ui_2include_8php_source.html

<?php


use Bitrix\Main\Loader;


$documentRoot = Loader::getDocumentRoot();

if (is_dir($documentRoot . '/bitrix/modules/ui/dev/'))

{

    // developer mode

    Loader::registerNamespace('Bitrix\Ui\Dev',  $documentRoot . '/bitrix/modules/ui/dev');

}

Bitrix\Main\Loader
Определения loader.php:13

$documentRoot
foreach(['Bitrix\\Main'=> '/lib', 'Psr\\Container'=> '/vendor/psr/container/src', 'Psr\\Log'=> '/vendor/psr/log/src', 'Psr\\Http\\Message'=> '/vendor/psr/http-message/src', 'Psr\\Http\\Client'=> '/vendor/psr/http-client/src', 'Http\\Promise'=> '/vendor/php-http/promise/src', 'PHPMailer\\PHPMailer'=> '/vendor/phpmailer/phpmailer/src', 'GeoIp2'=> '/vendor/geoip2/geoip2/src', 'MaxMind\\Db'=> '/vendor/maxmind-db/reader/src/MaxMind/Db', 'PhpParser'=> '/vendor/nikic/php-parser/lib/PhpParser', 'Recurr'=> '/vendor/simshaun/recurr/src/Recurr',] as $namespace=> $namespacePath) $documentRoot
Определения autoload.php:27