How-to articles, tricks, and solutions about REFERENCE

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