Write a PHP function to set union of two arrays

Introduction

PHP is a server scripting language, and It is a powerful tool for making interactive and dynamic Web-pages. I have used WampServer 2.2 for following excercise..


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  1. <?php
  2. function array_union($x, $y)
  3. {
  4. $aunion= array_merge(
  5. array_intersect($x, $y),
  6. array_diff($x, $y),
  7. array_diff($y, $x)
  8. );
  9. return $aunion;
  10. }
  11. $p = array(1, 2, 3, 4,5);
  12. $r = array(2, 3, 4, 5, 6,7,8);
  13. print_r(array_union($p, $r));
  14. ?>

Result

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