adding array to already existing array php code example

Example 1: php add item to array

<?php
  $z = ['me','you', 'he'];
  array_push($z, 'she', 'it');
  print_r($z);
?>

Example 2: how to append one array to another array in php

((data.userDetails.profile_picture === null) ||(data.userDetails.profile_picture===undefined))? picture ='<div><img src="http://commondatastorage.googleapis.com/codeskulptor-assets/lathrop/nebula_brown.png"' :
          picture = '<img src="'+data.userDetails.profile_picture+ '"/>';