Class Horde_PubSub

Publish-Subscribe system

Package: PubSub
Category: Horde
Located at Horde/PubSub.php

Methods summary
`public static`	# `publish( string $topic, mixed $args = null )` Publish to all handlers for a given topic Publish to all handlers for a given topic Parameters `$topic` `$args` All arguments besides the topic are passed as arguments to the handler
`public static Horde_PubSub_Handle`	# `subscribe( string $topic, string\|object $context, null\|string $handler = null )` Subscribe to a topic Subscribe to a topic Parameters `$topic` `$context` Function name, class name, or object instance `$handler` If $context is a class or object, the name of the method to call Returns `Horde_PubSub_Handle` Pub-Sub handle (to allow later unsubscribe)
`public static boolean`	# `unsubscribe( Horde_PubSub_Handle $handle )` Unsubscribe a handler from a topic Unsubscribe a handler from a topic Parameters `$handle` Returns `boolean` Returns true if topic and handle found, and unsubscribed; returns false if either topic or handle not found
`public static array`	# `getTopics( )` Retrieve all registered topics Retrieve all registered topics Returns `array`
`public static array`	# `getSubscribedHandles( string $topic )` Retrieve all handlers for a given topic Retrieve all handlers for a given topic Parameters `$topic` Returns `array` Array of Horde_PubSub_Handle objects
`public static`	# `clearHandles( string $topic )` Clear all handlers for a given topic Clear all handlers for a given topic Parameters `$topic`