username isn't root.
$pass = '1234';
$db = 'partnership';
/* Alot of hosts like to append your cPanel login to your db and username fields.
Check to see what your table is. It might actually be 'youruser_partnership' */
$mysqli = new mysqli($host, $user , $pass, $db);
if (mysqli_connect_error()) {
die('Connect Error (' . mysqli_connect_errno() . ') ' . mysqli_connect_error());
}
If your host supports mysqli (most do). If not, when you do your die statement, still use die(mysql_error()); to get the exact error. It will more than likely be your username/password you created and assigned to your database
Ah, this is always the most annoying part of the process. Try this and see if it works:
$host="127.0.0.1"; // "localhost" should work, but don't count on it
$username="user"; // username you use to log into phpMyAdmin
$password="password"; // password you use to log into phpMyAdmin
$db_name="dbname"; // database you want to connect to
You'll need to have created this user/password pair and given them the appropriate permissions to access the database. Also note that the mysql PHP functions are deprecated and should not be used. PDO or mysqli are the preferred ones going forward.