php - Create a search filter based on custom variable product field -

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i'm trying find out how create custom search filter woocommerce products.
have added 2 custom fields product variations: _min_height , _max_height. set min , max height fields example 1000 , 3500.

i need build custom search filter user can fill-in min , max height , filters products values in _min_height , _max_height.

i hope can me out this! thanks.


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