send json value in GET php code example

Example 1: php json request get value

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

Example 2: return json in php

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