Product Review Page

[jerlynn]

I am receiving an error message when I click on "product review" on this page. http://jerlynnseikowatches.com/catalog/pro...products_id/251

I can see the spacing on the page is not correct. Here is the error.

 

Warning: Division by zero in /hsphere/local/home-local/jerlynn/jerlynnseikowatches.com/catalog/includes/classes/split_page_results.php on line 59.

 

Here is the code for that page. If someone can spot the problem, I would sure appreciate it.

 

<?php

/*

$Id: split_page_results.php,v 1.15 2003/06/09 22:35:34 hpdl Exp $

 

osCommerce, Open Source E-Commerce Solutions

http://www.oscommerce.com

 

Copyright © 2003 osCommerce

 

Released under the GNU General Public License

*/

 

class splitPageResults {

var $sql_query, $number_of_rows, $current_page_number, $number_of_pages, $number_of_rows_per_page, $page_name;

 

/* class constructor */

function splitPageResults($query, $max_rows, $count_key = '*', $page_holder = 'page') {

global $HTTP_GET_VARS, $HTTP_POST_VARS;

 

$this->sql_query = $query;

$this->page_name = $page_holder;

 

if (isset($HTTP_GET_VARS[$page_holder])) {

$page = $HTTP_GET_VARS[$page_holder];

} elseif (isset($HTTP_POST_VARS[$page_holder])) {

$page = $HTTP_POST_VARS[$page_holder];

} else {

$page = '';

}

 

if (empty($page) || !is_numeric($page)) $page = 1;

$this->current_page_number = $page;

 

$this->number_of_rows_per_page = $max_rows;

 

$pos_to = strlen($this->sql_query);

$pos_from = strpos($this->sql_query, ' from', 0);

 

$pos_group_by = strpos($this->sql_query, ' group by', $pos_from);

if (($pos_group_by < $pos_to) && ($pos_group_by != false)) $pos_to = $pos_group_by;

 

$pos_having = strpos($this->sql_query, ' having', $pos_from);

if (($pos_having < $pos_to) && ($pos_having != false)) $pos_to = $pos_having;

 

$pos_order_by = strpos($this->sql_query, ' order by', $pos_from);

if (($pos_order_by < $pos_to) && ($pos_order_by != false)) $pos_to = $pos_order_by;

 

if (strpos($this->sql_query, 'distinct') || strpos($this->sql_query, 'group by')) {

$count_string = 'distinct ' . tep_db_input($count_key);

} else {

$count_string = tep_db_input($count_key);

}

 

$count_query = tep_db_query("select count(" . $count_string . ") as total " . substr($this->sql_query, $pos_from, ($pos_to - $pos_from)));

$count = tep_db_fetch_array($count_query);

 

$this->number_of_rows = $count['total'];

 

$this->number_of_pages = ceil($this->number_of_rows / $this->number_of_rows_per_page);

 

if ($this->current_page_number > $this->number_of_pages) {

$this->current_page_number = $this->number_of_pages;

}

 

$offset = ($this->number_of_rows_per_page * ($this->current_page_number - 1));

 

$this->sql_query .= " limit " . $offset . ", " . $this->number_of_rows_per_page;

}

 

/* class functions */

 

// display split-page-number-links

function display_links($max_page_links, $parameters = '') {

global $PHP_SELF, $request_type;

 

$display_links_string = '';

 

$class = 'class="pageResults"';

 

if (tep_not_null($parameters) && (substr($parameters, -1) != '&')) $parameters .= '&';

 

// previous button - not displayed on first page

if ($this->current_page_number > 1) $display_links_string .= '<a href="' . tep_href_link(basename($PHP_SELF), $parameters . $this->page_name . '=' . ($this->current_page_number - 1), $request_type) . '" class="pageResults" title=" ' . PREVNEXT_TITLE_PREVIOUS_PAGE . ' "><u>' . PREVNEXT_BUTTON_PREV . '</u></a>  ';

 

// check if number_of_pages > $max_page_links

$cur_window_num = intval($this->current_page_number / $max_page_links);

if ($this->current_page_number % $max_page_links) $cur_window_num++;

 

$max_window_num = intval($this->number_of_pages / $max_page_links);

if ($this->number_of_pages % $max_page_links) $max_window_num++;

 

// previous window of pages

if ($cur_window_num > 1) $display_links_string .= '<a href="' . tep_href_link(basename($PHP_SELF), $parameters . $this->page_name . '=' . (($cur_window_num - 1) * $max_page_links), $request_type) . '" class="pageResults" title=" ' . sprintf(PREVNEXT_TITLE_PREV_SET_OF_NO_PAGE, $max_page_links) . ' ">...</a>';

 

// page nn button

for ($jump_to_page = 1 + (($cur_window_num - 1) * $max_page_links); ($jump_to_page <= ($cur_window_num * $max_page_links)) && ($jump_to_page <= $this->number_of_pages); $jump_to_page++) {

if ($jump_to_page == $this->current_page_number) {

$display_links_string .= ' <b>' . $jump_to_page . '</b> ';

} else {

$display_links_string .= ' <a href="' . tep_href_link(basename($PHP_SELF), $parameters . $this->page_name . '=' . $jump_to_page, $request_type) . '" class="pageResults" title=" ' . sprintf(PREVNEXT_TITLE_PAGE_NO, $jump_to_page) . ' "><u>' . $jump_to_page . '</u></a> ';

}

}

 

// next window of pages

if ($cur_window_num < $max_window_num) $display_links_string .= '<a href="' . tep_href_link(basename($PHP_SELF), $parameters . $this->page_name . '=' . (($cur_window_num) * $max_page_links + 1), $request_type) . '" class="pageResults" title=" ' . sprintf(PREVNEXT_TITLE_NEXT_SET_OF_NO_PAGE, $max_page_links) . ' ">...</a> ';

 

// next button

if (($this->current_page_number < $this->number_of_pages) && ($this->number_of_pages != 1)) $display_links_string .= ' <a href="' . tep_href_link(basename($PHP_SELF), $parameters . 'page=' . ($this->current_page_number + 1), $request_type) . '" class="pageResults" title=" ' . PREVNEXT_TITLE_NEXT_PAGE . ' "><u>' . PREVNEXT_BUTTON_NEXT . '</u></a> ';

 

return $display_links_string;

}

 

// display number of total products found

function display_count($text_output) {

$to_num = ($this->number_of_rows_per_page * $this->current_page_number);

if ($to_num > $this->number_of_rows) $to_num = $this->number_of_rows;

 

$from_num = ($this->number_of_rows_per_page * ($this->current_page_number - 1));

 

if ($to_num == 0) {

$from_num = 0;

} else {

$from_num++;

}

 

return sprintf($text_output, $from_num, $to_num, $this->number_of_rows);

}

}

?>