J. Doe questions

• Does a one-to-one relationship in Laravel always need first()?
• Can we use $_SERVER['REQUEST_TIME_FLOAT'] to get a reliable process time?
• MySQL 5.7 Timestamp field showing Datetime?
• Updating PHP 7.4 on Ubuntu 20.04 doesn't update to the latest release
• Cannot select where ip=inet_pton($ip)
• When to use Repository vs Service vs Trait in Laravel? [closed]

J. Doe answers