How to pass the tag value to php?

Guys there is a shop in Cote-Ohm is the product card with the form. When you press the button, the form data is sent in the mail, now it took to pass the value of one tag. Here is how best to implement this process ?
1. JS to find the tag value and then the value of the js variable to pass to php.
or
2. php to parse the page to find the tag value and pass to the form?
July 2nd 19 at 13:30
0 answer

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