<?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 
      ) 
)