Helper for an Iron worker v2

helper.php

<?php

// see https://github.com/iron-io/iron_worker_ruby_ng/blob/master/lib/iron_worker_ng/code/runtime/php.rb

function getArgs($assoc = true) {
    global $argv;

    $args = array('task_id' => null, 'dir' => null, 'payload' => array(), 'config' => null);

    foreach ($argv as $k => $v) {
        if (empty($argv[$k + 1])) continue;

        if ($v == '-id' || $v == '--id') $args['task_id'] = $argv[$k + 1];
        if ($v == '-d' || $v == '--d')  $args['dir']     = $argv[$k + 1];

        if (($v == '-payload' || $v == '--payload') && file_exists($argv[$k + 1])) {
            $args['payload'] = file_get_contents($argv[$k + 1]);

            $parsed_payload = json_decode($args['payload'], $assoc);

            if ($parsed_payload != null) {
                $args['payload'] = $parsed_payload;
            }
        }

        if (($v == '-config' || $v == '--config') && file_exists($argv[$k + 1])) {
            $args['config'] = file_get_contents($argv[$k + 1]);

            $parsed_config = json_decode($args['config'], $assoc);

            if ($parsed_config != null) {
                $args['config'] = $parsed_config;
            }
        }
    }

    return $args;
}

function getPayload($assoc = false) {
    $args = getArgs($assoc);

    return $args['payload'];
}

function getConfig($assoc = true){
    $args = getArgs($assoc);

    return $args['config'];
}