Answers for "reading the json file using php and access to line"

read json file data using php

$filedata = file_get_contents('filename.json');
$details = json_decode($filedata);
print_r($details);

Returning JSON from a PHP Script

<?php
$data = /** whatever you're serializing **/;
header('Content-Type: application/json; charset=utf-8');
echo json_encode($data);