URLs, aliases and date/time in Yii2

/*
relative HomeUrl = Url::home() = /complex/web/index.php
absolute HomeUrl = Url::home(true) = http://localhost/complex/web/index.php
http absolute HomeUrl = Url::home('http') = http://localhost/complex/web/index.php
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Url::base() = /complex/web
Url::base(true) = http://localhost/complex/web
-----------------------------------------------------------------------------
@web = /complex/web
@webroot = C:/wamp64/www/complex/web
@app = C:\\wamp64\\www\\complex
@runtime = C:\\wamp64\\www\\complex\\runtime
-----------------------------------------------------------------------------
Yii::$app->basePath = C:\\wamp64\\www\\complex
Yii::$app->homeUrl = /complex/web/index.php
Yii::$app->params['uploadPath'] = C:\\wamp64\\www\\complex/uploads/
date(<d/m/Y H:i:s>) = 01/04/2019 14:16:46
new \\DateTime(<now>, new \\DateTimeZone(<Europe/Rome>)->format(<d/m/Y H:i:s>) = 01/04/2019 16:16:46
time() = 1554128206
strtotime(<now>) = 1554128206
date(<d/m/Y H:i:s>, strtotime(<now>) = 01/04/2019 14:16:46
strftime(<%d/%m/%Y %T>) = 01/04/2019 14:16:46
*/