index.php

<?php
require_once 'vendor/autoload.php';

if ($argc < 2) {
    echo "Usage: php index.php ProjectName\n";
    exit;    
}
$projectName = $argv[1];

$client = new \Github\Client(
    new \Github\HttpClient\CachedHttpClient(array('cache_dir' => '/tmp/github-api-cache'))
);

$client->authenticate('username', 'password', \Github\Client::AUTH_HTTP_PASSWORD);

//get sprints
$sprints = array();
$milestones = $client->api('issue')->milestones()->all('coderockr', $projectName, array('direction' => 'asc'));
foreach ($milestones as $m) {
    $sprints[$m['id']] = array(
        'name' => $m['title'],
        'open_issues' => $m['open_issues'],
        'closed_issues' => $m['closed_issues'],
        'state' => $m['state'],
        'due_on' => $m['due_on'],
        'open_points' => 0,
        'closed_points' => 0,
    );
}
//get issues
$issues = array_merge(
    $client->api('issue')->all('coderockr', $projectName, array('state' => 'open')),
    $client->api('issue')->all('coderockr', $projectName, array('state' => 'closed'))
);
//update sprint points
foreach ($issues as $i) {
    $milestone = $i['milestone'];
    switch ($i['state']) {
        case 'open':
            $open_points = $sprints[$milestone['id']]['open_points'];
            foreach ($i['labels'] as $l) {
                $open_points += (float) $l['name'];
            }
            $sprints[$milestone['id']]['open_points'] = $open_points;        
            break;
        case 'closed':
            $closed_points = $sprints[$milestone['id']]['closed_points'];
            foreach ($i['labels'] as $l) {
                $closed_points += (float) $l['name'];
            }
            $sprints[$milestone['id']]['closed_points'] = $closed_points;        
            break;
    }
    
}
//show sprint's details
$total_open_points = 0;
$total_closed_points = 0;
foreach ($sprints as $s) {
    $sprint_points = $s['open_points'] + $s['closed_points'];
    $sprint_issues = $s['open_issues'] + $s['closed_issues'];
    echo "{$s['name']} due on {$s['due_on']} has {$s['closed_issues']} closed of {$sprint_issues} issues and {$s['closed_points']} closed of {$sprint_points} points\n"; 
    $total_open_points += $s['open_points'];
    $total_closed_points += $s['closed_points'];
}
//show project's details
$project_points = $total_open_points + $total_closed_points;
echo "Project have {$total_closed_points} closed of {$project_points} points \n";