src/Hook/FilterBuilder.php
protected function addFilter($name, $callback, $priority, $accepted_args)
    {
        add_filter($name, $callback, $priority, $accepted_args);
    }
protected function addFilter($name, $callback, $priority, $accepted_args)
    {
        add_filter($name, $callback, $priority, $accepted_args);
    }
protected function addFilter ( $ name , $ callback , $ priority , $ accepted_args ) { add_filter ( $ name , $ callback , $ priority , $ accepted_args ) ; }
Calls the WordPress add_filter function in order to listen to a filter hook.

@param string                $name
@param \Closure|string|array $callback
@param int                   $priority
@param int                   $accepted_args
Calls the WordPress add_filter function in order to listen to a filter hook .