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I'm building a WordPress plugin that will create a radio station "On-Air Now" DJ rotator.

Working options panel I've built so far: http://i.stack.imgur.com/SiYde.png

I've based the idea on a PHP case statement I wrote back in 2007 where you specify the DJ's start time which is then checked against the server time.

I know how to pull the image, description, and link out of the DB and display it. I just don't know how to code the logic behind showing only ONE DJ during his/her scheduled TIME-FRAME. e.g.; 6a-9a.

Would it be?

script: "hello server, what time is it?"

server: "it's 6:25am"

script: "ok, database it's 6:25am...who is scheduled?"

database: "neal boortz"

script: "thank you sir. i will now write some HTML"

What I have built so far: https://github.com/gregrickaby/DJ-Rotator-for-WordPress/blob/master/dj-rotator-for-wordpress.php

I'm not asking for someone to write it for me. Just shove me in the right direction with the logic. Maybe a code example or two.

Thank you!

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This should be migrated to stack as it is a php question , not a wordpress one. – Wyck Nov 18 '11 at 5:09
That's funny because at STACK they told me to move it here – Greg Nov 18 '11 at 14:09
This one can fall on either side of the fence, fine by me. :) – Rarst Nov 18 '11 at 14:24

Basically you have three parameters here:

  1. Current server time
  2. Schedule start time
  3. Schedule end time

Then your task boils down to using custom field parameters in query to request posts with two conditions:

  1. schedule start hour is smaller than current hour
  2. schedule end hour is larger than current hour
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