An inference engine for PHP : php로 prolog 구현

InferenceBundle

An inference engine for PHP

This is a library for a Prolog Interpreter. Planned for a Symfony2 Bundle.

-- CURRENTLY UNDER HEAVY REFACTORING --

Nevertheless :

Prolog is an old language, frankly almost obsolete, and it has very limited use but it can simplify some problems with few lines. Its secrets ? It embeds an inference engine with forward chaining and unification.

Wikipedia says:

Prolog has its roots in first-order logic, a formal logic, and unlike many other programming languages, Prolog is declarative: the program logic is expressed in terms of relations, represented as facts and rules. A computation is initiated by running a query over these relations.

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For example, to implement some business intelligence algorithms, you can avoid big boring sequences of if-else-switch or a big bunch of Chain of Responsability in PHP with a limited (and readable) set of rules and predicates in Prolog.

This is a port from a (dead) js version https://github.com/crcx/chrome_prolog (kept by respect for its author)

Planning :

• classify all this bunch of functions : in progress
• refactor the model to be more PHP-like and not js-like : remove some weird objects and bizarre closures to protect access to internal methods.
• namespacing the classes
• using getters and setters (maybe not : perfs ?)
• create a builder to easily construct atom & term without parsing (really usefull ? )
• make a bundle for symfony2 because it is the most advance and mature framework for PHP

prolog php InferenceBundle-master.zip