Get all the contributors from the repos of an organization

composer.json

{
    "require": {
        "guzzlehttp/guzzle": "4.*"
    }
}

fetch-contributors.php

<?php
$username = 'username';
$password = 'api-key';
$organization = 'auraphp';
$file = __DIR__ . '/contributors.json';

require __DIR__ . '/vendor/autoload.php';

if (file_exists($file)) {
    $json_string = file_get_contents($file);
    $contributors = json_decode($json_string, true);
} else {
    $contributors = [];
}

$client = new GuzzleHttp\Client();
$request = $client->get("https://api.github.com/orgs/{$organization}/repos?per_page=100", ['auth' =>  [$username, $password]]);
$repos = $request->json();
foreach ($repos as $repo) {
    $repo_url = "https://api.github.com/repos/{$organization}/{$repo['name']}/contributors";
    try {
        $request = $client->get($repo_url, ['auth' =>  [$username, $password]]);
        $repo_contributors = $request->json();
        foreach ($repo_contributors as $contributor) {
            if (isset($contributors[$contributor['login']])) {
            } else {
                $login = $contributor['login'];
                try {
                    // if you don't want the name of the user as Hari KT, can remove this fetch
                    $request = $client->get("https://api.github.com/users/$login", ['auth' =>  [$username, $password]]);
                    $result = $request->json();
                } catch (Exception $e) {
                }
                $name = !empty($result['name']) ? $result['name'] : $contributor['login'];
                $contributors[$contributor['login']] = array(
                    'html_url' => $contributor['html_url'],
                    'avatar_url' => $contributor['avatar_url'],
                    'name' => $name
                );
            }
        }
    } catch (Exception $e) {
        echo $e->getMessage();
    }
}

file_put_contents($file, json_encode($contributors, JSON_PRETTY_PRINT));

echo "Total contributors : " . count($contributors) . PHP_EOL;