Php calls python. how can this problem be solved?-php Tutorial

Php calls pythonphp and how to call functions written in python. I know this can be done through system calls. however, can I wrap python into a php module, just like php calling CC ++ ------ solution -------------------- custom interface for php to call. Soap, xml, and socket are all supported ------ solution ------------------ you use pyth php to call python
How does php call functions written in python? I know it can be done through system calls. but can I wrap python into a php module, just like php calls C/C ++?

------ Solution --------------------
Custom interface for php to call. Soap, xml, and socket
------ Solution --------------------
Write a cgi in python.