configuration prestashop 1.7x in source folder /app/config/parameters.php

configurationParameter.php

<?php return array (
  'parameters' => 
  array (
    'database_host' => 'localhost',
    'database_port' => '',
    'database_name' => 'database-name', 
    'database_user' => 'database-user',
    'database_password' => '@@@@@',
    'database_prefix' => 'psod_',
    'database_engine' => 'InnoDB',
    'mailer_transport' => 'smtp',
    'mailer_host' => '127.0.0.1',
    'mailer_user' => NULL,
    'mailer_password' => NULL,
    'secret' => 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',
    'ps_caching' => 'CacheMemcache',
    'ps_cache_enable' => false,
    'ps_creation_date' => '2020-09-19',
    'locale' => 'en-US',
    'use_debug_toolbar' => true,
    'cookie_key' => 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',
    'cookie_iv' => 'naronaro',
    'new_cookie_key' => 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',
  ),
);