There are a few different ways to make a copy of a list in Python:
In Python, you can pass a variable by reference by using the & operator.
There are a few ways to copy a dictionary in Python, depending on the level of copying that you need.
Working with variables is an essential part of a developer’s life. In this snippet, we will demonstrate to you how to pass variables by reference with PHP.
In PHP, an ampersand is put before the function name for returning a reference to the variable instead of returning the value. Learn how to do that, here.
This error message is indicating that a value is being assigned to a variable by reference, which is not allowed in PHP version 5.4 or later