PHP Array Exercises : Merge two commas separated lists with unique value only
43. Merge Two Comma-Separated Lists with Unique Values
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:
For more Practice: Solve these Related Problems:
- Write a PHP script to take two comma-separated strings, merge them, and output a list of unique values separated by commas.
- Write a PHP function to parse two CSV strings, combine their elements, remove duplicates, and join them back to a string.
- Write a PHP program to merge two lists provided as strings and then use array_unique() to filter the merged values.
- Write a PHP script to concatenate two comma-separated lists, split them into an array, remove duplicate entries, and display the result.
Go to:
PREV : Unique Flattened Values from Multidimensional Arrays.
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