src/widget/PageHeader.php
protected function initOptions()
    {
        if(!$this->type){
            $this->type = self::TYPE_DEFAULT;
        }
        
        $this->options = array_merge([
            'class' => 'page-header',
        ], $this->options);
    }
protected function initOptions()
    {
        if(!$this->type){
            $this->type = self::TYPE_DEFAULT;
        }
        
        $this->options = array_merge([
            'class' => 'page-header',
        ], $this->options);
    }
Initializes the widget options.
This method sets the default values for various options.