framework/rbac/PhpManager.php
public function init()
    {
        parent::init();
        $this->itemFile = Yii::getAlias($this->itemFile);
        $this->assignmentFile = Yii::getAlias($this->assignmentFile);
        $this->ruleFile = Yii::getAlias($this->ruleFile);
        $this->load();
    }
public function init()
    {
        parent::init();
        $this->itemFile = Yii::getAlias($this->itemFile);
        $this->assignmentFile = Yii::getAlias($this->assignmentFile);
        $this->ruleFile = Yii::getAlias($this->ruleFile);
        $this->load();
    }
Initializes the application component.
This method overrides parent implementation by loading the authorization data
from PHP script.