How To Modify Function In Shop Module Yii

hello yiers,

I just install a shop module in yii, I see some codes like below :

  <p><strong> <?php echo Shop::priceFormat($data->price); ?></strong> <br />

        <p><?php echo Shop::pricingInfo(); ?></p>

I don’t know where is the function pricingInfo or priceFormat put in.

please help me to find it

thank you,

do you have link to the extension

thank you alirz23, I have found it placed in the model Shop.