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фильтр не описан

(old_hook) хук-фильтр . WC 1.0

Fire off a legacy hook with it's args.

Использование

add_filter( '(old_hook)', 'filter_function_name_4988' );
function filter_function_name_4988( $old_hook ){
	// filter...

	return $old_hook;
}
$old_hook(строка)
Old hook name.

Где вызывается хук

WC_Deprecated_Filter_Hooks::trigger_hook()
(old_hook)
WC_Deprecated_Action_Hooks::trigger_hook()
(old_hook)
woocommerce/includes/class-wc-deprecated-filter-hooks.php 142
return apply_filters_ref_array( $old_hook, $new_callback_args );
woocommerce/includes/class-wc-deprecated-action-hooks.php 127
do_action( $old_hook, $order_id, $item_id, $item );
woocommerce/includes/class-wc-deprecated-action-hooks.php 135
do_action( $old_hook, $order_id, $item_id, $item->get_code(), $item->get_discount(), $item->get_discount_tax() );
woocommerce/includes/class-wc-deprecated-action-hooks.php 143
do_action( $old_hook, $order_id, $item_id, $item->get_rate_id(), $item->get_tax_total(), $item->get_shipping_tax_total() );
woocommerce/includes/class-wc-deprecated-action-hooks.php 151
do_action( $old_hook, $order_id, $item_id, $item->legacy_package_key );
woocommerce/includes/class-wc-deprecated-action-hooks.php 159
do_action( $old_hook, $item_id, $item->legacy_values, $item->legacy_cart_item_key );
woocommerce/includes/class-wc-deprecated-action-hooks.php 167
do_action( $old_hook, $order_id, $item_id, $item->legacy_fee, $item->legacy_fee_key );
woocommerce/includes/class-wc-deprecated-action-hooks.php 175
do_action( $old_hook, $order_id, $item_id, $item, $item->get_product() );
woocommerce/includes/class-wc-deprecated-action-hooks.php 183
do_action( $old_hook, $order_id, $item_id, $item );
woocommerce/includes/class-wc-deprecated-action-hooks.php 187
do_action_ref_array( $old_hook, $new_callback_args );

Где используется хук (в ядре WC)

Не используется.