Python go php function parameter Delivery summary

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Php

Parameter pass equivalence assignment operation

The array defaults to a deep copy and can be added & to refer to the pass

Object By default is a shallow copy similar to a reference pass

Other default is deep copy

Python

All types are objects

Objects in Python have variable objects (number,string,tuple, etc.) and immutable objects (LIST,DICT, etc.)

1. The immutable object is used as a function parameter, equivalent to the value of the C-system language.
2. A mutable object is a function parameter, which is equivalent to a reference pass in a C-system language.

Go

All types are also objects

Reference passing is implemented by pointers

Other defaults are value passing