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msd2/myoos/includes/functions/function_search.php

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+<?php
+/* ----------------------------------------------------------------------
+
+   MyOOS [Shopsystem]
+   https://www.oos-shop.de
+
+   Copyright (c) 2003 - 2019 by the MyOOS Development Team.
+   ----------------------------------------------------------------------
+   Based on:
+
+   File: general.php,v 1.212 2003/02/17 07:55:54 hpdl 
+   ----------------------------------------------------------------------
+   osCommerce, Open Source E-Commerce Solutions
+   http://www.oscommerce.com
+
+   Copyright (c) 2003 osCommerce
+   ----------------------------------------------------------------------
+   Released under the GNU General Public License
+   ---------------------------------------------------------------------- */
+
+  /** ensure this file is being included by a parent file */
+  defined( 'OOS_VALID_MOD' ) OR die( 'Direct Access to this location is not allowed.' );
+
+ /**
+  * Return all subcategory IDs
+  *
+  * @param $aSubcategories
+  * @param $nParentId
+  */
+  function oos_get_subcategories(&$aSubcategories, $nParentId = 0) {
+
+    // Get database information
+    $dbconn =& oosDBGetConn();
+    $oostable =& oosDBGetTables();
+
+    $categoriestable = $oostable['categories'];
+    $query = "SELECT categories_id
+              FROM $categoriestable
+              WHERE parent_id = '" . intval($nParentId) . "'";
+    $result = $dbconn->Execute($query);
+
+    while ($subcategories = $result->fields) {
+      $aSubcategories[count($aSubcategories)] = $subcategories['categories_id'];
+      if ($subcategories['categories_id'] != $nParentId) {
+        oos_get_subcategories($aSubcategories, $subcategories['categories_id']);
+      }
+
+      // Move that ADOdb pointer!
+      $result->MoveNext();
+    }
+
+  }
+
+
+ /**
+  * Parse search string into indivual objects
+  *
+  * @param $search_str
+  * @return boolean
+  */
+  function oos_parse_search_string($sSearch = '', &$objects) {
+    $sSearch = trim(strtolower($sSearch));
+
+    // Break up $sSearch on whitespace; quoted string will be reconstructed later
+    $pieces = preg_split('/[[:space:]]+/', $sSearch);
+    $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_match('/"/', ' ', $pieces[$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.
+*/
+            $sTmp = preg_replace('/"/', ' ', $pieces[$k]);
+            $tmpstring .= ' ' . trim($sTmp);
+
+
+             // 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++) {
+      $temp[count($temp)] = $objects[$i];
+
+      if ( ($objects[$i] != 'and') &&
+           ($objects[$i] != 'or') &&
+           ($objects[$i] != '(') &&
+           ($objects[$i] != ')') &&
+           ($objects[$i+1] != 'and') &&
+           ($objects[$i+1] != 'or') &&
+           ($objects[$i+1] != '(') &&
+           ($objects[$i+1] != ')') ) {
+        $temp[count($temp)] = ADVANCED_SEARCH_DEFAULT_OPERATOR;
+      }
+    }
+    $temp[count($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
+  *
+  * @param $date_to_check
+  * @param $format_string
+  * @param $date_array
+  * @return boolean
+  */
+  function oos_checkdate($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;
+    }
+
+    $size = count($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], $format_string );
+      if (count($format_string_array) != 3) {
+        return FALSE;
+      }
+
+      $date_to_check_array = explode( $separators[$date_separator_idx], $date_to_check );
+      if (count($date_to_check_array) != 3) {
+        return FALSE;
+      }
+
+      $size = count($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 );
+          $size = count($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 (oos_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
+  *
+  * @param $year
+  * @return boolean
+  */
+  function oos_is_leap_year($year) {
+    if ($year % 100 == 0) {
+      if ($year % 400 == 0) return TRUE;
+    } else {
+      if (($year % 4) == 0) return TRUE;
+    }
+
+    return FALSE;
+  }
+
+