Shifu notes

How events work? Events are similar to social media notifications. When the person you follow publishes a new post, you will receive a notification. Because you are subscribed to certain actions. Here's a real-life analogy: Let's say you and a friend decide to go to the movies. You agreed to meet at the entrance of the cinema. You asked a friend to call you when he arrives at the meeting point. So your friend's "Arrival at the meeting point" is an EVENT. You subscribed to this event and gave instructions to a friend (to do certain actions, that is, to call you) when an event will happen. In Yii2, by default, there are several events that will happen at specific times. For example, after connecting to the database, before saving data to the database, authorization-related events, query-level events, etc., etc. If you subscribe to an event that will occur before saving data to the database, then before savi...

Yii2 - get current domain

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