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✏️ Editing: class-autoloader-handler.php

<?php
/**
 * This file was automatically generated by automattic/jetpack-autoloader.
 *
 * @package automattic/jetpack-autoloader
 */

namespace Automattic\Jetpack\Autoloader\jp84617a1c58c1acf2bba2988ef5fe847b;

// phpcs:ignore

use Automattic\Jetpack\Autoloader\AutoloadGenerator;

/**
 * This class selects the package version for the autoloader.
 */
class Autoloader_Handler {

/**
	 * The PHP_Autoloader instance.
	 *
	 * @var PHP_Autoloader
	 */
	private $php_autoloader;

/**
	 * The Hook_Manager instance.
	 *
	 * @var Hook_Manager
	 */
	private $hook_manager;

/**
	 * The Manifest_Reader instance.
	 *
	 * @var Manifest_Reader
	 */
	private $manifest_reader;

/**
	 * The Version_Selector instance.
	 *
	 * @var Version_Selector
	 */
	private $version_selector;

/**
	 * The constructor.
	 *
	 * @param PHP_Autoloader   $php_autoloader The PHP_Autoloader instance.
	 * @param Hook_Manager     $hook_manager The Hook_Manager instance.
	 * @param Manifest_Reader  $manifest_reader The Manifest_Reader instance.
	 * @param Version_Selector $version_selector The Version_Selector instance.
	 */
	public function __construct( $php_autoloader, $hook_manager, $manifest_reader, $version_selector ) {
		$this->php_autoloader   = $php_autoloader;
		$this->hook_manager     = $hook_manager;
		$this->manifest_reader  = $manifest_reader;
		$this->version_selector = $version_selector;
	}

/**
	 * Checks to see whether or not an autoloader is currently in the process of initializing.
	 *
	 * @return bool
	 */
	public function is_initializing() {
		// If no version has been set it means that no autoloader has started initializing yet.
		global $jetpack_autoloader_latest_version;
		if ( ! isset( $jetpack_autoloader_latest_version ) ) {
			return false;
		}

// When the version is set but the classmap is not it ALWAYS means that this is the
		// latest autoloader and is being included by an older one.
		global $jetpack_packages_classmap;
		if ( empty( $jetpack_packages_classmap ) ) {
			return true;
		}

// Version 2.4.0 added a new global and altered the reset semantics. We need to check
		// the other global as well since it may also point at initialization.
		// Note: We don't need to check for the class first because every autoloader that
		// will set the latest version global requires this class in the classmap.
		$replacing_version = $jetpack_packages_classmap[ AutoloadGenerator::class ]['version'];
		if ( $this->version_selector->is_dev_version( $replacing_version ) || version_compare( $replacing_version, '2.4.0.0', '>=' ) ) {
			global $jetpack_autoloader_loader;
			if ( ! isset( $jetpack_autoloader_loader ) ) {
				return true;
			}
		}

return false;
	}

/**
	 * Activates an autoloader using the given plugins and activates it.
	 *
	 * @param string[] $plugins The plugins to initialize the autoloader for.
	 */
	public function activate_autoloader( $plugins ) {
		global $jetpack_packages_psr4;
		$jetpack_packages_psr4 = array();
		$this->manifest_reader->read_manifests( $plugins, 'vendor/composer/jetpack_autoload_psr4.php', $jetpack_packages_psr4 );

global $jetpack_packages_classmap;
		$jetpack_packages_classmap = array();
		$this->manifest_reader->read_manifests( $plugins, 'vendor/composer/jetpack_autoload_classmap.php', $jetpack_packages_classmap );

global $jetpack_packages_filemap;
		$jetpack_packages_filemap = array();
		$this->manifest_reader->read_manifests( $plugins, 'vendor/composer/jetpack_autoload_filemap.php', $jetpack_packages_filemap );

$loader = new Version_Loader(
			$this->version_selector,
			$jetpack_packages_classmap,
			$jetpack_packages_psr4,
			$jetpack_packages_filemap
		);

$this->php_autoloader->register_autoloader( $loader );

// Now that the autoloader is active we can load the filemap.
		$loader->load_filemap();
	}

/**
	 * Resets the active autoloader and all related global state.
	 */
	public function reset_autoloader() {
		$this->php_autoloader->unregister_autoloader();
		$this->hook_manager->reset();

// Clear all of the autoloader globals so that older autoloaders don't do anything strange.
		global $jetpack_autoloader_latest_version;
		$jetpack_autoloader_latest_version = null;

global $jetpack_packages_classmap;
		$jetpack_packages_classmap = array(); // Must be array to avoid exceptions in old autoloaders!

global $jetpack_packages_psr4;
		$jetpack_packages_psr4 = array(); // Must be array to avoid exceptions in old autoloaders!

global $jetpack_packages_filemap;
		$jetpack_packages_filemap = array(); // Must be array to avoid exceptions in old autoloaders!
	}
}

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