WordPress at a glance
filter is not described

woocommerce_product_import_batch_size filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_product_import_batch_size', 'filter_function_name_1821' );
function filter_function_name_1821( $30 ){
	// filter...

	return $30;
}
$30
-

Where the hook is called

WC_Admin_Importers::do_ajax_product_import()
woocommerce_product_import_batch_size
woocommerce/includes/admin/class-wc-admin-importers.php 220
'lines'           => apply_filters( 'woocommerce_product_import_batch_size', 30 ),

Where the hook is used (in WC core)

Usage not found!