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tormjens / eventy

WordPress-like actions and filters for Laravel
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Hashable callbacks #17

Closed tormjens closed 5 years ago

tormjens commented 5 years ago

This PR enables callbacks to be compared by signature so they can be removed later on.

Previously there was no convenient way of removing a listener defined as a closure. This PR solves this by hashing callbacks that are of type Closure/anonymous function.

Say you add a callback as such: 

Eventy::addAction('foo', function() { echo 'bar'; });

You can now remove it by passing the exact same callback:

Eventy::removeAction('foo', function() { echo 'bar'; });

Should resolve #16