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    To connect to a MySQL database using PHP, you can use either the MySQLi extension or PDO (PHP Data Objects). Both methods have their advantages and can be used based on your requirements.

    Using MySQLi

    Object-Oriented Approach

    The MySQLi extension provides an object-oriented way to connect to a MySQL database. Here is an example:

    <?php
    $servername = "localhost";
    $username = "username";
    $password = "password";

    // Create connection
    $conn = new mysqli($servername, $username, $password);

    // Check connection
    if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
    }
    echo "Connected successfully";
    ?>
    Cóipeáilte!

    In this example, we create a new mysqli object and check for any connection errors.

    Procedural Approach

    The MySQLi extension also offers a procedural API:

    <?php
    $servername = "localhost";
    $username = "username";
    $password = "password";

    // Create connection
    $conn = mysqli_connect($servername, $username, $password);

    // Check connection
    if (!$conn) {
    die("Connection failed: " . mysqli_connect_error());
    }
    echo "Connected successfully";
    ?>
    Cóipeáilte!
    What information do I need to connect to a MySQL database?
    Before connecting to a MySQL database, you need to have the following database information: MySQL data source name or DSN : Specify the address of the MySQL server. You can use an IP address or server name such as 127.0.0.1 or localhost. Database name: Indicate the name of the database to which you want to connect.
    mysqltutorial.org
    PHP
    https://www.php.net/manual/en/mysql.examples-basic
    PHP: MySQL extension overview example - Manual
  1. W3School
    https://www.w3schools.com › php › php_mysql_connect.aspAistrigh an toradh seo

    PHP MySQL Connect to database - W3Schools

    In this, and in the following chapters we demonstrate three ways of working with PHP and MySQL: 1. MySQLi (object-oriented) 2. MySQLi (procedural) 3. PDO
    Should I Use Mysqli Or PDO?

    If you need a short answer, it would be "Whatever you like". Both MySQLi and PDO have their advantages: PDO will work on 12 different database systems, whereas MySQLi will only work with MySQL databases. So, if you have to switch your …

    Mysqli Installation

    For Linux and Windows: The MySQLi extension is automatically installed in most cases, when php5 mysql package is installed. For installation details, go to:http://php.net/manual/en/mysqli.install…

    Open A Connection to MySQL

    Before we can access data in the MySQL database, we need to be able to connect to the server: Tip:A great benefit of PDO is that it has an exception class to handle any problems that may occur in our database queries. If an exception is thrown within th…

    Close The Connection

    The connection will be closed automatically when the script ends. To close the connection before, use the following:

  2. PHP
    https://www.php.net › manual › en › mysql.examples-basicAistrigh an toradh seo

    PHP: MySQL extension overview example - Manual

    MySQL extension overview example ¶ This simple example shows how to connect, execute a query, print resulting rows and disconnect from a MySQL database. Example #1 MySQL extension overview …

  3. w3htmlschool.com
    https://w3htmlschool.com › php-mysql-connection-step...Aistrigh an toradh seo

    PHP MySQL Connection – Step-by-Step Guide with Examples

    Learn how to establish a secure connection between PHP and MySQL. This guide covers MySQLi and PDO methods with examples

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  5. GeeksForGeeks
    https://www.geeksforgeeks.org › php › how-to-…Aistrigh an toradh seo

    How to make a connection with MySQL server using PHP

    23 Iúil 2025 · MySQLi is a connector function that connects the PHP app's backend to the MySQL database. It performs in the same way as the previous version, but …

  6. phoenixNAP
    https://phoenixnap.com › kb › connect-mysqlAistrigh an toradh seo

    How to Connect to MySQL Using PHP - phoenixNAP

    23 Aib 2024 · As a server-side scripting language, PHP has different ways to connect and interact with MySQL databases. This guide shows how to connect …

  7. youngpetals.com
    https://youngpetals.com › how-to-connect-php-…Aistrigh an toradh seo

    How to Connect PHP with MySQL Database - 2026

    29 Lún 2025 · Learn how to connect PHP to a MySQL database with our easy-to-follow guide. Get the code and steps you need to start building your web …

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  9. MySQL Tutorial
    https://www.mysqltutorial.org › php-mysql › php...Aistrigh an toradh seo

    PHP MySQL: Connect to MySQL Database - MySQL Tutorial

    In this tutorial, you will learn how to connect to MySQL database server using PHP PDO object.

  10. TutorialsPoint
    https://www.tutorialspoint.com › php_mysql › php_mysql...Aistrigh an toradh seo

    PHP & MySQL - Connect Database Example - Online Tutorials Library

    PHP provides mysqli contruct or mysqli_connect () function to open a database connection. This function takes six parameters and returns a MySQL link identifier on success or FALSE on failure.

  11. Tutorial Republic
    https://www.tutorialrepublic.com › php-tutorial › php...Aistrigh an toradh seo

    How to Connect to MySQL Server through PHP (MySQLi vs. PDO)

    In this tutorial you will learn how to connect to the MySQL database server using PHP.

  12. Hostinger
    https://www.hostinger.com › tutorials › how-to-c…Aistrigh an toradh seo

    How to connect PHP to MySQL database - Hostinger

    22 Noll 2025 · Our complete guide will show you how to connect PHP to MySQL database using two different methods: MySQLi and PDO. Complete scripts …

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