WordPress at a glance
filter is not described

woocommerce_admin_meta_boxes_variations_count filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_admin_meta_boxes_variations_count', 'filter_function_name_6818', 10, 2 );
function filter_function_name_6818( $wpdb_var, $ID ){
	// filter...

	return $wpdb_var;
}
$wpdb_var
-
$ID
-

Where the hook is called

WC_Meta_Box_Product_Data::output_variations()
woocommerce_admin_meta_boxes_variations_count
woocommerce/includes/admin/meta-boxes/class-wc-meta-box-product-data.php 176
$variations_count       = absint( apply_filters( 'woocommerce_admin_meta_boxes_variations_count', $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(ID) FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'product_variation' AND post_status IN ('publish', 'private')", $post->ID ) ), $post->ID ) );

Where in WP core the hook is used WooCommerce

Usage not found.