Kapitola 25. Extension Possibilities

Obsah
External Modules
Built-in Modules
The Zend Engine

As shown in 24-1 above , PHP can be extended primarily at three points : external modules , built-in modules , and the Zend engine .

External Modules

To sum up, external modules are great for third-party products, small additions to PHP that are rarely used, or just for testing purposes. To develop additional functionality quickly, external modules provide the best results. For frequent usage, larger implementations, and complex code, the disadvantages outweigh the advantages.