348 lines
9.7 KiB
PHP
348 lines
9.7 KiB
PHP
<?php
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/* ----------------------------------------------------------------------
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MyOOS [Shopsystem]
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https://www.oos-shop.de
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Copyright (c) 2003 - 2019 by the MyOOS Development Team.
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----------------------------------------------------------------------
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Based on:
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File: general.php,v 1.212 2003/02/17 07:55:54 hpdl
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----------------------------------------------------------------------
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osCommerce, Open Source E-Commerce Solutions
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http://www.oscommerce.com
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Copyright (c) 2003 osCommerce
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----------------------------------------------------------------------
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Released under the GNU General Public License
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---------------------------------------------------------------------- */
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/** ensure this file is being included by a parent file */
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defined( 'OOS_VALID_MOD' ) OR die( 'Direct Access to this location is not allowed.' );
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/**
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* Return all subcategory IDs
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*
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* @param $aSubcategories
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* @param $nParentId
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*/
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function oos_get_subcategories(&$aSubcategories, $nParentId = 0) {
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// Get database information
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$dbconn =& oosDBGetConn();
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$oostable =& oosDBGetTables();
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$categoriestable = $oostable['categories'];
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$query = "SELECT categories_id
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FROM $categoriestable
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WHERE parent_id = '" . intval($nParentId) . "'";
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$result = $dbconn->Execute($query);
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while ($subcategories = $result->fields) {
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$aSubcategories[count($aSubcategories)] = $subcategories['categories_id'];
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if ($subcategories['categories_id'] != $nParentId) {
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oos_get_subcategories($aSubcategories, $subcategories['categories_id']);
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}
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// Move that ADOdb pointer!
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$result->MoveNext();
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}
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}
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/**
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* Parse search string into indivual objects
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*
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* @param $search_str
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* @return boolean
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*/
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function oos_parse_search_string($sSearch = '', &$objects) {
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$sSearch = trim(strtolower($sSearch));
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// Break up $sSearch on whitespace; quoted string will be reconstructed later
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$pieces = preg_split('/[[:space:]]+/', $sSearch);
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$objects = array();
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$tmpstring = '';
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$flag = '';
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for ($k=0; $k<count($pieces); $k++) {
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while (substr($pieces[$k], 0, 1) == '(') {
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$objects[] = '(';
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if (strlen($pieces[$k]) > 1) {
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$pieces[$k] = substr($pieces[$k], 1);
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} else {
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$pieces[$k] = '';
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}
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}
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$post_objects = array();
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while (substr($pieces[$k], -1) == ')') {
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$post_objects[] = ')';
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if (strlen($pieces[$k]) > 1) {
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$pieces[$k] = substr($pieces[$k], 0, -1);
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} else {
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$pieces[$k] = '';
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}
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}
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// Check individual words
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if ( (substr($pieces[$k], -1) != '"') && (substr($pieces[$k], 0, 1) != '"') ) {
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$objects[] = trim($pieces[$k]);
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for ($j=0; $j<count($post_objects); $j++) {
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$objects[] = $post_objects[$j];
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}
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} else {
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/*
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This means that the $piece is either the beginning or the end of a string.
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So, we'll slurp up the $pieces and stick them together until we get to the
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end of the string or run out of pieces.
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*/
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// Add this word to the $tmpstring, starting the $tmpstring
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$tmpstring = trim(preg_match('/"/', ' ', $pieces[$k]));
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// Check for one possible exception to the rule. That there is a single quoted word.
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if (substr($pieces[$k], -1 ) == '"') {
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// Turn the flag off for future iterations
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$flag = 'off';
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$objects[] = trim($pieces[$k]);
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for ($j=0; $j<count($post_objects); $j++) {
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$objects[] = $post_objects[$j];
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}
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unset($tmpstring);
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// Stop looking for the end of the string and move onto the next word.
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continue;
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}
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// Otherwise, turn on the flag to indicate no quotes have been found attached to this word in the string.
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$flag = 'on';
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// Move on to the next word
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$k++;
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// Keep reading until the end of the string as long as the $flag is on
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while ( ($flag == 'on') && ($k < count($pieces)) ) {
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while (substr($pieces[$k], -1) == ')') {
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$post_objects[] = ')';
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if (strlen($pieces[$k]) > 1) {
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$pieces[$k] = substr($pieces[$k], 0, -1);
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} else {
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$pieces[$k] = '';
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}
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}
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// If the word doesn't end in double quotes, append it to the $tmpstring.
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if (substr($pieces[$k], -1) != '"') {
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// Tack this word onto the current string entity
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$tmpstring .= ' ' . $pieces[$k];
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// Move on to the next word
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$k++;
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continue;
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} else {
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/*
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If the $piece ends in double quotes, strip the double quotes, tack the
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$piece onto the tail of the string, push the $tmpstring onto the $haves,
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kill the $tmpstring, turn the $flag "off", and return.
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*/
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$sTmp = preg_replace('/"/', ' ', $pieces[$k]);
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$tmpstring .= ' ' . trim($sTmp);
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// Push the $tmpstring onto the array of stuff to search for
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$objects[] = trim($tmpstring);
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for ($j=0; $j<count($post_objects); $j++) {
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$objects[] = $post_objects[$j];
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}
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unset($tmpstring);
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// Turn off the flag to exit the loop
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$flag = 'off';
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}
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}
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}
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}
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// add default logical operators if needed
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$temp = array();
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for($i=0; $i<(count($objects)-1); $i++) {
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$temp[count($temp)] = $objects[$i];
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if ( ($objects[$i] != 'and') &&
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($objects[$i] != 'or') &&
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($objects[$i] != '(') &&
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($objects[$i] != ')') &&
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($objects[$i+1] != 'and') &&
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($objects[$i+1] != 'or') &&
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($objects[$i+1] != '(') &&
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($objects[$i+1] != ')') ) {
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$temp[count($temp)] = ADVANCED_SEARCH_DEFAULT_OPERATOR;
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}
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}
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$temp[count($temp)] = $objects[$i];
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$objects = $temp;
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$keyword_count = 0;
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$operator_count = 0;
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$balance = 0;
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for($i=0; $i<count($objects); $i++) {
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if ($objects[$i] == '(') $balance --;
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if ($objects[$i] == ')') $balance ++;
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if ( ($objects[$i] == 'and') || ($objects[$i] == 'or') ) {
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$operator_count ++;
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} elseif ( ($objects[$i]) && ($objects[$i] != '(') && ($objects[$i] != ')') ) {
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$keyword_count ++;
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}
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}
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if ( ($operator_count < $keyword_count) && ($balance == 0) ) {
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return TRUE;
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} else {
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return FALSE;
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}
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}
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/**
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* Check date
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*
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* @param $date_to_check
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* @param $format_string
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* @param $date_array
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* @return boolean
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*/
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function oos_checkdate($date_to_check, $format_string, &$date_array) {
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$separator_idx = -1;
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$separators = array('-', ' ', '/', '.');
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$month_abbr = array('jan','feb','mar','apr','may','jun','jul','aug','sep','oct','nov','dec');
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$no_of_days = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
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$format_string = strtolower($format_string);
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if (strlen($date_to_check) != strlen($format_string)) {
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return FALSE;
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}
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$size = count($separators);
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for ($i=0; $i<$size; $i++) {
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$pos_separator = strpos($date_to_check, $separators[$i]);
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if ($pos_separator != FALSE) {
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$date_separator_idx = $i;
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break;
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}
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}
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for ($i=0; $i<$size; $i++) {
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$pos_separator = strpos($format_string, $separators[$i]);
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if ($pos_separator != FALSE) {
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$format_separator_idx = $i;
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break;
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}
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}
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if ($date_separator_idx != $format_separator_idx) {
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return FALSE;
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}
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if ($date_separator_idx != -1) {
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$format_string_array = explode( $separators[$date_separator_idx], $format_string );
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if (count($format_string_array) != 3) {
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return FALSE;
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}
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$date_to_check_array = explode( $separators[$date_separator_idx], $date_to_check );
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if (count($date_to_check_array) != 3) {
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return FALSE;
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}
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$size = count($format_string_array);
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for ($i=0; $i<$size; $i++) {
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if ($format_string_array[$i] == 'mm' || $format_string_array[$i] == 'mmm') $month = $date_to_check_array[$i];
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if ($format_string_array[$i] == 'dd') $day = $date_to_check_array[$i];
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if ( ($format_string_array[$i] == 'yyyy') || ($format_string_array[$i] == 'aaaa') ) $year = $date_to_check_array[$i];
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}
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} else {
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if (strlen($format_string) == 8 || strlen($format_string) == 9) {
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$pos_month = strpos($format_string, 'mmm');
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if ($pos_month != FALSE) {
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$month = substr( $date_to_check, $pos_month, 3 );
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$size = count($month_abbr);
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for ($i=0; $i<$size; $i++) {
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if ($month == $month_abbr[$i]) {
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$month = $i;
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break;
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}
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}
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} else {
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$month = substr($date_to_check, strpos($format_string, 'mm'), 2);
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}
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} else {
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return FALSE;
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}
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$day = substr($date_to_check, strpos($format_string, 'dd'), 2);
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$year = substr($date_to_check, strpos($format_string, 'yyyy'), 4);
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}
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if (strlen($year) != 4) {
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return FALSE;
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}
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if (!settype($year, 'integer') || !settype($month, 'integer') || !settype($day, 'integer')) {
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return FALSE;
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}
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if ($month > 12 || $month < 1) {
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return FALSE;
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}
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if ($day < 1) {
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return FALSE;
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}
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if (oos_is_leap_year($year)) {
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$no_of_days[1] = 29;
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}
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if ($day > $no_of_days[$month - 1]) {
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return FALSE;
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}
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$date_array = array($year, $month, $day);
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return TRUE;
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}
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/**
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* Check if year is a leap year
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*
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* @param $year
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* @return boolean
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*/
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function oos_is_leap_year($year) {
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if ($year % 100 == 0) {
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if ($year % 400 == 0) return TRUE;
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} else {
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if (($year % 4) == 0) return TRUE;
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}
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return FALSE;
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}
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