WordPress at a glance
filter is not described

woocommerce_register_post_type_product_variation filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_register_post_type_product_variation', 'filter_function_name_3637' );
function filter_function_name_3637( $array ){
	// filter...

	return $array;
}
$array
-

Where the hook is called

WC_Post_Types::register_post_types()
woocommerce_register_post_type_product_variation
woocommerce/includes/class-wc-post-types.php 364-374
apply_filters(
	'woocommerce_register_post_type_product_variation',
	array(
		'label'           => __( 'Variations', 'woocommerce' ),
		'public'          => false,
		'hierarchical'    => false,
		'supports'        => false,
		'capability_type' => 'product',
		'rewrite'         => false,
	)
)

Where in WP core the hook is used WooCommerce

Usage not found.