I’m not sure I understand you’re problem. I was under the impression that acf_form works the same in ACF4 and 5. If your still having problems can you explain in more detail so that I can understand what they are?
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The most recent ACF Chat Friday featured a live demo of how to register CPTs directly in the plugin, one of our most requested features. Check out the summary below for a replay of the demo, and don’t forget to register for the next session! https://t.co/k2KQ3WWBAz