<!DOCTYPE html> <html lang="en"> <head> <title>PHP Array Operators-aimtocode</title> </head> <body> <?php $x = array("a" => "Red", "b" => "Green", "c" => "Blue"); $y = array("u" => "Yellow", "v" => "Orange", "w" => "Pink"); $z = $x + $y; // Union of $x and $y var_dump($z); echo "<hr>"; var_dump($x == $y); echo "<br>"; var_dump($x === $y); echo "<br>"; var_dump($x != $y); echo "<br>"; var_dump($x <> $y); echo "<br>"; var_dump($x !== $y); ?> </body> </html>