Mongo simple php starts

mongo_stats.php

#!/usr/bin/env php
<?php

try {
    $mongo = new MongoClient('mongodb://USER:PASS@HOST:PORT', array('db'=>'admin'));
    $db = $mongo->selectDB('DBNAME');

    $collections = [];

    foreach ($db->listCollections() as $coll) {
        $collections[$coll->getName()] = $coll->count();
    }

    echo sprintf('Mongo [%s] connected', $host), PHP_EOL;
    echo PHP_EOL;

    ksort($collections);

    $len = array_reduce(array_keys($collections), function ($carry, $key) { return max($carry, strlen($key)); }, 0) + 2;

    foreach ($collections as $name => $count) {
        echo sprintf('%\'.-'. $len .'s : %s', $name.' ', number_format($count, 0, ',', '.')), PHP_EOL;
    }

    echo PHP_EOL;

} catch (MongoConnectionException $e) {
    echo $e, PHP_EOL;
    exit(1);
}