How to limit total submission of a form
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Hello,
I would like to limit the total number for submission of the contact form. The idea is, when users submit a form, once it has been submitted I will query the database to check the total number of query submitted and once it hit the limit then I would like to prevent the user from submitting further.
Should I use wpcf7_before_send_mail or wpcf7_posted_data ? Any input is much appreciated. I would be really really appreciated if someone could help me an example of code how to accomplish it as I have no idea how to use the above 2 filter even though I had found googling it.
Thank you so much.
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