Merge two 2 Dimensional json in php

Question

I have two Two Dimensional json.

[{"4":"213231.jpg"},{"5":"Cadbury 5 star Chocolate.jpg"}]

[{"1":"slider-1.png"},{"2":"slider-2.png"},{"3":"slider-3.png"},{"4":"slider-4.png"},{"5":"slider-5.png"}]

i want to merge this two arrays and i want the answer as

[{"1":"slider-1.png"},{"2":"slider-2.png"},{"3":"slider-3.png"},{"4":"213231.jpg"},{"5":"Cadbury 5 star Chocolate.jpg"}]

Answer 1

Try following:

$json1 = '[{"1":"slider-1.png"},{"2":"slider-2.png"},{"3":"slider-3.png"},{"4":"slider-4.png"},{"5":"slider-5.png"}]';
$json2 = '[{"4":"213231.jpg"},{"5":"Cadbury 5 star Chocolate.jpg"}]';

echo json_encode(array_merge(json_decode($json1), json_decode($json2)));

Output

[{"1":"slider-1.png"},{"2":"slider-2.png"},{"3":"slider-3.png"},{"4":"slider-4.png"},{"5":"slider-5.png"},{"4":"213231.jpg"},{"5":"Cadbury 5 star Chocolate.jpg"}]

Answer 2

Try this :

$json1 = '[{"1":"slider-1.png"},{"2":"slider-2.png"},{"3":"slider-3.png"},{"4":"slider-4.png"},{"5":"slider-5.png"}]';
$json2 = '[{"4":"213231.jpg"},{"5":"Cadbury 5 star Chocolate.jpg"}]';

$json1 = json_decode($json1);
unset($json1[4],$json1[5]);
$json1 = json_encode($json1);
echo json_encode(array_merge(json_decode($json1), json_decode($json2)));