PHP Workshop ‹#› PHP Data Object (PDO)

PHP Workshop ‹#› What is PDO? PDO is a PHP extension to formalise PHP's database connections by creating a uniform interface. This allows developers to create code which is portable across many databases and platforms. PDO is not just another abstraction layer like PEAR DB or ADOdb.

PHP Workshop ‹#› Why use PDO? Portability Performance Power Easy Runtime Extensible

PHP Workshop ‹#› What databases does it support? Microsoft SQL Server / Sybase Firebird / Interbase DB2 / INFORMIX (IBM) MySQL OCI (Oracle Call Interface) ODBC PostgreSQL SQLite

PHP Workshop ‹#› DSNs In general drivername: mysql:host=name;dbname=dbname odbc:odbc_dsn oci:dbname=dbname;charset=charset sqlite:/path/to/db/file sqlite::memory:

PHP Workshop ‹#› Connect to MySQL

PHP Workshop ‹#› Connect to SQLite (file)

PHP Workshop ‹#› Connect to SQLite (memory)

PHP Workshop ‹#› Connect to Oracle

PHP Workshop ‹#› Connect to ODBC

PHP Workshop ‹#› Close a Database Connection

PHP Workshop ‹#› Persistent PDO Connection Connection stays alive between requests $dbh = new PDO($dsn, $user, $pass, array( PDO_ATTR_PERSISTENT => true ) );

PHP Workshop ‹#› PDO Query (INSERT)

PHP Workshop ‹#› PDO Query (UPDATE)

PHP Workshop ‹#› PDO Query (SELECT)

PHP Workshop ‹#› Error Handling (1)

PHP Workshop ‹#› Error Handling (2)

PHP Workshop ‹#› Error Handling (3)

PHP Workshop ‹#› Error Handling (4)

PHP Workshop ‹#› Prepared statements

PHP Workshop ‹#› Transactions

PHP Workshop ‹#› Get Last Insert Id

PHP Workshop ‹#› Benchmark MySQL SELECT Benchmark Results, 1000 Requests LibraryConcurrencyTotal TimeRequests/Sec.Speedup ADOdb120.90/sec PDO10.73/sec % ADOdb /sec PDO500.54/sec % ADOdb /sec PDO /sec %

PHP Workshop ‹#› Questions