This article describes several methods to connect to a MySQL database using PHP: Show
The MySQL databases and users must already exist before you can use these methods. For information about how to manage MySQL databases using cPanel, please see this article. Table of Contents
Method #1: Connect to MySQL using MySQL ImprovedThe MySQL Improved extension uses the mysqli class, which replaces the set of legacy MySQL functions. To connect to MySQL using the MySQL Improved extension, follow these steps:
Method #2: Connect to MySQL using PHP Data Objects (PDO)The MySQL Improved extension can only be used with MySQL databases. PDO, on the other hand, abstracts database access and enables you to create code that can handle different types of databases. To connect to MySQL using PDO, follow these steps:
Method #3: Connect to MySQL using legacy PHP functionsThe original PHP MySQL functions (whose names begin with mysql_) are deprecated in PHP 5.5, and will eventually be removed from PHP. Therefore, you should only use these functions when absolutely necessary for backward compatibility. If possible, use the MySQL Improved extension or PDO instead. To connect to MySQL using the legacy PHP MySQL functions, follow these steps:
Connecting to remote MySQL databases using PHPThe previous examples all assume that the PHP script runs on the same server where the MySQL database is located. But what if you want to use PHP to connect to a MySQL database from a remote location? For example, you may want to connect to your A2 Hosting database from a home computer or from another web server. To do this, you need to do two things:
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How many ways can MySQL connect to PHP?There are two popular ways to connect to a MySQL database using PHP: With PHP's MySQLi Extension. With PHP Data Objects (PDO)
How do I connect to MySQL database?To Connect to a MySQL Database. Click Services tab.. Expand the Drivers node from the Database Explorer. ... . Enter User Name and Password. ... . Click OK to accept the credentials. ... . Click OK to accept the default schema.. Right-click the MySQL Database URL in the Services window (Ctrl-5).. How connect MySQL database from another server in PHP?In the control panel's Homepage go the databases section and click the Remote MYSQL option. Then add the Ip address of the Server A and click on add host. Now you can access to the database in Server B while your scripts are running in Server A.
Can we connect to any database from PHP?PDO will work on 12 different database systems, whereas MySQLi will only work with MySQL databases. So, if you have to switch your project to use another database, PDO makes the process easy. You only have to change the connection string and a few queries.
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