<?php
/**
 * WooCommerce Admin
 *
 * @class    WC_Admin
 * @author   WooThemes
 * @category Admin
 * @package  WooCommerce/Admin
 * @version  3.5.2
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * WC_Helper_File_Headers Class
 *
 * Adds some filters to be able to parse the `Woo` header from locally
 * installed Woo plugins and themes
 */
class WC_Helper_File_Headers {

	/**
	 * Load functions adds the `extra_headers` filter on the `extra_plugin_headers`
	 * and `extra_theme_headers` hooks.
	 */
	public static function load() {
		add_filter( 'extra_plugin_headers', array( __CLASS__, 'extra_headers' ) );
		add_filter( 'extra_theme_headers', array( __CLASS__, 'extra_headers' ) );
	}

	/**
	 * Additional theme style.css and plugin file headers.
	 *
	 * Format: Woo: product_id:file_id
	 */
	public static function extra_headers( $headers ) {
		$headers[] = 'Woo';
		return $headers;
	}
}

WC_Helper_File_Headers::load();