HTML and CSS Reference
In-Depth Information
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channel.bind('new_comment',displayComment);
Events
are used to further filter data and are ideal for linking updates to
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changes in the UI. In this case we want to bind to an event which is triggered whenever a
new comment is added and display it. Because we've already created the
displayComment
function we can just pass in a reference to the call to
bind
.
SENDING REAL-TIME EVENTS USING THE EVENT CREATOR
We can also test out this functionality without writing any server-side code by using the
Event
Creator
for your app which can also be found in the Pusher dashboard. The Event Creator
lets you publish events on a channel through a simple user interface. From the code above we
can see that we want to publish an event named
"new_comment"
on the
"comments-1"
channel. From the earlier test function we also have an example of the test data we can
publish.
REAL-TIME PHP
Again, we've proven that our client-side functionality works without having to write any
server-side code. Now lets add the PHP code we need to trigger the new comment event as
soon as a comment is posted in our comment system.
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Pusher offers a number of
server-side libraries
which make it easy to publish events in
addition to helping with functionality such as
private channe
l
authentication and providing
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