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Simplified Guide on How to Connect MySQL to a PHP Website

MySQL and PHP are very important elements of the development of software applications. PHP is a programming language on which websites are built while MySQL is a highly popular database management system that is use for a website. Database management is very helpful for any business as it can handle huge data.

While creating your website, PHP allows users to connect and work with many databases. There are many databases that are paid and free and MySQL is one of the most popular ones. It is often use with PHP.

MySQL is a relational database management system that is free and open-source. It is the best fit for every industry because of its speed, ease of use, and scalability. For connecting the database to PHP, you should hire web developer UK with experience as they can make this process streamlined. It will help you to get smooth connectivity with the database MySQL.

How to connect MySQL to a PHP website?

PHP website can be connect to MySQL with three methods in the backend:

  • MySQL()
  • MySQLi
  • PDO


There are many security concerns with MySQL(). Since it frequently experiences SQL injection issues, you should avoid using this for your website database management.


MySQLi is use at the backend of PHP for database management. It is an API use as a connecting bridge to link the backend of the PHP website.


PDO or PHP Data Objects is an interface for the backend that manages communication with MySQL and PHP. It is a database abstraction layer that comes with simple and portable code.

Which one you should choose MySQLi or PDO

You should choose the method based on your data needs. If you need to shift or move your project to other databases, you should choose PDO as it comes with 12 database systems. 

MySQLi contains a procedural API when PDO does not. Both of them are object-oriented. MySQLi requires a complete rewriting of the code and you should choose one according to that.

A step-by-step guide to connecting MySQL to a PHP website

Here is a complete process of connecting MySQL to a PHP website:

Creating a MySQL database at localhost

Making a PHP to MySQL database is crucial once you have some familiarity with PHPMyAdmin. You can find the option to manage the database from a control panel that you have created. You can find your browser from localhost/PHPMyAdmin. It is also possible to find the option in the Admin panel if you have installed the XAMPP user interface.

You can also add the password and change it easily. Going to the user account you can easily manage the password change password database.  This password is use to connect the database to the PHP website.

It is also need to change the password database. There is no need to change the password if you need to access the database on the local host.

Read More – Technical Skills required to become a part of Data Center

Creating a database and folder

Once the password is ready, you need to go to the homepage of PHPMyAdmin. You will need to create a new database with the new button. The created database will be empty as it is create with no tables.

Now you need to create a folder in htdocs. For that, you need to find the folder where XAMPP is install and open the folder. You can rename it as well. XAMPP uses a folder to run a PHP website. If WAMP is install in your system you need to add a different folder in the C drive.

After that, you need to create a new PHP file and you need to rename it as well to keep it separate from the rest. Variables used in this are:

$bhost is the host that is used as localhost where the server is running. $dbuser is the username and $bpass is the password that is the same as used in PHPMyAdmin. $dbname is the name of the database.

Creating a new PHP file to check the database connection

You need to create a new PHP file to check the database connection and create a new PHP file to connect to the database and check it by going to localhost/practice/index.php in your browser. You should create a PHP file with the name index.PHP to connect it to the database.

This is how you can connect your database to the localhost of the PHP localhost. You can check the established connection with the db_connection.php file.

Potential errors with MySQLi and PDO

There can be some issues when you connect MySQL to a PHP website. You need to ensure you are using the correct passwords. The password should match the password in the database that is similar and can be use accordingly. In the absence of this, errors will be there.

You can examine the database information to ensure the accuracy of the password and connect to the MySQL server. If the name is not known, the process of linking MySQL to PHP will not go through. It is also important to ensure that localhost is the server’s name.

There might be other errors as well. You should check the error log file for assistance with resolving errors in the script directory.

Ensure smooth PHP-MySQL integration

It should be clear to you now how to connect a PHP script to MySQLi and PDO from the preceding contents. Many developers prefer PHP and MySQL because of their readability and code organization. It may be beneficial in the long term to learn both technologies. This makes it possible for you to create dynamic web pages with interactive features.

MySQLi and PDO both have several advantages. You should be aware that MySQLi is only employee with MySQL databases and also use the PHP development service for easy and hassle-free connections between MySQL and PHP websites.

You need expert assistance as the entire code will need to be rewritten if you want to move to a different database, though. The shift is significantly facilitate by PDO’s ability to interact with a wide range of databases.


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