php get json from array object code example

Example 1: return json in php

//code igniter
$query="qry";
$query = $this->db->query($query);
$res=$query->result();
return json_encode($res);

Example 2: php json request get value of an array element

<?php
$jsonurl = "https://reqres.in/api/users?page=2";
$json = file_get_contents($jsonurl);
$jsonDecode = json_decode($json, true);
var_dump($jsonDecode['data']);
foreach($jsonDecode['data'] as $mydata){
    echo $mydata['email'] . "<br>";
}
?>