Read JSON string from file, convert PHP stdClass object to array

json-file-convert-stdclass-object-to-array.php

<?php
// file_get_contents - get file content (JSON string in it)
// json_decode       - decode JSON string to PHP object
// get_object_vars   - convert PHP object to array
$data = get_object_vars( json_decode( file_get_contents( 'data.txt' ) ) );
$data = array_slice( $data, 0, 10 ); // now you can array functions
echo json_encode( $data );