2
votes
1answer
48 views

How do I know what variables are passed in a filter/action and what their meaning is?

Something I have seen several times now and I don't understand is the following: In a theme's functions.php a function is defined and then attached to a hook, like so (simplified example): function ...
1
vote
2answers
268 views

Passing values from a widget to a function within a plugin

I have a plugin that is built with many widgets. A widget's bundle. Each widget creates it's own custom CSS code. Instead of having messy source code where I display 15 different sets of inline CSS ...
6
votes
3answers
3k views

How to Pass External Variables to Filters/Actions

I find myself needing to pass custom data to a filter provided by a 3rd party plugin. All of the ways I've seen to do this are really complicated and hard to wrap my head around. Take this example: ...
0
votes
3answers
2k views

get variable from url?

say i've got a url http://bfami.modernactivity.co.uk/category/museum/orderby/date/order/desc/ that works with; add_rewrite_rule( ...
0
votes
1answer
235 views

What's the best way to echo out a filter variable?

I have a plugin filter that isn't working for me: add_filter( 'gform_notification_email_3', 'route_notification', 10, 2 ); function route_notification($email_to, $entry) { global $post; ...