1. Go to this page and download the library: Download jwadhams/json-logic-php library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
$rule = '{"==":["apples", "apples"]}';
//Decode the JSON string to an array, and evaluate it.
JWadhams\JsonLogic::apply( json_decode($rule, true) );
// true
//Decode the JSON string to an object, and evaluate it.
JWadhams\JsonLogic::apply( json_decode($rule, false) );
// true