PHP Array Exercises : Merge two commas separated lists with unique value only

PHP Array: Exercise-43 with Solution

Write a PHP script to merge two commas separated lists with unique value only.

Sample Solution:

PHP Code:

<?php
// Define two comma-separated lists as strings
$list1 = "4, 5, 6, 7";
$list2 = "4, 5, 7, 8";

// Combine both lists with unique values only
// Explode the strings into arrays, merge them, remove duplicates, and implode back into a string
$result = implode("," , array_unique(array_merge(explode(",",$list1),explode(",", $list2))));

// Display the result
echo $result."\n";
?>

Output:

4, 5, 6, 7, 8

Flowchart:

PHP Code Editor:

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