The below program is to merge two arrays into a new array using PHP array_merge() function. The PHP echo statement is used to output the result on the screen. An array is a single variable which can store multiple values at a time. The PHP array_merge() function is used to merge one or more arrays into a single array.
$arr1 = array("London","Paris");
$arr2 = array("Switzerland","Scotland");
Array (  => London  => Paris  => Switzerland  => Scotland )