How to use JSON in PHP 4 or PHP 5.1.x

Download JSON Class

<?php
    // Future-friendly json_encode
    if( !function_exists('json_encode') ) {
        function json_encode($data) {
            $json = new Services_JSON();
            return( $json->encode($data) );
        }
    }
    // Future-friendly json_decode
    if( !function_exists('json_decode') ) {
        function json_decode($data) {
            $json = new Services_JSON();
            return( $json->decode($data) );
        }
    }
    ?>