![]() ![]() You can close any connection by setting the handle to null. $DBH stands for 'database handle' and will be used throughout this tutorial. Typically, you're only going to make a single connection-there are several listed to show you the syntax. You should always wrap your PDO operations in a try/catch and use the exception mechanism-more on this shortly. $DBH = new PDO("sqlite:my/database/path/database.db") īlock. $DBH = new PDO("mysql:host=$host dbname=$dbname", $user, $pass) $DBH = new PDO("sybase:host=$host dbname=$dbname", $user, $pass) $DBH = new PDO("mssql:host=$host dbname=$dbname", $user, $pass) # MS SQL Server and Sybase with PDO_DBLIB You'll notice that the first three are identical, other than the database type-and then SQLite has its own syntax. Below, you can see the method to connect to some of the most popular databases. PDO_ODBC (ODBC v3 (IBM DB2, unixODBC, and win32 ODBC))Īll of these drivers are not necessarily available on your system here's a quick way to find out which drivers you have: print_r(PDO::getAvailableDrivers()) Connectingĭifferent databases may have slightly different connection methods.PDO_INFORMIX (IBM Informix Dynamic Server). ![]() PDO_DBLIB (FreeTDS/Microsoft SQL Server/Sybase).Time of this writing, the following database drivers are available: The extension can support any database that a PDO driver has been written for. When it comes to database operations in PHP, PDO provides a lot of advantages over the raw syntax. It's written primarily for people currently using the mysql or mysqli extension to help them make the jump to This tutorial isn't meant to be a complete how-to on SQL. 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 (CRUD is an acronym for create, read, update, and delete-the basic manipulations for a database.) Introduction to PDO PDO-PHP Data Objects-are a database access layer providing a uniform method of access to multiple databases. On CodeCanyon, you will find CRUD generators and frameworks that will help you deliver That's where PHP CRUD generators and frameworks come in-they save you time by automatically generating all this repetitive code so you can focus on other parts of the app. Cicool: Page, Form, Rest API and CRUD Generatorĭatabase code is repetitive, but very important to get right. PDO Crud: Form Builder & Database Management Laravel Multi-Purpose Application: Sximo 6 ![]()
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