Answers for "put json data in file in php"

read json file data using php

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

convert text file to json php

<?php
  header('Content-type: application/json');
  echo json_encode( explode("\r\n",file_get_contents('data.txt')) );
?>