How to slice elements of an array?

Question

Algorithms

How to slice elements of an array? For example, there is an array that consists of 7 elements, after the performed operations, it is necessary to display the first 4 elements.

Answer 1

Isn't it: php.net/manual/en/function.array-slice.php ?

Answer 2

for ($i = 0; $i < 4; $i++) echo $a[$i];