PHP Environment Variables

.htaccess

<IfModule mod_env.c>
    SetEnv CONTEXT Development
</IfModule>

env.php

<?php

declare(strict_types=1);

define('CONTEXT_ENV', getenv('CONTEXT'));
define('CONTEXT_DEVELOPMENT', 'Development');
define('CONTEXT_PRODUCTION', 'Production');

function is_development(): bool
{
    return CONTEXT_DEVELOPMENT === CONTEXT_ENV;
}

function is_production(): bool
{
    return CONTEXT_PRODUCTION === CONTEXT_ENV;
}