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I am using Advanced custom fields acf_save_post hook in one of my functions. In that function I use the add_post_meta function. Does this call acf_save_post again and cause an endless loop?

http://www.advancedcustomfields.com/docs/functions/hooks-filters/#acf_save_post

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How about posting a link to the plugin you're talking about? Also please look at the WYSIWG editor and try to find the "code format" button. Thanks. –  kaiser Nov 1 '12 at 20:16
    
This would be better suited for the ACF forums - Elliot (the main dev) can probably help you quicker than someone unfamiliar with the intricacies of the plugin. –  Zach Nov 1 '12 at 20:29
    
Thanks, I will ask Elliot. Just checking to see if it was possible because my database is crashing a lot more than it should, so I feel there is a loop somewhere. –  tyler Nov 1 '12 at 20:56

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add_post_meta doesn't call the same hook again but there are some other functions such as wp_update_post which call the hook again. In case it is going into infinite loop you'll have to call remove_action inside the function to not make it recursive

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