installed plugin Event Bridge for ActivityPub version 1.1.0

wp-content/plugins/event-bridge-for-activitypub/includes/class-autoloader.php

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+<?php
+/**
+ * Class responsible for autoloading Event Bridge for ActivityPub class files.
+ *
+ * The Autoloader class is responsible for automatically loading class files as needed
+ * to ensure a clean and organized codebase. It maps class names to their corresponding
+ * file locations within the GatherPress plugin.
+ *
+ * @package Event_Bridge_For_ActivityPub
+ * @since 1.0.0
+ * @license AGPL-3.0-or-later
+ */
+
+namespace Event_Bridge_For_ActivityPub;
+
+// Exit if accessed directly.
+defined( 'ABSPATH' ) || exit; // @codeCoverageIgnore
+
+/**
+ * Class Autoloader.
+ *
+ * This class is responsible for automatic loading of classes and namespaces.
+ *
+ * @since 1.0.0
+ */
+class Autoloader {
+	/**
+	 * Register method for autoloader.
+	 *
+	 * @since 1.0.0
+	 *
+	 * @return void
+	 */
+	public static function register(): void {
+		spl_autoload_register(
+			function ( $full_class ) {
+				$base_dir = EVENT_BRIDGE_FOR_ACTIVITYPUB_PLUGIN_DIR . '/includes/';
+				$base     = 'Event_Bridge_For_ActivityPub\\';
+
+				if ( strncmp( $full_class, $base, strlen( $base ) ) === 0 ) {
+					$maybe_uppercase = str_replace( $base, '', $full_class );
+					$class           = strtolower( $maybe_uppercase );
+					// All classes should be capitalized. If this is instead looking for a lowercase method, we ignore that.
+					if ( $maybe_uppercase === $class ) {
+						return;
+					}
+
+					if ( false !== strpos( $class, '\\' ) ) {
+						$parts    = explode( '\\', $class );
+						$class    = array_pop( $parts );
+						$sub_dir  = strtr( implode( '/', $parts ), '_', '-' );
+						$base_dir = $base_dir . $sub_dir . '/';
+					}
+
+					$filename = 'class-' . strtr( $class, '_', '-' );
+					$file     = $base_dir . $filename . '.php';
+
+					if ( file_exists( $file ) && is_readable( $file ) ) {
+						require_once $file;
+					} else {
+						\wp_die( sprintf( esc_html( 'Required class not found or not readable: %s' ), esc_html( $full_class ) ) );
+					}
+				}
+			}
+		);
+	}
+}