php attach array to another code example

Example 1: copy php array to another

$arr1 = ['a'=>1, 'b'=>2, 'c'=>3];
$arr2 = $arr1;

unset($arr2['a'];
print_r($arr1);
//['b'=>2, 'c'=>3]
// ------- OR -------
$arr2 = clone $arr1;

unset($arr2['a'];
print_r($arr1);
//['a'=>1, 'b'=>2, 'c'=>3]

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+ '"/>';