What is the difference between IMPLODE & JOIN

Question

What is the difference between IMPLODE & JOIN as both works the same way.

Answer 1

Join: Join is an Alias of implode().

Example:

Output: Test1,Test2,Test3.

Implode: implode Returns a string from array elements.

Example:

Output: Test1,Test2,Test3.

UPDATE:

I tested them in Benchmark and they are same in speed. There is no difference between them.