1. Go to this page and download the library: Download nikopeikrishvili/geojson 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/ */
nikopeikrishvili / geojson example snippets
$feature = new GeoJSON\FeatureTypes\Polygon([/**coordinates array**/]);
$feature = new GeoJSON\FeatureTypes\MultiPolygon([/**coordinates array**/]);
$feature = new GeoJSON\FeatureTypes\Point([/**coordinates array**/]);
$feature = new GeoJSON\FeatureTypes\MultiPoint([/**coordinates array**/]);
$feature = new GeoJSON\FeatureTypes\LineString([/**coordinates array**/]);
$feature = new GeoJSON\FeatureTypes\MultiLineString([/**coordinates array**/]);