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How to find Union of Two Sets in PHP - Step by Step Examples

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How to find Union of Two Sets in PHP ?

Answer

In PHP, you can find the union of two sets using the array_merge function or the union operator.

✐ Examples

1 Union of Two Sets using array_merge Function

In this example,

We create two arrays representing sets named $set1 and $set2.
We use the array_merge function to merge $set2 into $set1.

PHP Program

<?php
$set1 = [1, 2, 3];
$set2 = [3, 4, 5];
$union = array_merge($set1, $set2);
print_r($union);

Output

[1, 2, 3, 3, 4, 5]

2 Union of Two Sets using Union Operator

In this example,

We create two arrays representing sets named $set1 and $set2.
We use the union operator (+) to merge $set2 into $set1.

PHP Program

<?php
$set1 = [1, 2, 3];
$set2 = [3, 4, 5];
$union = $set1 + $set2;
print_r($union);

Output

[1, 2, 3, 4, 5]

Summary

In this tutorial, we learned How to find Union of Two Sets in PHP language with well detailed examples.

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