The **`Ds\Set::merge()` function** in PHP is used to add all the given values to a set.
# 
## Syntax
The `Ds\Set::merge()` function can be declared as shown in the code snippet below:
```PHP
Ds\Set public Ds\Set::merge ( mixed $values ) 
```
* **`mixed $values`**: These are the values to be added to the set.

## Return value
The `Ds\Set::merge()` function returns the set after adding the given values to it.

> The values are not added to the original set. The values are added to a copy of the set and the original set remains unaffected.


## Example
Consider the code snippet below, which demonstrates the use of the `Ds\Set::merge()` function.

<?php

$s1 = new \Ds\Set([1, 2, 3]);
var_dump($s1->merge([4, 5]));

$s2 = new \Ds\Set(['a', 'b', 'c', 'd']);
var_dump($s2->merge(['e']));

?>

phpDS

## Explanation

+ In line 3, we declare a set `s1`.

+ In line 4, we add the given values to `s1` using `Ds\Set::merge()`.

+ In line 6, we declare another set `s2`.

+ In line 7, we add the given values to `s2` using `Ds\Set::merge()`.

The **`Ds\Set::merge()` function** in PHP is used to add all the given values to a set.
# 
## Syntax
The `Ds\Set::merge()` function can be declared as shown in the code snippet below:
```PHP
Ds\Set public Ds\Set::merge ( mixed $values ) 
```
* **`mixed ＄values`**: These are the values to be added to the set.

## Return value
The `Ds\Set::merge()` function returns the set after adding the given values to it.

> The values are not added to the original set. The values are added to a copy of the set and the original set remains unaffected.


## Example
Consider the code snippet below, which demonstrates the use of the `Ds\Set::merge()` function.

php.tar.gz

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

The Ds\Set::merge() function in PHP adds given values to a copy of a set, leaving the original set unchanged.