What design patterns are used by Yii's behavior?

Yii has a feature called behavior. What design pattern does this behavior use, please?

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Yii has a feature called behavior. What design pattern does this behavior use, please?

I think it should be the AOP idea, the observer pattern, where a intercept jump is placed where it needs to be intercepted. I like a normal process algorithm (1+ ... 100 This small program), this behavior general idea is to want to in this algorithm loop to 50 when the time to jump out of this loop to save this and extract, this time you just need to add a if judgment to 50, jump out of the line. My understanding of .....

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