#       
## Overview
The **`Ds\Set::slice()` function** in PHP is used to return the subset of a given range.

## Syntax
The `slice()` function can be declared as shown in the code snippet below:
```php
Ds\Set public Ds\Set::slice ( int $ind [, int $len ] )
```
* **`ind`**: This is the starting index of the subset.
> **Note**: If `ind` is negative, then indexing of the set is started from the end of the set to its start.
* **`len`**: This is the length of the subset.

## Return value
The `slice()` function returns the subset of a given range.

## Example
The code snippet below demonstrates the use of the `slice()` function:

<?php  
   $s1 = new \Ds\Set([5, 10, 15, 20, 25, 30]);  
   
   print_r($s1->slice(2, 4));  
   print_r($s1->slice(3));  
?>

phpDS

## Explanation
* **Line 2**: We declare a set `s1`. 
* **Line 4**: We use the `slice()` function to get a subset of `s1` from index `0` of length `3`. 
* **Line 5**: We use the `slice()` function  to get a subset of `s1` from index `3` until the end of the set `s1`.

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What is the Ds\Set slice() function in PHP?

The Ds\Set::slice() function in PHP returns a subset of a Set based on specified indices and length.