Sams Teach Yourself PHP in 24 Hours, Third Edition

Beneath the Abstraction

To use the DBA functions, you need to have one of the supported database systems installed. If you are running Linux, you probably have the GNU Database Manager (GDBM) installed. For each system, there is a corresponding compile option that should have been used when PHP was installed. You can see the supported databases and their corresponding compile options in Table 12.1.

Table 12.1. DBM Systems Supported by the DBA Functions

Type	Compile Option	Further Information
cdbm	--with-cdbm	Read-only database system
cdb	--with-cdb	Read/write when bundled version is used; no updates allowed
db2	--with-db2	http://www.sleepycat.com/
db3	--with-db3	http://www.sleepycat.com/
db4	--with-db4	http://www.sleepycat.com/ (since PHP 5)
dbm	--with-dbm	The original ...