woocommerce_get_children │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_get_children', 'wp_kama_woocommerce_get_children_filter', 10, 3 );

/**
 * Function for `woocommerce_get_children` filter-hook.
 * 
 * @param  $children 
 * @param  $that     
 * @param  $false    
 *
 * @return 
 */
function wp_kama_woocommerce_get_children_filter( $children, $that, $false ){

	// filter...
	return $children;
}

$children

-

$that

-

$false

-

Where the hook is called

return apply_filters( 'woocommerce_get_children', $this->children, $this, false );

return apply_filters( 'woocommerce_get_children', $this->visible_children, $this, true );

Where the hook is used in WooCommerce