WordPress at a glance
filter is not described

woocommerce_product_(key)_tab_title filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_product_(key)_tab_title', 'filter_function_name_6821', 10, 2 );
function filter_function_name_6821( $product_tab_title, $key ){
	// filter...

	return $product_tab_title;
}
$product_tab_title
-
$key
-

Where the hook is called

In file: /templates/single-product/tabs/tabs.php
woocommerce_product_(key)_tab_title
woocommerce/templates/single-product/tabs/tabs.php 38
<?php echo wp_kses_post( apply_filters( 'woocommerce_product_' . $key . '_tab_title', $product_tab['title'], $key ) ); ?>

Where in WP core the hook is used WooCommerce

Usage not found.