How to connect a database with your PHP code

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Connecting a database to your web application is essential to interact with data dynamically and effectively. PHP , as a widely used programming language in web development, offers several tools and functions to interact with databases easily and securely. In this article, we will explore the steps required to connect a database with your PHP code.

Table of contents

Step 1: Database Setup
Step 2: Installing Database Drivers
Step 3: Establishing the connection
Step 4: Execute SQL queries
Step 1: Database Setup
Before you connect your database with PHP, you'll dentist database to make sure you have a database set up and ready to use. This involves choosing a database management system (DBMS), such as MySQL , PostgreSQL , or SQLite , and creating a database along with the necessary tables and appropriate user permissions.

Step 2: Installing Database Drivers
PHP supports several database drivers that act as intermediaries between your PHP code and the database server. Depending on the DBMS you are using, you will need to ensure that the appropriate driver is installed and enabled on your web server. For example, if you are using MySQL, you can install the MySQLi or PDO driver.

Step 3: Establishing the connection
Once you have configured your database and ensured that the database driver is installed, you can proceed to establish the connection from your PHP code . Here is an example of how to do this using the MySQLi driver:

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