appwrite/tests/resources/functions/php/index.php

<?php

return function ($context) {
    return $context->res->json([
        'APPWRITE_FUNCTION_ID' => \getenv('APPWRITE_FUNCTION_ID'),
        'APPWRITE_FUNCTION_NAME' => \getenv('APPWRITE_FUNCTION_NAME'),
        'APPWRITE_FUNCTION_DEPLOYMENT' => \getenv('APPWRITE_FUNCTION_DEPLOYMENT'),
        'APPWRITE_FUNCTION_TRIGGER' => $context->req->headers['x-appwrite-trigger'] ?? '',
        'APPWRITE_FUNCTION_RUNTIME_NAME' => \getenv('APPWRITE_FUNCTION_RUNTIME_NAME'),
        'APPWRITE_FUNCTION_RUNTIME_VERSION' => \getenv('APPWRITE_FUNCTION_RUNTIME_VERSION'),
        'UNICODE_TEST' => "êä"
    ]);
};