plugin install

wp/wp-content/plugins/woocommerce/src/Autoloader.php

@@ -0,0 +1,74 @@
+<?php
+/**
+ * Includes the composer Autoloader used for packages and classes in the src/ directory.
+ */
+
+namespace Automattic\WooCommerce;
+
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * Autoloader class.
+ *
+ * @since 3.7.0
+ */
+class Autoloader {
+
+	/**
+	 * Static-only class.
+	 */
+	private function __construct() {}
+
+	/**
+	 * Require the autoloader and return the result.
+	 *
+	 * If the autoloader is not present, let's log the failure and display a nice admin notice.
+	 *
+	 * @return boolean
+	 */
+	public static function init() {
+		$autoloader = dirname( __DIR__ ) . '/vendor/autoload_packages.php';
+
+		if ( ! is_readable( $autoloader ) ) {
+			self::missing_autoloader();
+			return false;
+		}
+
+		$autoloader_result = require $autoloader;
+		if ( ! $autoloader_result ) {
+			return false;
+		}
+
+		return $autoloader_result;
+	}
+
+	/**
+	 * If the autoloader is missing, add an admin notice.
+	 */
+	protected static function missing_autoloader() {
+		if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
+			error_log(  // phpcs:ignore
+				esc_html__( 'Your installation of WooCommerce is incomplete. If you installed WooCommerce from GitHub, please refer to this document to set up your development environment: https://github.com/woocommerce/woocommerce/wiki/How-to-set-up-WooCommerce-development-environment', 'woocommerce' )
+			);
+		}
+		add_action(
+			'admin_notices',
+			function() {
+				?>
+				<div class="notice notice-error">
+					<p>
+						<?php
+						printf(
+							/* translators: 1: is a link to a support document. 2: closing link */
+							esc_html__( 'Your installation of WooCommerce is incomplete. If you installed WooCommerce from GitHub, %1$splease refer to this document%2$s to set up your development environment.', 'woocommerce' ),
+							'<a href="' . esc_url( 'https://github.com/woocommerce/woocommerce/wiki/How-to-set-up-WooCommerce-development-environment' ) . '" target="_blank" rel="noopener noreferrer">',
+							'</a>'
+						);
+						?>
+					</p>
+				</div>
+				<?php
+			}
+		);
+	}
+}