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[Component][EventDispatcher] 2.5 specific documentation for the TraceableEventDispatcher #3931

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Jun 11, 2014
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[Component][EventDispatcher] 2.5 specific documentation for the TraceableEventDispatcher #3931

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8 changes: 6 additions & 2 deletions components/event_dispatcher/traceable_dispatcher.rst
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The Traceable Event Dispatcher
==============================

The :class:`Symfony\\Component\\HttpKernel\\Debug\\TraceableEventDispatcher`
.. versionadded:: 2.5
The ``TraceableEventDispatcher`` class was moved to the EventDispatcher
component in Symfony 2.5. Before, it was located in the HttpKernel component.

The :class:`Symfony\\Component\\EventDispatcher\\Debug\\TraceableEventDispatcher`
is an event dispatcher that wraps any other event dispatcher and can then
be used to determine which event listeners have been called by the dispatcher.
Pass the event dispatcher to be wrapped and an instance of the
:class:`Symfony\\Component\\Stopwatch\\Stopwatch` to its constructor::

use Symfony\Component\HttpKernel\Debug\TraceableEventDispatcher;
use Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher;
use Symfony\Component\Stopwatch\Stopwatch;

// the event dispatcher to debug
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