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Pass by Reference

Explore how to pass variables by reference in PHP functions to modify original data directly. Understand the use of the ampersand symbol and see practical examples like swapping numbers, helping you manage memory and behavior in your PHP code.

What is Pass by Reference? #

When passing arguments by pass by reference, the original value is passed. Therefore, the original value gets altered. In pass by reference, we actually pass the value using ampersand sign &. The additional ...