Class Signal

Signal management that can be implemented at a per object basic.

Namespace: Peg\Lib\Signals
Located at src/Signals/Signal.php

Methods summary
`public`	# `__construct( )` Default constructor Default constructor
`public`	# `Send( string $signal_type, Peg\Lib\Signals\SignalData & $signal_data = null )` Calls all callbacks listening for a given signal type. Calls all callbacks listening for a given signal type. Parameters `$signal_type` `string` $signal_type `$signal_data` `Peg\Lib\Signals\SignalData` $signal_data
`public`	# `Listen( string $signal_type, function $callback, integer $priority = 10 )` Add a callback that listens to a specific signal. Add a callback that listens to a specific signal. Parameters `$signal_type` `string` $signal_type `$callback` `function` $callback `$priority` `integer` $priority
`public`	# `Unlisten( string $signal_type, function $callback )` Remove a callback from listening a given signal type. Remove a callback from listening a given signal type. Parameters `$signal_type` `string` $signal_type `$callback` `function` $callback