Array operator: Union (+)

SUBMITTED BY: henry1874w

DATE: June 12, 2017, 4:02 p.m.

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<!DOCTYPE html>
<html>
<body>

<?php
$x = array("a" => "red", "b" => "green");  
$y = array("c" => "blue", "d" => "yellow");  

print_r($x + $y); // union of $x and $y
?>  

</body>
</html>