PHP Deployer script to add language support for WordPress installations

deploy-languages.php

<?php
/**
 * Install WordPress languages after php deployer deploy.
 * Please, set wp_languages as array with language codes!
 * Support added for local development environment
 */

namespace Deployer;

use Deployer\Task\Context;
use Dotenv\Dotenv;

task('deploy:languages', function () {
    $languages = get('wp_languages');

    if (!is_array($languages)) {
        writeln('Environment array `wp_languages` missing. No languages installed.');
        return;
    }

    foreach ($languages as $language) {
        $actions[] = "wp language core install {$language}";
    }

    foreach ($actions as $action) {
        writeln("{$action}");

        if (get('stage')=='development') {
            writeln(runLocally($action));
        } else {
            writeln(run("cd {{deploy_path}}/current && {$action}"));
        }
    }
});

/**
 * Add this task after global deploy recipe
 */
after('deploy', 'deploy:languages');