thinkphp/library/think/console/command/optimize/Autoload.php

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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: yunwuxin <448901948@qq.com>
// +----------------------------------------------------------------------
namespace think\console\command\optimize;

use think\console\Command;
use think\console\Input;
use think\console\Output;
use think\Container;

class Autoload extends Command
{
    protected function configure()
    {
        $this->setName('optimize:autoload')
            ->setDescription('Optimizes PSR0 and PSR4 packages to be loaded with classmaps too, good for production.');
    }

    protected function execute(Input $input, Output $output)
    {

        $classmapFile = <<<EOF
<?php
/**
 * 类库映射
 */

return [

EOF;
        $app              = Container::get('app');
        $namespacesToScan = [
            $app->getNamespace() . '\\' => realpath(rtrim($app->getAppPath())),
            'think\\'                   => $app->getThinkPath() . 'library/think',
            'traits\\'                  => $app->getThinkPath() . 'library/traits',
            ''                          => realpath(rtrim($app->getRootPath() . 'extend')),
        ];

        krsort($namespacesToScan);
        $classMap = [];
        foreach ($namespacesToScan as $namespace => $dir) {

            if (!is_dir($dir)) {
                continue;
            }

            $namespaceFilter = '' === $namespace ? null : $namespace;
            $classMap        = $this->addClassMapCode($dir, $namespaceFilter, $classMap);
        }

        ksort($classMap);
        foreach ($classMap as $class => $code) {
            $classmapFile .= '    ' . var_export($class, true) . ' => ' . $code;