Beginner question regarding Array's

liamloveslearning · January 9, 2010

Hi everyone, the page im working on has an array of variable at the top...

  $define_list = array('PRODUCT_LIST_MODEL' => PRODUCT_LIST_MODEL,
                       'PRODUCT_LIST_NAME' => PRODUCT_LIST_NAME,
                       'PRODUCT_LIST_MANUFACTURER' => PRODUCT_LIST_MANUFACTURER,
                       'PRODUCT_LIST_PRICE' => PRODUCT_LIST_PRICE,
                       'PRODUCT_LIST_QUANTITY' => PRODUCT_LIST_QUANTITY,
                       'PRODUCT_LIST_WEIGHT' => PRODUCT_LIST_WEIGHT,
                       'PRODUCT_LIST_IMAGE' => PRODUCT_LIST_IMAGE,
                       'PRODUCT_LIST_BUY_NOW' => PRODUCT_LIST_BUY_NOW);

I have written a statement to say if product_list_price is 0 dont display a buy now button..

   case 'PRODUCT_LIST_BUY_NOW':
            $lc_align = 'center';
		if ($define_list['PRODUCT_LIST_PRICE']== '0'){ //fix for call for price
		$lc_text = ' ';
		} else {
		$lc_text = osc_link_object(osc_href_link(basename($_SERVER['SCRIPT_FILENAME']), $osC_Product->getKeyword() . '&' . osc_get_all_get_params(array('action')) . '&action=cart_add'), osc_draw_image_button('button_buy_now.gif', $osC_Language->get('button_buy_now'))) . ' '; 
		} break;
        }

However its not working, Im unsure if its because my IF statement is correct or not, Ive read a few tutorials on google regarding it and im sure all the above code is correct, Can anybody tell me if theres something wrong or if it may be another matter?

spfoonnewb · January 9, 2010

The code looks fine. Did you define the constant PRODUCT_LIST_PRICE? Here is an example:

<?php
define("PRODUCT_LIST_PRICE", "0");

$define_list = array(
'PRODUCT_LIST_MODEL' => PRODUCT_LIST_MODEL,
'PRODUCT_LIST_NAME' => PRODUCT_LIST_NAME,
'PRODUCT_LIST_MANUFACTURER' => PRODUCT_LIST_MANUFACTURER,
'PRODUCT_LIST_PRICE' => PRODUCT_LIST_PRICE,
'PRODUCT_LIST_QUANTITY' => PRODUCT_LIST_QUANTITY,
'PRODUCT_LIST_WEIGHT' => PRODUCT_LIST_WEIGHT,
'PRODUCT_LIST_IMAGE' => PRODUCT_LIST_IMAGE,
'PRODUCT_LIST_BUY_NOW' => PRODUCT_LIST_BUY_NOW
);

$lc_align = 'center';

switch ("PRODUCT_LIST_BUY_NOW")
{
case 'PRODUCT_LIST_BUY_NOW':

	if ($define_list['PRODUCT_LIST_PRICE'] == '0')
	{
		$lc_text = 'a space';
	}
	else
	{
		$lc_text = 'the button';
	}

break;
}

echo $lc_text;

?>

liamloveslearning · January 9, 2010

Hi spfoonnewb,

I havent no, I thought I wouldnt need to with it begin within the array?

spfoonnewb · January 9, 2010

Everything has to be defined, even if its in an array. Are you getting these values out of a database?

liamloveslearning · January 9, 2010

Ahhh, and I presume so, its an osCommerce install on my friends machine im just trying to modify parts of it, I cant get my head around it at all. The page doesnt seem to have any requirements or anything tho, and nothing defined..

<?php
/*
  $Id$

  osCommerce, Open Source E-Commerce Solutions
  http://www.oscommerce.com

  Copyright (c) 2007 osCommerce

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License v2 (1991)
  as published by the Free Software Foundation.
*/

// create column list

  $define_list = array('PRODUCT_LIST_MODEL' => PRODUCT_LIST_MODEL,
                       'PRODUCT_LIST_NAME' => PRODUCT_LIST_NAME,
                       'PRODUCT_LIST_MANUFACTURER' => PRODUCT_LIST_MANUFACTURER,
                       'PRODUCT_LIST_PRICE' => PRODUCT_LIST_PRICE,
                       'PRODUCT_LIST_QUANTITY' => PRODUCT_LIST_QUANTITY,
                       'PRODUCT_LIST_WEIGHT' => PRODUCT_LIST_WEIGHT,
                       'PRODUCT_LIST_IMAGE' => PRODUCT_LIST_IMAGE,
                       'PRODUCT_LIST_BUY_NOW' => PRODUCT_LIST_BUY_NOW);

  asort($define_list);

  $column_list = array();
  reset($define_list);
  while (list($key, $value) = each($define_list)) {
    if ($value > 0) $column_list[] = $key;
  }

  if ( ($Qlisting->numberOfRows() > 0) && ( (PREV_NEXT_BAR_LOCATION == '1') || (PREV_NEXT_BAR_LOCATION == '3') ) ) {
?>

<div class="listingPageLinks">
  <span style="float: right;"><?php echo $Qlisting->getBatchPageLinks('page', osc_get_all_get_params(array('page', 'info', 'x', 'y'))); ?></span>

  <?php echo $Qlisting->getBatchTotalPages($osC_Language->get('result_set_number_of_products')); ?>
</div>

<?php
  }
?>

<div>
  
<?php
  if ($Qlisting->numberOfRows() > 0) {
?>

  <table border="0" width="100%" cellspacing="0" cellpadding="2">
    <tr>

<?php
    for ($col=0, $n=sizeof($column_list); $col<$n; $col++) {
      $lc_key = false;
      $lc_align = '';

      switch ($column_list[$col]) {
        case 'PRODUCT_LIST_MODEL':
          $lc_text = $osC_Language->get('listing_model_heading');
          $lc_key = 'model';
          break;
        case 'PRODUCT_LIST_NAME':
          $lc_text = $osC_Language->get('listing_products_heading');
          $lc_key = 'name';
          break;
        case 'PRODUCT_LIST_MANUFACTURER':
          $lc_text = $osC_Language->get('listing_manufacturer_heading');
          $lc_key = 'manufacturer';
          break;
        case 'PRODUCT_LIST_PRICE':
          $lc_text = $osC_Language->get('listing_price_heading');
          $lc_key = 'price';
          $lc_align = 'right';
          break;
        case 'PRODUCT_LIST_QUANTITY':
          $lc_text = $osC_Language->get('listing_quantity_heading');
          $lc_key = 'quantity';
          $lc_align = 'right';
          break;
        case 'PRODUCT_LIST_WEIGHT':
          $lc_text = $osC_Language->get('listing_weight_heading');
          $lc_key = 'weight';
          $lc_align = 'right';
          break;
        case 'PRODUCT_LIST_IMAGE':
          $lc_text = $osC_Language->get('listing_image_heading');
          $lc_align = 'center';
          break;
        case 'PRODUCT_LIST_BUY_NOW':
          $lc_text = $osC_Language->get('listing_buy_now_heading');
          $lc_align = 'center';
          break;
      }

      if ($lc_key !== false) {
        $lc_text = osc_create_sort_heading($lc_key, $lc_text);
      }

      echo '      <td align="' . $lc_align . '" class="productListing-heading"> ' . $lc_text . ' </td>' . "\n";
    }
?>

    </tr>

<?php
    $rows = 0;

    while ($Qlisting->next()) {
      $osC_Product = new osC_Product($Qlisting->valueInt('products_id'));

      $rows++;

      echo '    <tr class="' . ((($rows/2) == floor($rows/2)) ? 'productListing-even' : 'productListing-odd') . '">' . "\n";

      for ($col=0, $n=sizeof($column_list); $col<$n; $col++) {
        $lc_align = '';

        switch ($column_list[$col]) {
          case 'PRODUCT_LIST_MODEL':
            $lc_align = '';
            $lc_text = ' ' . $osC_Product->getModel() . ' ';
            break;
          case 'PRODUCT_LIST_NAME':
            $lc_align = '';
            if (isset($_GET['manufacturers'])) {
              $lc_text = osc_link_object(osc_href_link(FILENAME_PRODUCTS, $osC_Product->getKeyword() . '&manufacturers=' . $_GET['manufacturers']), $osC_Product->getTitle());
            } else {
              $lc_text = ' ' . osc_link_object(osc_href_link(FILENAME_PRODUCTS, $osC_Product->getKeyword() . ($cPath ? '&cPath=' . $cPath : '')), $osC_Product->getTitle()) . ' ';
            }
            break;
          case 'PRODUCT_LIST_MANUFACTURER':
            $lc_align = '';
            $lc_text = ' ';

            if ( $osC_Product->hasManufacturer() ) {
              $lc_text = ' ' . osc_link_object(osc_href_link(FILENAME_DEFAULT, 'manufacturers=' . $osC_Product->getManufacturerID()), $osC_Product->getManufacturer()) . ' ';
            }
            break;
          case 'PRODUCT_LIST_PRICE':
            $lc_align = 'right';
            $lc_text = ' ' . $osC_Product->getPriceFormated() . ' ';
            break;

          case 'PRODUCT_LIST_QUANTITY':
            $lc_align = 'right';
            $lc_text = ' ' . $osC_Product->getQuantity() . ' ';
            break;
          case 'PRODUCT_LIST_WEIGHT':
            $lc_align = 'right';
            $lc_text = ' ' . $osC_Product->getWeight() . ' ';
            break;
          case 'PRODUCT_LIST_IMAGE':
            $lc_align = 'center';
            if (isset($_GET['manufacturers'])) {
              $lc_text = osc_link_object(osc_href_link(FILENAME_PRODUCTS, $osC_Product->getKeyword() . '&manufacturers=' . $_GET['manufacturers']), $osC_Image->show($osC_Product->getImage(), $osC_Product->getTitle()));
            } else {
              $lc_text = ' ' . osc_link_object(osc_href_link(FILENAME_PRODUCTS, $osC_Product->getKeyword() . ($cPath ? '&cPath=' . $cPath : '')), $osC_Image->show($osC_Product->getImage(), $osC_Product->getTitle())) . ' ';
            }
            break;
          case 'PRODUCT_LIST_BUY_NOW':
            $lc_align = 'center';
		if ($define_list['PRODUCT_LIST_PRICE']== '0'){ //fix for call for price
		$lc_text = ' ';
		} else {
		$lc_text = osc_link_object(osc_href_link(basename($_SERVER['SCRIPT_FILENAME']), $osC_Product->getKeyword() . '&' . osc_get_all_get_params(array('action')) . '&action=cart_add'), osc_draw_image_button('button_buy_now.gif', $osC_Language->get('button_buy_now'))) . ' '; 
		} break;
        }

        echo '      <td ' . ((empty($lc_align) === false) ? 'align="' . $lc_align . '" ' : '') . 'class="productListing-data">' . $lc_text . '</td>' . "\n";
      }

      echo '    </tr>' . "\n";
    }
?>

  </table>

<?php
  } else {
    echo $osC_Language->get('no_products_in_category');
  }
?>

</div>

<?php
  if ( ($Qlisting->numberOfRows() > 0) && ((PREV_NEXT_BAR_LOCATION == '2') || (PREV_NEXT_BAR_LOCATION == '3')) ) {
?>

<div class="listingPageLinks">
  <span style="float: right;"><?php echo $Qlisting->getBatchPageLinks('page', osc_get_all_get_params(array('page', 'info', 'x', 'y'))); ?></span>

  <?php echo $Qlisting->getBatchTotalPages($osC_Language->get('result_set_number_of_products')); ?>
</div>

<?php
  }
?>

liamloveslearning · January 9, 2010

Looking back now, I think because theres no data being called, thats why my IF statement isnt working as it should?

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