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Maybe someone did a tutorial that shows the important thing: Setting everything up and using it with MySQL?
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$pdo = new PDO($dsn, $user, $passwd); A new PDO object is created. We pass the constructor the data source name and the user name and password. The PDO class represents a connection between PHP and a database server.
PDO—PHP Data Objects—are a database access layer providing a uniform method of access to multiple databases. It doesn't account for database-specific syntax, but can allow for the process of switching databases and platforms to be fairly painless, simply by switching the connection string in many instances.
Description ¶ Prepares an SQL statement to be executed by the PDOStatement::execute() method. The statement template can contain zero or more named (:name) or question mark (?) parameter markers for which real values will be substituted when the statement is executed.
I think the article Why you Should be using PHP's PDO for Database Access is great. It is simple, clear, and organized.
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MySQL.com: Using MySQL with PDO
PHP.net: PHP Data Objects (PDO)
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