Yii2 Scenarios (rules on vs scenarios() function) | FormModel Explained | Hindi Tutorial 18
Welcome to part 2 of the Yii2 FormModel & Validation series!
In this video, we explore Scenarios in Yii2, which allow you to define different validation rules for different situations.
We’ll cover two powerful methods:
1️⃣ Using on in rules() to attach rules directly to scenarios.
2️⃣ Overriding the scenarios() function for full control over which attributes are active in each scenario.
🔥 Example Used in This Video:
Register Scenario → username, email, password, confirm password (with compare rule).
Login Scenario → username, password only.
By the end of this video, you’ll know exactly when to use on and when to use scenarios() for real-world Yii2 applications.
👉 Perfect for handling multi-step forms, different use-cases, or admin vs user validations.
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Chapters -
00:00 - Introduction and Previous Recap
00:22 - Validations Rules
01:00 - Filter Validator
03:22 - Safe Validator
05:47 - Custom Inline Validator
07:12 - on Scenario
10:31 - Scenario() Function
15:16 - Compare Validator (Password & Confirm Password)
17:43 - Unique Validator
19:55 - File Validator
22:58 - Summary
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