return json response php code example

Example 1: php change header to json

<?PHP
$data = /** whatever you're serializing **/;
header('Content-Type: application/json');
echo json_encode($data);

Example 2: php return json

header('Content-type: application/json');
echo json_encode($array);

Example 3: php return json data

header('Content-Type: application/json'); 

$colors = array("red","blue","green");
echo json_encode($colors);

Example 4: how to receive json data in php

$data = json_decode(file_get_contents('php://input'), true);
print_r($data);
echo $data;

Example 5: 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 6: return json in php

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