Question 1

How to implement lazy loading with ProxyManager in PHP?

Accepted Answer

Use the LazyLoadingValueHolderFactory to create proxies that delay object instantiation. The README provides an example where a closure initializes the wrapped object only when methods are called, which improves performance for expensive objects like complex database entities.

Question 2

ProxyManager vs Laravel's service container for dependency injection?

Accepted Answer

ProxyManager is a generic library for proxy generation across any PHP class, focusing on patterns like lazy loading and interception. Laravel's container is framework-specific for dependency management and AOP; ProxyManager offers more flexibility outside Laravel but requires manual integration within it.

Question 3

What is the performance impact of using ProxyManager?

Accepted Answer

ProxyManager introduces overhead from proxy class generation and method interception via reflection, which can slow down method calls by microseconds. It's best used in scenarios where benefits like lazy loading for expensive objects justify this cost, such as in large-scale applications.

Question 4

Can ProxyManager be integrated with Symfony?

Accepted Answer

Yes, ProxyManager can be used in Symfony applications, but it requires manual setup as it's not a native Symfony bundle. You can incorporate it into services or event listeners to add proxy behaviors, though this may involve extra configuration compared to Symfony's built-in proxies.

Question 5

How to add logging to methods using ProxyManager access interceptor?

Accepted Answer

Create an access interceptor proxy that adds custom logic before and after method execution. In the interceptor closures, you can log method calls, parameters, and return values, as documented in the ProxyManager docs for monitoring or validation purposes.

Question 6

Is ProxyManager suitable for microservices architecture?

Accepted Answer

ProxyManager can be useful in microservices for handling remote object proxies or adding cross-cutting concerns like logging. However, consider the added network latency and proxy overhead, which might not be ideal for high-throughput, distributed systems without careful optimization.

ProxyManager

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