Ecotone Interceptors FAQs

Question 1

When should I use an Around interceptor?

Accepted Answer

Use #[Around] when you need full control over the execution flow, such as wrapping a handler in a try-catch block for transactions. You must explicitly call $invocation->proceed().

Question 2

Can I modify message headers within an interceptor?

Accepted Answer

Yes, #[Before], #[After], and #[Presend] interceptors can modify headers if the 'changeHeaders' parameter is set to true and the method returns an array of headers.

Question 3

What is the execution order for Ecotone interceptors?

Accepted Answer

The execution flow follows the order: Presend -> Before -> Around -> actual handler -> Around (post-proceed) -> After.

Question 4

What does precedence control in Ecotone?

Accepted Answer

Precedence determines the order in which multiple interceptors targeting the same pointcut are executed. Lower numerical values have higher priority and run earlier.

Question 5

How do I target specific handlers with an interceptor?

Accepted Answer

Use the 'pointcut' parameter to target by class name, method name, namespace, or specific PHP attributes. You can also use boolean logic like '&&' and '||'.

Ecotone Interceptors

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