Although PHP is not an artificial intelligence language, it is theoretically no problem to do artificial intelligence. I have compiled some PHP artificial intelligence libraries below.
1. NLPTools ( http://php-nlp-tools.com/ )
NLPTools is a PHP natural language processing Library. Can perform text classification, clustering and other operations.
2. Prediction Builder ( https://github.com/denissimon/prediction-builder )
A machine learning prediction library written in PHP, using linear regression algorithm.
3. AIML ( http://www.alicebot.org/aiml.html )
AIML is a markup language for building chatbot platforms, which can be called by PHP. 4. PHP
Classifier ( https://github.com/Dachande663/PHP-Classifier )
PHP Naive Bayesian Classification Library. 5. PHP
-FANN( https://github.com/bukka/php-fann )
PHP Artificial Neural Network Library.
6.ANN( http://ann.thwien.de/index .php?title=Main_Page )
PHP artificial neural network library.
7.PHP-ML(https://github.com/php-ai/php-ml )
PHP machine learning library for support vector machines, neural networks and other operations.