Github webhook PHP script

github-webhook-deploy.php

<?php 
try {
    // Decode JSON data from Github
    $payload = json_decode($_REQUEST['payload']);
}
catch(Exception $e) {
    exit(0);
}

// Deploy live if push was on master branch
if ($payload->ref === 'refs/heads/master') {
    exec('./deploy-master.sh');
}

// Deploy staging if push was on stage branch
if ($payload->ref === 'refs/heads/stage') {
    exec('./deploy-stage.sh');
}