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woof_before_term_name

Uses in html types as: radio, checkbox, select, mselect for printing any symbols or icons before its label wp-content\plugins\woocommerce-products-filter\views\html_types\checkbox.php  

woof_add_items_keys

Using in ‘by_’ extensions for adding its keys in system for to make the extension visible Example:

 

woof_add_html_types

Using in taxonomy type extensions for adding its keys in system for to make the extension visible Example:

   

woof_products_query

Using only 1 time in [woof_products] shortcode. Needs for any custom manipulations. For manipulations with taxonomies use https://products-filter.com/hook/woof_main_query_tax_relations/

woof_get_request_data

Uses in data-gate function of the plugin: index.php -> public function get_request_data() – it is first function in the plugin which get search request data Can be used for any manipulation with request data if its necessary  

woof_sort_terms_before_out

Using in html types as checkbox or radio for any manipulation with array of terms if its necessary

wp-content\plugins\woocommerce-products-filter\views\html_types\checkbox.php