In PHP, the Ds\Set::union()
function is used to find the union of two sets. The union of two sets is a set that contains all the elements that are present either in the first set or the second set.
The Ds\Set::union()
function can be declared as shown in the code snippet below:
Ds\Set public Ds\Set::union ( Ds\Set $set )
The Ds\Set::union()
takes the following parameter:
set
: This is the second set that takes union with the first set.The Ds\Set::union()
function returns the union of the sets, that is, a set containing the elements that are present in the first or second set.
Let’s look at the code snippet given below, which demonstrates the use of the Ds\Set::union()
function:
<?php$set1 = new \Ds\Set([1, 2, 3, 4]);$set2 = new \Ds\Set([3, 4, 5, 6]);echo("Union of set1 and set2: \n");print_r($set1->union($set2));?>
set1
.set2
.Ds\Set::union()
function to find the union of set1
and set2
.