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general.php
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general.php
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<?php
/*
$Id$
osCommerce, Open Source E-Commerce Solutions
http://www.oscommerce.com
Copyright (c) 2007 osCommerce
Released under the GNU General Public License
*/
////
// Stop from parsing any further PHP code
function tep_exit() {
tep_session_close();
exit();
}
////
// Redirect to another page or site
function tep_redirect($url) {
if ( (strstr($url, "\n") != false) || (strstr($url, "\r") != false) ) {
tep_redirect(tep_href_link(FILENAME_DEFAULT, '', 'NONSSL', false));
}
if ( (ENABLE_SSL == true) && (getenv('HTTPS') == 'on') ) { // We are loading an SSL page
if (substr($url, 0, strlen(HTTP_SERVER)) == HTTP_SERVER) { // NONSSL url
$url = HTTPS_SERVER . substr($url, strlen(HTTP_SERVER)); // Change it to SSL
}
}
header('Location: ' . $url);
tep_exit();
}
////
// Parse the data used in the html tags to ensure the tags will not break
function tep_parse_input_field_data($data, $parse) {
return strtr(trim($data), $parse);
}
function tep_output_string($string, $translate = false, $protected = false) {
if ($protected == true) {
return htmlspecialchars($string);
} else {
if ($translate == false) {
return tep_parse_input_field_data($string, array('"' => '"'));
} else {
return tep_parse_input_field_data($string, $translate);
}
}
}
function tep_output_string_protected($string) {
return tep_output_string($string, false, true);
}
function tep_sanitize_string($string) {
$patterns = array ('/ +/','/[<>]/');
$replace = array (' ', '_');
return preg_replace($patterns, $replace, trim($string));
}
////
// Return a random row from a database query
function tep_random_select($query) {
$random_product = '';
$random_query = tep_db_query($query);
$num_rows = tep_db_num_rows($random_query);
if ($num_rows > 0) {
$random_row = tep_rand(0, ($num_rows - 1));
tep_db_data_seek($random_query, $random_row);
$random_product = tep_db_fetch_array($random_query);
}
return $random_product;
}
////
// Return a product's name
// TABLES: products
function tep_get_products_name($product_id, $language = '') {
global $languages_id;
if (empty($language)) $language = $languages_id;
$product_query = tep_db_query("select products_name from " . TABLE_PRODUCTS_DESCRIPTION . " where products_id = '" . (int)$product_id . "' and language_id = '" . (int)$language . "'");
$product = tep_db_fetch_array($product_query);
return $product['products_name'];
}
////
// Return a product's special price (returns nothing if there is no offer)
// TABLES: products
function tep_get_products_special_price($product_id) {
$product_query = tep_db_query("select specials_new_products_price from " . TABLE_SPECIALS . " where products_id = '" . (int)$product_id . "' and status");
$product = tep_db_fetch_array($product_query);
return $product['specials_new_products_price'];
}
////
// Return a product's stock
// TABLES: products
function tep_get_products_stock($products_id) {
$products_id = tep_get_prid($products_id);
$stock_query = tep_db_query("select products_quantity from " . TABLE_PRODUCTS . " where products_id = '" . (int)$products_id . "'");
$stock_values = tep_db_fetch_array($stock_query);
return $stock_values['products_quantity'];
}
////
// Check if the required stock is available
// If insufficent stock is available return an out of stock message
function tep_check_stock($products_id, $products_quantity) {
$stock_left = tep_get_products_stock($products_id) - $products_quantity;
$out_of_stock = '';
if ($stock_left < 0) {
$out_of_stock = '<span class="markProductOutOfStock">' . STOCK_MARK_PRODUCT_OUT_OF_STOCK . '</span>';
}
return $out_of_stock;
}
////
// Break a word in a string if it is longer than a specified length ($len)
function tep_break_string($string, $len, $break_char = '-') {
$l = 0;
$output = '';
for ($i=0, $n=strlen($string); $i<$n; $i++) {
$char = substr($string, $i, 1);
if ($char != ' ') {
$l++;
} else {
$l = 0;
}
if ($l > $len) {
$l = 1;
$output .= $break_char;
}
$output .= $char;
}
return $output;
}
////
// Return all HTTP GET variables, except those passed as a parameter
function tep_get_all_get_params($exclude_array = '') {
global $HTTP_GET_VARS;
if (!is_array($exclude_array)) $exclude_array = array();
$get_url = '';
if (is_array($HTTP_GET_VARS) && (sizeof($HTTP_GET_VARS) > 0)) {
reset($HTTP_GET_VARS);
while (list($key, $value) = each($HTTP_GET_VARS)) {
if ( (strlen($value) > 0) && ($key != tep_session_name()) && ($key != 'error') && (!in_array($key, $exclude_array)) && ($key != 'x') && ($key != 'y') ) {
$get_url .= $key . '=' . rawurlencode(stripslashes($value)) . '&';
}
}
}
return $get_url;
}
////
// Returns an array with countries
// TABLES: countries
function tep_get_countries($countries_id = '', $with_iso_codes = false) {
$countries_array = array();
if (tep_not_null($countries_id)) {
if ($with_iso_codes == true) {
$countries = tep_db_query("select countries_name, countries_iso_code_2, countries_iso_code_3 from " . TABLE_COUNTRIES . " where countries_id = '" . (int)$countries_id . "' order by countries_name");
$countries_values = tep_db_fetch_array($countries);
$countries_array = array('countries_name' => $countries_values['countries_name'],
'countries_iso_code_2' => $countries_values['countries_iso_code_2'],
'countries_iso_code_3' => $countries_values['countries_iso_code_3']);
} else {
$countries = tep_db_query("select countries_name from " . TABLE_COUNTRIES . " where countries_id = '" . (int)$countries_id . "'");
$countries_values = tep_db_fetch_array($countries);
$countries_array = array('countries_name' => $countries_values['countries_name']);
}
} else {
$countries = tep_db_query("select countries_id, countries_name from " . TABLE_COUNTRIES . " order by countries_name");
while ($countries_values = tep_db_fetch_array($countries)) {
$countries_array[] = array('countries_id' => $countries_values['countries_id'],
'countries_name' => $countries_values['countries_name']);
}
}
return $countries_array;
}
////
// Alias function to tep_get_countries, which also returns the countries iso codes
function tep_get_countries_with_iso_codes($countries_id) {
return tep_get_countries($countries_id, true);
}
////
// Generate a path to categories
function tep_get_path($current_category_id = '') {
global $cPath_array;
if (tep_not_null($current_category_id)) {
$cp_size = sizeof($cPath_array);
if ($cp_size == 0) {
$cPath_new = $current_category_id;
} else {
$cPath_new = '';
$last_category_query = tep_db_query("select parent_id from " . TABLE_CATEGORIES . " where categories_id = '" . (int)$cPath_array[($cp_size-1)] . "'");
$last_category = tep_db_fetch_array($last_category_query);
$current_category_query = tep_db_query("select parent_id from " . TABLE_CATEGORIES . " where categories_id = '" . (int)$current_category_id . "'");
$current_category = tep_db_fetch_array($current_category_query);
if ($last_category['parent_id'] == $current_category['parent_id']) {
for ($i=0; $i<($cp_size-1); $i++) {
$cPath_new .= '_' . $cPath_array[$i];
}
} else {
for ($i=0; $i<$cp_size; $i++) {
$cPath_new .= '_' . $cPath_array[$i];
}
}
$cPath_new .= '_' . $current_category_id;
if (substr($cPath_new, 0, 1) == '_') {
$cPath_new = substr($cPath_new, 1);
}
}
} else {
$cPath_new = implode('_', $cPath_array);
}
return 'cPath=' . $cPath_new;
}
////
// Returns the clients browser
function tep_browser_detect($component) {
global $HTTP_USER_AGENT;
return stristr($HTTP_USER_AGENT, $component);
}
////
// Alias function to tep_get_countries()
function tep_get_country_name($country_id) {
$country_array = tep_get_countries($country_id);
return $country_array['countries_name'];
}
////
// Returns the zone (State/Province) name
// TABLES: zones
function tep_get_zone_name($country_id, $zone_id, $default_zone) {
$zone_query = tep_db_query("select zone_name from " . TABLE_ZONES . " where zone_country_id = '" . (int)$country_id . "' and zone_id = '" . (int)$zone_id . "'");
if (tep_db_num_rows($zone_query)) {
$zone = tep_db_fetch_array($zone_query);
return $zone['zone_name'];
} else {
return $default_zone;
}
}
////
// Returns the zone (State/Province) code
// TABLES: zones
function tep_get_zone_code($country_id, $zone_id, $default_zone) {
$zone_query = tep_db_query("select zone_code from " . TABLE_ZONES . " where zone_country_id = '" . (int)$country_id . "' and zone_id = '" . (int)$zone_id . "'");
if (tep_db_num_rows($zone_query)) {
$zone = tep_db_fetch_array($zone_query);
return $zone['zone_code'];
} else {
return $default_zone;
}
}
////
// Wrapper function for round()
function tep_round($number, $precision) {
if (strpos($number, '.') && (strlen(substr($number, strpos($number, '.')+1)) > $precision)) {
$number = substr($number, 0, strpos($number, '.') + 1 + $precision + 1);
if (substr($number, -1) >= 5) {
if ($precision > 1) {
$number = substr($number, 0, -1) + ('0.' . str_repeat(0, $precision-1) . '1');
} elseif ($precision == 1) {
$number = substr($number, 0, -1) + 0.1;
} else {
$number = substr($number, 0, -1) + 1;
}
} else {
$number = substr($number, 0, -1);
}
}
return $number;
}
////
// Returns the tax rate for a zone / class
// TABLES: tax_rates, zones_to_geo_zones
function tep_get_tax_rate($class_id, $country_id = -1, $zone_id = -1) {
global $customer_zone_id, $customer_country_id;
if ( ($country_id == -1) && ($zone_id == -1) ) {
if (!tep_session_is_registered('customer_id')) {
$country_id = STORE_COUNTRY;
$zone_id = STORE_ZONE;
} else {
$country_id = $customer_country_id;
$zone_id = $customer_zone_id;
}
}
$tax_query = tep_db_query("select sum(tax_rate) as tax_rate from " . TABLE_TAX_RATES . " tr left join " . TABLE_ZONES_TO_GEO_ZONES . " za on (tr.tax_zone_id = za.geo_zone_id) left join " . TABLE_GEO_ZONES . " tz on (tz.geo_zone_id = tr.tax_zone_id) where (za.zone_country_id is null or za.zone_country_id = '0' or za.zone_country_id = '" . (int)$country_id . "') and (za.zone_id is null or za.zone_id = '0' or za.zone_id = '" . (int)$zone_id . "') and tr.tax_class_id = '" . (int)$class_id . "' group by tr.tax_priority");
if (tep_db_num_rows($tax_query)) {
$tax_multiplier = 1.0;
while ($tax = tep_db_fetch_array($tax_query)) {
$tax_multiplier *= 1.0 + ($tax['tax_rate'] / 100);
}
return ($tax_multiplier - 1.0) * 100;
} else {
return 0;
}
}
////
// Return the tax description for a zone / class
// TABLES: tax_rates;
function tep_get_tax_description($class_id, $country_id, $zone_id) {
$tax_query = tep_db_query("select tax_description from " . TABLE_TAX_RATES . " tr left join " . TABLE_ZONES_TO_GEO_ZONES . " za on (tr.tax_zone_id = za.geo_zone_id) left join " . TABLE_GEO_ZONES . " tz on (tz.geo_zone_id = tr.tax_zone_id) where (za.zone_country_id is null or za.zone_country_id = '0' or za.zone_country_id = '" . (int)$country_id . "') and (za.zone_id is null or za.zone_id = '0' or za.zone_id = '" . (int)$zone_id . "') and tr.tax_class_id = '" . (int)$class_id . "' order by tr.tax_priority");
if (tep_db_num_rows($tax_query)) {
$tax_description = '';
while ($tax = tep_db_fetch_array($tax_query)) {
$tax_description .= $tax['tax_description'] . ' + ';
}
$tax_description = substr($tax_description, 0, -3);
return $tax_description;
} else {
return TEXT_UNKNOWN_TAX_RATE;
}
}
////
// Add tax to a products price
function tep_add_tax($price, $tax) {
if ( (DISPLAY_PRICE_WITH_TAX == 'true') && ($tax > 0) ) {
return $price + tep_calculate_tax($price, $tax);
} else {
return $price;
}
}
// Calculates Tax rounding the result
function tep_calculate_tax($price, $tax) {
return $price * $tax / 100;
}
////
// Return the number of products in a category
// TABLES: products, products_to_categories, categories
function tep_count_products_in_category($category_id, $include_inactive = false) {
$products_count = 0;
if ($include_inactive == true) {
$products_query = tep_db_query("select count(*) as total from " . TABLE_PRODUCTS . " p, " . TABLE_PRODUCTS_TO_CATEGORIES . " p2c where p.products_id = p2c.products_id and p2c.categories_id = '" . (int)$category_id . "'");
} else {
$products_query = tep_db_query("select count(*) as total from " . TABLE_PRODUCTS . " p, " . TABLE_PRODUCTS_TO_CATEGORIES . " p2c where p.products_id = p2c.products_id and p.products_status = '1' and p2c.categories_id = '" . (int)$category_id . "'");
}
$products = tep_db_fetch_array($products_query);
$products_count += $products['total'];
$child_categories_query = tep_db_query("select categories_id from " . TABLE_CATEGORIES . " where parent_id = '" . (int)$category_id . "'");
if (tep_db_num_rows($child_categories_query)) {
while ($child_categories = tep_db_fetch_array($child_categories_query)) {
$products_count += tep_count_products_in_category($child_categories['categories_id'], $include_inactive);
}
}
return $products_count;
}
////
// Return true if the category has subcategories
// TABLES: categories
function tep_has_category_subcategories($category_id) {
$child_category_query = tep_db_query("select count(*) as count from " . TABLE_CATEGORIES . " where parent_id = '" . (int)$category_id . "'");
$child_category = tep_db_fetch_array($child_category_query);
if ($child_category['count'] > 0) {
return true;
} else {
return false;
}
}
////
// Returns the address_format_id for the given country
// TABLES: countries;
function tep_get_address_format_id($country_id) {
$address_format_query = tep_db_query("select address_format_id as format_id from " . TABLE_COUNTRIES . " where countries_id = '" . (int)$country_id . "'");
if (tep_db_num_rows($address_format_query)) {
$address_format = tep_db_fetch_array($address_format_query);
return $address_format['format_id'];
} else {
return '1';
}
}
////
// Return a formatted address
// TABLES: address_format
function tep_address_format($address_format_id, $address, $html, $boln, $eoln) {
$address_format_query = tep_db_query("select address_format as format from " . TABLE_ADDRESS_FORMAT . " where address_format_id = '" . (int)$address_format_id . "'");
$address_format = tep_db_fetch_array($address_format_query);
$company = tep_output_string_protected($address['company']);
if (isset($address['firstname']) && tep_not_null($address['firstname'])) {
$firstname = tep_output_string_protected($address['firstname']);
$lastname = tep_output_string_protected($address['lastname']);
} elseif (isset($address['name']) && tep_not_null($address['name'])) {
$firstname = tep_output_string_protected($address['name']);
$lastname = '';
} else {
$firstname = '';
$lastname = '';
}
$street = tep_output_string_protected($address['street_address']);
$suburb = tep_output_string_protected($address['suburb']);
$city = tep_output_string_protected($address['city']);
$state = tep_output_string_protected($address['state']);
if (isset($address['country_id']) && tep_not_null($address['country_id'])) {
$country = tep_get_country_name($address['country_id']);
if (isset($address['zone_id']) && tep_not_null($address['zone_id'])) {
$state = tep_get_zone_code($address['country_id'], $address['zone_id'], $state);
}
} elseif (isset($address['country']) && tep_not_null($address['country'])) {
$country = tep_output_string_protected($address['country']['title']);
} else {
$country = '';
}
$postcode = tep_output_string_protected($address['postcode']);
$zip = $postcode;
if ($html) {
// HTML Mode
$HR = '<hr>';
$hr = '<hr>';
if ( ($boln == '') && ($eoln == "\n") ) { // Values not specified, use rational defaults
$CR = '<br>';
$cr = '<br>';
$eoln = $cr;
} else { // Use values supplied
$CR = $eoln . $boln;
$cr = $CR;
}
} else {
// Text Mode
$CR = $eoln;
$cr = $CR;
$HR = '----------------------------------------';
$hr = '----------------------------------------';
}
$statecomma = '';
$streets = $street;
if ($suburb != '') $streets = $street . $cr . $suburb;
if ($state != '') $statecomma = $state . ', ';
$fmt = $address_format['format'];
eval("\$address = \"$fmt\";");
if ( (ACCOUNT_COMPANY == 'true') && (tep_not_null($company)) ) {
$address = $company . $cr . $address;
}
return $address;
}
////
// Return a formatted address
// TABLES: customers, address_book
function tep_address_label($customers_id, $address_id = 1, $html = false, $boln = '', $eoln = "\n") {
if (is_array($address_id) && !empty($address_id)) {
return tep_address_format($address_id['address_format_id'], $address_id, $html, $boln, $eoln);
}
$address_query = tep_db_query("select entry_firstname as firstname, entry_lastname as lastname, entry_company as company, entry_street_address as street_address, entry_suburb as suburb, entry_city as city, entry_postcode as postcode, entry_state as state, entry_zone_id as zone_id, entry_country_id as country_id from " . TABLE_ADDRESS_BOOK . " where customers_id = '" . (int)$customers_id . "' and address_book_id = '" . (int)$address_id . "'");
$address = tep_db_fetch_array($address_query);
$format_id = tep_get_address_format_id($address['country_id']);
return tep_address_format($format_id, $address, $html, $boln, $eoln);
}
function tep_row_number_format($number) {
if ( ($number < 10) && (substr($number, 0, 1) != '0') ) $number = '0' . $number;
return $number;
}
function tep_get_categories($categories_array = '', $parent_id = '0', $indent = '') {
global $languages_id;
if (!is_array($categories_array)) $categories_array = array();
$categories_query = tep_db_query("select c.categories_id, cd.categories_name from " . TABLE_CATEGORIES . " c, " . TABLE_CATEGORIES_DESCRIPTION . " cd where parent_id = '" . (int)$parent_id . "' and c.categories_id = cd.categories_id and cd.language_id = '" . (int)$languages_id . "' order by sort_order, cd.categories_name");
while ($categories = tep_db_fetch_array($categories_query)) {
$categories_array[] = array('id' => $categories['categories_id'],
'text' => $indent . $categories['categories_name']);
if ($categories['categories_id'] != $parent_id) {
$categories_array = tep_get_categories($categories_array, $categories['categories_id'], $indent . ' ');
}
}
return $categories_array;
}
function tep_get_manufacturers($manufacturers_array = '') {
if (!is_array($manufacturers_array)) $manufacturers_array = array();
$manufacturers_query = tep_db_query("select manufacturers_id, manufacturers_name from " . TABLE_MANUFACTURERS . " order by manufacturers_name");
while ($manufacturers = tep_db_fetch_array($manufacturers_query)) {
$manufacturers_array[] = array('id' => $manufacturers['manufacturers_id'], 'text' => $manufacturers['manufacturers_name']);
}
return $manufacturers_array;
}
////
// Return all subcategory IDs
// TABLES: categories
function tep_get_subcategories(&$subcategories_array, $parent_id = 0) {
$subcategories_query = tep_db_query("select categories_id from " . TABLE_CATEGORIES . " where parent_id = '" . (int)$parent_id . "'");
while ($subcategories = tep_db_fetch_array($subcategories_query)) {
$subcategories_array[sizeof($subcategories_array)] = $subcategories['categories_id'];
if ($subcategories['categories_id'] != $parent_id) {
tep_get_subcategories($subcategories_array, $subcategories['categories_id']);
}
}
}
// Output a raw date string in the selected locale date format
// $raw_date needs to be in this format: YYYY-MM-DD HH:MM:SS
function tep_date_long($raw_date) {
if ( ($raw_date == '0000-00-00 00:00:00') || ($raw_date == '') ) return false;
$year = (int)substr($raw_date, 0, 4);
$month = (int)substr($raw_date, 5, 2);
$day = (int)substr($raw_date, 8, 2);
$hour = (int)substr($raw_date, 11, 2);
$minute = (int)substr($raw_date, 14, 2);
$second = (int)substr($raw_date, 17, 2);
return strftime(DATE_FORMAT_LONG, mktime($hour,$minute,$second,$month,$day,$year));
}
////
// Output a raw date string in the selected locale date format
// $raw_date needs to be in this format: YYYY-MM-DD HH:MM:SS
// NOTE: Includes a workaround for dates before 01/01/1970 that fail on windows servers
function tep_date_short($raw_date) {
if ( ($raw_date == '0000-00-00 00:00:00') || empty($raw_date) ) return false;
$year = substr($raw_date, 0, 4);
$month = (int)substr($raw_date, 5, 2);
$day = (int)substr($raw_date, 8, 2);
$hour = (int)substr($raw_date, 11, 2);
$minute = (int)substr($raw_date, 14, 2);
$second = (int)substr($raw_date, 17, 2);
if (@date('Y', mktime($hour, $minute, $second, $month, $day, $year)) == $year) {
return date(DATE_FORMAT, mktime($hour, $minute, $second, $month, $day, $year));
} else {
return preg_replace('/2037/' . '$', $year, date(DATE_FORMAT, mktime($hour, $minute, $second, $month, $day, 2037)));
}
}
////
// Parse search string into indivual objects
function tep_parse_search_string($search_str = '', &$objects) {
$search_str = trim(strtolower($search_str));
// Break up $search_str on whitespace; quoted string will be reconstructed later
$pieces = preg_split('/[[:space:]]+/', $search_str);
$objects = array();
$tmpstring = '';
$flag = '';
for ($k=0; $k<count($pieces); $k++) {
while (substr($pieces[$k], 0, 1) == '(') {
$objects[] = '(';
if (strlen($pieces[$k]) > 1) {
$pieces[$k] = substr($pieces[$k], 1);
} else {
$pieces[$k] = '';
}
}
$post_objects = array();
while (substr($pieces[$k], -1) == ')') {
$post_objects[] = ')';
if (strlen($pieces[$k]) > 1) {
$pieces[$k] = substr($pieces[$k], 0, -1);
} else {
$pieces[$k] = '';
}
}
// Check individual words
if ( (substr($pieces[$k], -1) != '"') && (substr($pieces[$k], 0, 1) != '"') ) {
$objects[] = trim($pieces[$k]);
for ($j=0; $j<count($post_objects); $j++) {
$objects[] = $post_objects[$j];
}
} else {
/* This means that the $piece is either the beginning or the end of a string.
So, we'll slurp up the $pieces and stick them together until we get to the
end of the string or run out of pieces.
*/
// Add this word to the $tmpstring, starting the $tmpstring
$tmpstring = trim(preg_replace('/"/', ' ', $pieces[$k]));
// Check for one possible exception to the rule. That there is a single quoted word.
if (substr($pieces[$k], -1 ) == '"') {
// Turn the flag off for future iterations
$flag = 'off';
$objects[] = trim($pieces[$k]);
for ($j=0; $j<count($post_objects); $j++) {
$objects[] = $post_objects[$j];
}
unset($tmpstring);
// Stop looking for the end of the string and move onto the next word.
continue;
}
// Otherwise, turn on the flag to indicate no quotes have been found attached to this word in the string.
$flag = 'on';
// Move on to the next word
$k++;
// Keep reading until the end of the string as long as the $flag is on
while ( ($flag == 'on') && ($k < count($pieces)) ) {
while (substr($pieces[$k], -1) == ')') {
$post_objects[] = ')';
if (strlen($pieces[$k]) > 1) {
$pieces[$k] = substr($pieces[$k], 0, -1);
} else {
$pieces[$k] = '';
}
}
// If the word doesn't end in double quotes, append it to the $tmpstring.
if (substr($pieces[$k], -1) != '"') {
// Tack this word onto the current string entity
$tmpstring .= ' ' . $pieces[$k];
// Move on to the next word
$k++;
continue;
} else {
/* If the $piece ends in double quotes, strip the double quotes, tack the
$piece onto the tail of the string, push the $tmpstring onto the $haves,
kill the $tmpstring, turn the $flag "off", and return.
*/
$tmpstring .= ' ' . trim(preg_replace('/"/', ' ', $pieces[$k]));
// Push the $tmpstring onto the array of stuff to search for
$objects[] = trim($tmpstring);
for ($j=0; $j<count($post_objects); $j++) {
$objects[] = $post_objects[$j];
}
unset($tmpstring);
// Turn off the flag to exit the loop
$flag = 'off';
}
}
}
}
// add default logical operators if needed
$temp = array();
for($i=0; $i<(count($objects)-1); $i++) {
$temp[] = $objects[$i];
if ( ($objects[$i] != 'and') &&
($objects[$i] != 'or') &&
($objects[$i] != '(') &&
($objects[$i+1] != 'and') &&
($objects[$i+1] != 'or') &&
($objects[$i+1] != ')') ) {
$temp[] = ADVANCED_SEARCH_DEFAULT_OPERATOR;
}
}
$temp[] = $objects[$i];
$objects = $temp;
$keyword_count = 0;
$operator_count = 0;
$balance = 0;
for($i=0; $i<count($objects); $i++) {
if ($objects[$i] == '(') $balance --;
if ($objects[$i] == ')') $balance ++;
if ( ($objects[$i] == 'and') || ($objects[$i] == 'or') ) {
$operator_count ++;
} elseif ( ($objects[$i]) && ($objects[$i] != '(') && ($objects[$i] != ')') ) {
$keyword_count ++;
}
}
if ( ($operator_count < $keyword_count) && ($balance == 0) ) {
return true;
} else {
return false;
}
}
////
// Check date
function tep_checkdate($date_to_check, $format_string, &$date_array) {
$separator_idx = -1;
$separators = array('-', ' ', '/', '.');
$month_abbr = array('jan','feb','mar','apr','may','jun','jul','aug','sep','oct','nov','dec');
$no_of_days = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
$format_string = strtolower($format_string);
if (strlen($date_to_check) != strlen($format_string)) {
return false;
}
$size = sizeof($separators);
for ($i=0; $i<$size; $i++) {
$pos_separator = strpos($date_to_check, $separators[$i]);
if ($pos_separator != false) {
$date_separator_idx = $i;
break;
}
}
for ($i=0; $i<$size; $i++) {
$pos_separator = strpos($format_string, $separators[$i]);
if ($pos_separator != false) {
$format_separator_idx = $i;
break;
}
}
if ($date_separator_idx != $format_separator_idx) {
return false;
}
if ($date_separator_idx != -1) {
$format_string_array = explode( $separators[$date_separator_idx], $format_string );
if (sizeof($format_string_array) != 3) {
return false;
}
$date_to_check_array = explode( $separators[$date_separator_idx], $date_to_check );
if (sizeof($date_to_check_array) != 3) {
return false;
}
$size = sizeof($format_string_array);
for ($i=0; $i<$size; $i++) {
if ($format_string_array[$i] == 'mm' || $format_string_array[$i] == 'mmm') $month = $date_to_check_array[$i];
if ($format_string_array[$i] == 'dd') $day = $date_to_check_array[$i];
if ( ($format_string_array[$i] == 'yyyy') || ($format_string_array[$i] == 'aaaa') ) $year = $date_to_check_array[$i];
}
} else {
if (strlen($format_string) == 8 || strlen($format_string) == 9) {
$pos_month = strpos($format_string, 'mmm');
if ($pos_month != false) {
$month = substr( $date_to_check, $pos_month, 3 );
$size = sizeof($month_abbr);
for ($i=0; $i<$size; $i++) {
if ($month == $month_abbr[$i]) {
$month = $i;
break;
}
}
} else {
$month = substr($date_to_check, strpos($format_string, 'mm'), 2);
}
} else {
return false;
}
$day = substr($date_to_check, strpos($format_string, 'dd'), 2);
$year = substr($date_to_check, strpos($format_string, 'yyyy'), 4);
}
if (strlen($year) != 4) {
return false;
}
if (!settype($year, 'integer') || !settype($month, 'integer') || !settype($day, 'integer')) {
return false;
}
if ($month > 12 || $month < 1) {
return false;
}
if ($day < 1) {
return false;
}
if (tep_is_leap_year($year)) {
$no_of_days[1] = 29;
}
if ($day > $no_of_days[$month - 1]) {
return false;
}
$date_array = array($year, $month, $day);
return true;
}
////
// Check if year is a leap year
function tep_is_leap_year($year) {
if ($year % 100 == 0) {
if ($year % 400 == 0) return true;
} else {
if (($year % 4) == 0) return true;
}
return false;
}
////
// Return table heading with sorting capabilities
function tep_create_sort_heading($sortby, $colnum, $heading) {
global $PHP_SELF;
$sort_prefix = '';
$sort_suffix = '';
if ($sortby) {
$sort_prefix = '<a href="' . tep_href_link(basename($PHP_SELF), tep_get_all_get_params(array('page', 'info', 'sort')) . 'page=1&sort=' . $colnum . ($sortby == $colnum . 'a' ? 'd' : 'a')) . '" title="' . tep_output_string(TEXT_SORT_PRODUCTS . ($sortby == $colnum . 'd' || substr($sortby, 0, 1) != $colnum ? TEXT_ASCENDINGLY : TEXT_DESCENDINGLY) . TEXT_BY . $heading) . '" class="productListing-heading">' ;
$sort_suffix = (substr($sortby, 0, 1) == $colnum ? (substr($sortby, 1, 1) == 'a' ? '+' : '-') : '') . '</a>';
}
return $sort_prefix . $heading . $sort_suffix;
}
////
// Recursively go through the categories and retreive all parent categories IDs
// TABLES: categories
function tep_get_parent_categories(&$categories, $categories_id) {
$parent_categories_query = tep_db_query("select parent_id from " . TABLE_CATEGORIES . " where categories_id = '" . (int)$categories_id . "'");
while ($parent_categories = tep_db_fetch_array($parent_categories_query)) {
if ($parent_categories['parent_id'] == 0) return true;
$categories[sizeof($categories)] = $parent_categories['parent_id'];
if ($parent_categories['parent_id'] != $categories_id) {
tep_get_parent_categories($categories, $parent_categories['parent_id']);
}
}
}
////
// Construct a category path to the product
// TABLES: products_to_categories
function tep_get_product_path($products_id) {
$cPath = '';
$category_query = tep_db_query("select p2c.categories_id from " . TABLE_PRODUCTS . " p, " . TABLE_PRODUCTS_TO_CATEGORIES . " p2c where p.products_id = '" . (int)$products_id . "' and p.products_status = '1' and p.products_id = p2c.products_id limit 1");
if (tep_db_num_rows($category_query)) {
$category = tep_db_fetch_array($category_query);
$categories = array();
tep_get_parent_categories($categories, $category['categories_id']);
$categories = array_reverse($categories);
$cPath = implode('_', $categories);
if (tep_not_null($cPath)) $cPath .= '_';
$cPath .= $category['categories_id'];
}
return $cPath;
}
////
// Return a product ID with attributes
function tep_get_uprid($prid, $params) {
if (is_numeric($prid)) {
$uprid = $prid;
if (is_array($params) && (sizeof($params) > 0)) {
$attributes_check = true;
$attributes_ids = '';
reset($params);
while (list($option, $value) = each($params)) {
if (is_numeric($option) && is_numeric($value)) {
$attributes_ids .= '{' . (int)$option . '}' . (int)$value;
} else {
$attributes_check = false;
break;
}
}
if ($attributes_check == true) {
$uprid .= $attributes_ids;
}
}
} else {
$uprid = tep_get_prid($prid);
if (is_numeric($uprid)) {
if (strpos($prid, '{') !== false) {
$attributes_check = true;
$attributes_ids = '';
// strpos()+1 to remove up to and including the first { which would create an empty array element in explode()
$attributes = explode('{', substr($prid, strpos($prid, '{')+1));
for ($i=0, $n=sizeof($attributes); $i<$n; $i++) {
$pair = explode('}', $attributes[$i]);
if (is_numeric($pair[0]) && is_numeric($pair[1])) {
$attributes_ids .= '{' . (int)$pair[0] . '}' . (int)$pair[1];
} else {
$attributes_check = false;
break;
}
}
if ($attributes_check == true) {
$uprid .= $attributes_ids;
}
}
} else {
return false;
}
}
return $uprid;
}
////
// Return a product ID from a product ID with attributes
function tep_get_prid($uprid) {
$pieces = explode('{', $uprid);
if (is_numeric($pieces[0])) {
return $pieces[0];
} else {
return false;
}
}
////
// Return a customer greeting
function tep_customer_greeting() {
global $customer_id, $customer_first_name;
if (tep_session_is_registered('customer_first_name') && tep_session_is_registered('customer_id')) {
$greeting_string = sprintf(TEXT_GREETING_PERSONAL, tep_output_string_protected($customer_first_name), tep_href_link(FILENAME_PRODUCTS_NEW));
} else {
$greeting_string = sprintf(TEXT_GREETING_GUEST, tep_href_link(FILENAME_LOGIN, '', 'SSL'), tep_href_link(FILENAME_CREATE_ACCOUNT, '', 'SSL'));
}
return $greeting_string;
}
////
//! Send email (text/html) using MIME
// This is the central mail function. The SMTP Server should be configured
// correct in php.ini