<?php
  $fruits = array('Apple','Banana','Mango');
  $fruits1 = array('Orange','Dragonfruit','Grape');
  array_push($fruits,$fruits1);
  print_r($fruits); exit();
?>

#HASIL RUNNING
Array (
[0] => Apple
[1] => Banana
[2] => Mango
[3] => Array (
      [0] => Orange
      [1] => Dragonfruit
      [2] => Grape
      )
)