bot-28/config/api_crypto.php

<?php

return [
    'enabled' => filter_var(env('API_CRYPTO_ENABLED', false), FILTER_VALIDATE_BOOL),
    'key' => (string) env('API_CRYPTO_KEY', ''),
    'allow_plaintext' => filter_var(env('API_CRYPTO_ALLOW_PLAINTEXT', false), FILTER_VALIDATE_BOOL),
    'plaintext_user_ids' => preg_split('/[\s,]+/', (string) env('API_CRYPTO_PLAINTEXT_USER_IDS', ''), -1, PREG_SPLIT_NO_EMPTY) ?: [],
    'timestamp_tolerance' => (int) env('API_CRYPTO_TIMESTAMP_TOLERANCE', 300),
    'max_payload_bytes' => (int) env('API_CRYPTO_MAX_PAYLOAD_BYTES', 2097152),
];