simple way to use base things
The preferred way to install this extension is through composer.
Either run
php composer.phar require --prefer-dist liyifei/yii2-base "*"
or add
"liyifei/yii2-base": "*"
to the require section of your composer.json file.
Once the extension is installed, simply use it in your code by :
<?= \liyifei\base\AutoloadExample::widget(); ?>```