Apply PHP function to display price only without changing cart price

0
votes

In Magento, I want to apply a custom PHP function to the display of prices on the frontend without changing the actual numerical price on the backend / shopping cart.

To be specific, I want to remove decimals on the display price when there are no cents in the price. For example, $19.00 would display as $19 but $19.99 would display as $19.99.

I found a PHP function on PHP.net that will perform this change for me:

// formats money to a whole number or with 2 decimals; includes a dollar sign in front
    function formatMoney($number, $cents = 1) { // cents: 0=never, 1=if needed, 2=always
      if (is_numeric($number)) { // a number
        if (!$number) { // zero
          $money = ($cents == 2 ? '0.00' : '0'); // output zero
        } else { // value
          if (floor($number) == $number) { // whole number
            $money = number_format($number, ($cents == 2 ? 2 : 0)); // format
          } else { // cents
            $money = number_format(round($number, 2), ($cents == 0 ? 0 : 2)); // format
          } // integer or decimal
        } // value
        return $money;
      } // numeric
    } // formatMoney

I do not want to have to change Magento templates to apply this function, because the prices appear all over the place. It would be a nightmare to update all the templates.

I would like to know whether there is a place I can use this function to format the display of the price globally so it affects the display of all prices everywhere from one spot.

Already I have spent a few hours poking around various Magento files, including:

app/code/core/Mage/Directory/Model/Currency.php

public function format <-- This function changes the real price, not the display of the price.

app/code/core/Mage/Catalog/Model/Product.php:

public function getFormatedPrice <-- This function looked promising but didn't do anything for me.

I also looked at these files without anything jumping out as an obvious place:

app/code/core/Mage/Catalog/Block/Product.php

app/code/core/Mage/Catalog/Block/Product/Price.php

app/code/core/Mage/Catalog/Block/Product/View.php

Do you think it's possible to find one place in Magento that I can hack to apply my custom PHP function to the display of the price (and not the actual numerical price in the shopping cart)?

2
phpmagento

2 Answers

0
votes

I'm not sure that catalog_product_get_final_price will work as you want, so another solution that i propose is to override formatTxt from Mage_Directory_Model_Currency

In that function you can check if price has decimals or not and set option $options['precision']=0; if you want that price to not have decimals (like xx.00).

Eg:

public function formatTxt($price, $options=array())
{
  if(is_numeric( $price ) && floor( $price ) == $price){
     $options['precision']=0;
  }
  return parent::formatTxt($price, $options);
}
0
votes

You could use an observer on catalog_product_get_final_price for that:

config.xml:

<config>
    <frontend>
        <events>
            <catalog_product_get_final_price>
                <observers>
                    <catalogrule>
                        <class>myextension/observer</class>
                        <method>processFrontFinalPrice</method>
                    </catalogrule>
                </observers>
            </catalog_product_get_final_price>
        </events>
    </frontend>
</config>

in your observer class:

<?php
public function processFrontFinalPrice($observer)
{
    $product    = $observer->getEvent()->getProduct();
    $finalPrice = 123.45;   //modify your price here
    return $this;
} 
?>