Config broken instance

<?php
$CONFIG = array (
  'instanceid' => 'ocqu94p70wq8',
  'passwordsalt' => '',
  'secret' => '',
  'trusted_domains' =>
  array (
    0 => 'physicalitycloud.co.uk',
    1 => 'www.physicalitycloud.co.uk',
  ),
  'datadirectory' => '/var/www/nextcloud/data',
  'overwrite.cli.url' => 'https://www.physicalitycloud.co.uk/nextcloud',
  'dbtype' => 'mysql',
  'version' => '12.0.4.3',
  'dbname' => 'nextcloud',
  'dbhost' => 'externalhost',
  'dbport' => '',
  'dbtableprefix' => 'oc_',
  'mysql.utf8mb4' => true,
  'dbuser' => 'oc_andyhubbert3',
  'dbpassword' => '',
  'installed' => true,
  'memcache.local' => '\\OC\\Memcache\\APCu',
  'objectstore' =>
  array (
    'class' => 'OC\\Files\\ObjectStore\\S3',
    'arguments' =>
    array (
      'bucket' => '',
      'autocreate' => true,
      'key' => '',
      'secret' => '',
      'hostname' => 'storage.googleapis.com',
      'use_ssl' => true,
    ),
  ),
  'maintenance' => false,
  'theme' => '',
  'loglevel' => 2,
  'mail_smtpmode' => 'php',
  'mail_smtpauthtype' => 'LOGIN',
  'mail_smtpsecure' => 'ssl',
  'mail_smtpauth' => 1,
  'mail_from_address' => 'admin',
  'mail_domain' => 'physicalitytherapies.co.uk',
  'mail_smtphost' => 'smtp.zoho.com',
  'mail_smtpport' => '465',
  'mail_smtpname' => '',
  'mail_smtppassword' => '',
  'updater.secret' => '',
  'updater.release.channel' => 'stable',
);