<?php
require 'vendor/autoload.php';
$checkins = (new MongoDB\Client)->dramio->whisky;
// Find checkins with a rating *greater than or equal to 3*:
$cursor = $checkins->find( [ 'rating' => [ *'$gte' => 3* ] );
// Find checkins with a rating *less than 4*, *or* *not* for a *single cask* whisky:
$cursor = $checkins->find( [ *'$or'* => [
[ 'rating' => [ *'$lt' => 4* ],
[ 'style' => [ *'$ne'* => 'single-cask'] ],
] ] );
// Find checkins where the *description field exists*
$cursor = $checkins->find( [ 'description' => [ *'$exists' => true* ] );
// Find checkins where the region is an element *in* the array
$cursor = $checkins->find( [ 'region_slug' => [
*'$in' => [ 'scotland-speyside', 'scotland-highlands' ]*
] ] );
?>
