Old Murli MahaVakya
0) die("This version of the Zoom search script requires PHP 4.2.0 or higher.
"; // Indexes for dict structure $DICT_WORD = 0; $DICT_PTR = 1; $DICT_VARCOUNT = 2; $DICT_VARIANTS = 3; // ---------------------------------------------------------------------------- // Functions // ---------------------------------------------------------------------------- function ShowDefaultForm() { global $OutputBuffers; global $OUTPUT_FORM_SEARCHBOX, $OUTPUT_FORM_SEARCHBUTTON, $OUTPUT_FORM_RESULTSPERPAGE; global $OUTPUT_FORM_MATCH, $OUTPUT_FORM_CATEGORIES, $OUTPUT_FORM_CUSTOMMETA; global $OUTPUT_FORM_START, $OUTPUT_FORM_END; print($OutputBuffers[$OUTPUT_FORM_START]); print($OutputBuffers[$OUTPUT_FORM_SEARCHBOX]); print($OutputBuffers[$OUTPUT_FORM_SEARCHBUTTON]); print($OutputBuffers[$OUTPUT_FORM_RESULTSPERPAGE]); print($OutputBuffers[$OUTPUT_FORM_MATCH]); print($OutputBuffers[$OUTPUT_FORM_CATEGORIES]); print($OutputBuffers[$OUTPUT_FORM_CUSTOMMETA]); print($OutputBuffers[$OUTPUT_FORM_END]); } function ShowDefaultSearchPage() { global $OutputResultsBuffer; global $OutputBuffers; global $OUTPUT_HEADING, $OUTPUT_SUMMARY, $OUTPUT_SUGGESTION, $OUTPUT_PAGESCOUNT; global $OUTPUT_RECOMMENDED, $OUTPUT_SORTING, $OUTPUT_PAGENUMBERS, $OUTPUT_SEARCHTIME; global $OUTPUT_CATSUMMARY; ShowDefaultForm(); // now show the default results layout print($OutputBuffers[$OUTPUT_HEADING]); print($OutputBuffers[$OUTPUT_SUMMARY]); print($OutputBuffers[$OUTPUT_CATSUMMARY]); print($OutputBuffers[$OUTPUT_SUGGESTION]); print($OutputBuffers[$OUTPUT_PAGESCOUNT]); print($OutputBuffers[$OUTPUT_RECOMMENDED]); print($OutputBuffers[$OUTPUT_SORTING]); print($OutputResultsBuffer); print($OutputBuffers[$OUTPUT_PAGENUMBERS]); print($OutputBuffers[$OUTPUT_SEARCHTIME]); } function ShowTemplate() { global $ZoomInfo; global $OutputBuffers; global $TemplateShowTags; global $OUTPUT_TAG_COUNT; global $TemplateSearchFormTag, $TemplateSearchFormTagLen; global $TemplateDefaultTag, $TemplateDefaultTagLen; global $TemplateResultsTag, $TemplateResultsTagLen; global $OutputResultsBuffer; global $TemplateQueryTag, $TemplateQueryTagLen, $queryForHTML; // DO NOT MODIFY THE TEMPLATE FILENAME BELOW: $TemplateFilename = "search_template.html"; // Note that there is no practical need to change the TemplateFilename. This file // is not visible to the end user. The search link on your website should point to // "search.php", and not the template file. // // Note also that you cannot change the filename to a PHP or ASP file. // The template file will only be treated as a static HTML page and changing the // extension will not alter this behaviour. Please see this FAQ support page // for a solution: http://www.wrensoft.com/zoom/support/faq_ssi.html //Open and print start of result page template $TemplateFilename = dirname(__FILE__) . "/" . $TemplateFilename; $template = file ($TemplateFilename); $numtlines = count($template); //Number of lines in the template $template_line = 0; $templatePtr = $template[$template_line]; while ($template_line < $numtlines && $templatePtr != "") { $tagPos = strpos($templatePtr, "\n"; // Replace the key text with the following if ($FormFormat > 0) { // Insert the form $OutputBuffers[$OUTPUT_FORM_SEARCHBOX] = $STR_FORM_SEARCHFOR . " \n"; $OutputBuffers[$OUTPUT_FORM_SEARCHBUTTON] = "\n"; if ($FormFormat == 2) { $OutputBuffers[$OUTPUT_FORM_RESULTSPERPAGE] = "" . $STR_FORM_RESULTS_PER_PAGE . "\n"; $OutputBuffers[$OUTPUT_FORM_RESULTSPERPAGE] .= "
You are currently using: PHP " . phpversion() . "
"); $SETTINGSFILE = dirname(__FILE__)."/settings.php"; $WORDMAPFILE = dirname(__FILE__)."/zoom_wordmap.zdat"; $DICTIONARYFILE = dirname(__FILE__)."/zoom_dictionary.zdat"; $PAGEDATAFILE = dirname(__FILE__)."/zoom_pagedata.zdat"; $SPELLINGFILE = dirname(__FILE__)."/zoom_spelling.zdat"; $PAGETEXTFILE = dirname(__FILE__)."/zoom_pagetext.zdat"; $PAGEINFOFILE = dirname(__FILE__)."/zoom_pageinfo.zdat"; $RECOMMENDEDFILE = dirname(__FILE__)."/zoom_recommended.zdat"; // Check for dependent files if (!file_exists($SETTINGSFILE) || !file_exists($WORDMAPFILE) || !file_exists($DICTIONARYFILE)) { print("Zoom files missing error: Zoom is missing one or more of the required index data files.
Please make sure the generated index files are uploaded to the same path as this search script.
"); return; } require($SETTINGSFILE); if ($Spelling == 1 && !file_exists($SPELLINGFILE)) print("Zoom files missing error: Zoom is missing the 'zoom_spelling.zdat' file required for the Spelling Suggestion feature which has been enabled.
"); // ---------------------------------------------------------------------------- // Settings // ---------------------------------------------------------------------------- // The options available in the dropdown menu for number of results // per page $PerPageOptions = array(10, 20, 50, 100); /* // For foreign language support, setlocale may be required on the server for // wildcards and highlighting to work. Uncomment the following lines and specify // the appropriate locale information //if (setlocale(LC_ALL, "ru_RU.cp1251") == false) // for russian // print("Failed to change locale setting or locale setting invalid"); */ // Index format information $PAGEDATA_URL = 0; $PAGEDATA_TITLE = 1; $PAGEDATA_DESC = 2; $PAGEDATA_IMG = 3; $MaxPageDataLineLen = 5178; $METAFIELD_TYPE = 0; $METAFIELD_NAME = 1; $METAFIELD_SHOW = 2; $METAFIELD_FORM = 3; $METAFIELD_METHOD = 4; $METAFIELD_DROPDOWN = 5; $METAFIELD_TYPE_NUMERIC = 0; $METAFIELD_TYPE_TEXT = 1; $METAFIELD_TYPE_DROPDOWN = 2; $METAFIELD_TYPE_MULTI = 3; $METAFIELD_TYPE_MONEY = 4; $METAFIELD_METHOD_EXACT = 0; $METAFIELD_METHOD_LESSTHAN = 1; $METAFIELD_METHOD_LESSTHANORE = 2; $METAFIELD_METHOD_GREATERTHAN = 3; $METAFIELD_METHOD_GREATERTHANORE = 4; $METAFIELD_METHOD_SUBSTRING = 5; $METAFIELD_NOVALUE_MARKER = 4294967295; // ---------------------------------------------------------------------------- // Parameter initialisation // ---------------------------------------------------------------------------- // Send HTTP header to define meta charset if (isset($Charset) && $NoCharset == 0) header("Content-Type: text/html; charset=" . $Charset); // For versions of PHP before 4.1.0 // we will emulate the superglobals by creating references // NOTE: references created are NOT superglobals if (!isset($_SERVER) && isset($HTTP_SERVER_VARS)) $_SERVER = &$HTTP_SERVER_VARS; if (!isset($_GET) && isset($HTTP_GET_VARS)) $_GET = &$HTTP_GET_VARS; if (!isset($_POST) && isset($HTTP_POST_VARS)) $_POST = &$HTTP_POST_VARS; // fix get/post variables if magic quotes are enabled if (get_magic_quotes_gpc() == 1) { if (isset($_GET)) while (list($key, $value) = each($_GET)) { if (!is_array($value)) $_GET["$key"] = stripslashes($value); } if (isset($_POST)) while (list($key, $value) = each($_POST)) $_POST["$key"] = stripslashes($value); } // check magic_quotes for runtime stuff (reading from files, etc) if (get_magic_quotes_runtime() == 1) set_magic_quotes_runtime(0); // we use the method=GET and 'query' parameter now (for sub-result pages etc) $IsZoomQuery = 0; if (isset($_GET['zoom_query'])) { $query = $_GET['zoom_query']; $IsZoomQuery = 1; } else $query = ""; // number of results per page, defaults to 10 if not specified if (isset($_GET['zoom_per_page'])) { $per_page = intval($_GET['zoom_per_page']); if ($per_page < 1) $per_page = 1; } else $per_page = 10; // current result page number, defaults to the first page if not specified $NewSearch = 0; if (isset($_GET['zoom_page'])) { $page = intval($_GET['zoom_page']); if ($page < 1) $page = 1; } else { $page = 1; $NewSearch = 1; } // AND operator. // 1 if we are searching for ALL terms // 0 if we are searching for ANY terms (default) if (isset($_GET['zoom_and'])) $and = intval($_GET['zoom_and']); elseif (isset($DefaultToAnd) && $DefaultToAnd == 1) $and = 1; else $and = 0; // for category support if ($UseCats == 1) { if (isset($_GET['zoom_cat'])) { if (is_array($_GET['zoom_cat'])) $cat = $_GET['zoom_cat']; else $cat = array($_GET['zoom_cat']); $cat = array_filter($cat, "is_numeric"); } else $cat = array(-1); // default to search all categories $num_zoom_cats = count($cat); if ($num_zoom_cats == 0) $cat = array(-1); // default to search all categories } // for sorting options // zero is default (relevance) // 1 is sort by date (if Date/Time is available) if (isset($_GET['zoom_sort'])) $sort = intval($_GET['zoom_sort']); else $sort = 0; if (isset($LinkBackURL) == false || strlen($LinkBackURL) < 1) $SelfURL = $_SERVER['PHP_SELF']; else $SelfURL = $LinkBackURL; // init. link target string $zoom_target = ""; if ($UseLinkTarget == 1 && isset($LinkTarget)) $zoom_target = " target=\"" . $LinkTarget . "\" "; $UseMBFunctions = 0; if ($UseUTF8 == 1) { if (function_exists('mb_strtolower')) $UseMBFunctions = 1; } if ($UseStemming == 1) { $porterStemmer = new PorterStemmer(); } // ---------------------------------------------------------------------------- // Template buffers // ---------------------------------------------------------------------------- // defines for output elements $OUTPUT_FORM_START = 0; $OUTPUT_FORM_END = 1; $OUTPUT_FORM_SEARCHBOX = 2; $OUTPUT_FORM_SEARCHBUTTON = 3; $OUTPUT_FORM_RESULTSPERPAGE = 4; $OUTPUT_FORM_MATCH = 5; $OUTPUT_FORM_CATEGORIES = 6; $OUTPUT_FORM_CUSTOMMETA = 7; $OUTPUT_HEADING = 8; $OUTPUT_SUMMARY = 9; $OUTPUT_SUGGESTION = 10; $OUTPUT_PAGESCOUNT = 11; $OUTPUT_SORTING = 12; $OUTPUT_SEARCHTIME = 13; $OUTPUT_RECOMMENDED = 14; $OUTPUT_PAGENUMBERS = 15; $OUTPUT_CATSUMMARY = 16; $OUTPUT_TAG_COUNT = 17; $OutputBuffers = array_fill(0, $OUTPUT_TAG_COUNT, ""); $OutputResultsBuffer = ""; $TemplateShowTags = array( "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" ); $TemplateDefaultTag = ""; $TemplateDefaultTagLen = strlen($TemplateDefaultTag); $TemplateSearchFormTag = ""; $TemplateSearchFormTagLen = strlen($TemplateSearchFormTag); $TemplateResultsTag = ""; $TemplateResultsTagLen = strlen($TemplateResultsTag); $TemplateQueryTag = ""; $TemplateQueryTagLen = strlen($TemplateQueryTag); $OutputBuffers[$OUTPUT_FORM_START] = "
\n"; if ($UseCats) { $OutputBuffers[$OUTPUT_FORM_CATEGORIES] = "\n"; $OutputBuffers[$OUTPUT_FORM_CATEGORIES] .= $STR_FORM_CATEGORY . " "; if ($SearchMultiCats) { $OutputBuffers[$OUTPUT_FORM_CATEGORIES] .= "\n"; $OutputBuffers[$OUTPUT_FORM_CATEGORIES] .= "
\n"; } if ($UseMetaFields) { $OutputBuffers[$OUTPUT_FORM_CUSTOMMETA] = "\n"; } $OutputBuffers[$OUTPUT_FORM_MATCH] = "" . $STR_FORM_MATCH . " \n"; if ($and == 0) { $OutputBuffers[$OUTPUT_FORM_MATCH] .= "" . $STR_FORM_ANY_SEARCH_WORDS . "\n"; $OutputBuffers[$OUTPUT_FORM_MATCH] .= "" . $STR_FORM_ALL_SEARCH_WORDS . "\n"; } else { $OutputBuffers[$OUTPUT_FORM_MATCH] .= "" . $STR_FORM_ANY_SEARCH_WORDS . "\n"; $OutputBuffers[$OUTPUT_FORM_MATCH] .= "" . $STR_FORM_ALL_SEARCH_WORDS . "\n"; } $OutputBuffers[$OUTPUT_FORM_START] .= "\n"; $OutputBuffers[$OUTPUT_FORM_MATCH] .= "- "; // 'all cats option $OutputBuffers[$OUTPUT_FORM_CATEGORIES] .= ""; for($i = 0; $i < $NumCats; $i++) { $OutputBuffers[$OUTPUT_FORM_CATEGORIES] .= "
\n"; } else { $OutputBuffers[$OUTPUT_FORM_START] .= "\n"; $OutputBuffers[$OUTPUT_FORM_START] .= "\n"; $OutputBuffers[$OUTPUT_FORM_START] .= "\n"; } } // Give up early if no search words provided $IsEmptyMetaQuery = false; if (empty($query)) { $NoSearch = false; if ($UseMetaFields == 1) { if ($IsZoomQuery == 1) $IsEmptyMetaQuery = true; else $NoSearch = true; } else { // only display 'no query' line if no form is shown if ($IsZoomQuery == 1) { $OutputBuffers[$OUTPUT_SUMMARY] .= "" . $STR_NO_QUERY . ""; } $NoSearch = true; } if ($NoSearch) { //Let others know about Zoom. if ($ZoomInfo == 1) $OutputBuffers[$OUTPUT_PAGENUMBERS] .= ""; ShowTemplate(); return; } } // Load index data files (*.zdat) --------------------------------------------- // Open pagetext file if ($DisplayContext == 1 || $AllowExactPhrase == 1) { $fp_pagetext = fopen($PAGETEXTFILE, "rb"); $teststr = fgets($fp_pagetext, 8); if ($teststr[0] == "T" && $teststr[2] == "h" && $teststr[4] == "i" && $teststr[6] == "s") { $OutputResultsBuffer .= "Zoom config error: The zoom_pagetext.zdat file is not properly created for the search settings specified. " . $STR_POWEREDBY . " Zoom Search Engine
Please check that you have re-indexed your site with the search settings selected in the configuration window.
"; fclose($fp_pagetext); return; } } // Open recommended link file if ($Recommended == 1) { $fp_rec = fopen($RECOMMENDEDFILE, "rt"); $i = 0; while (!feof($fp_rec)) { $recline = fgets($fp_rec, $MaxKeyWordLineLen); if (strlen($recline) > 0) { $sep = strrpos($recline, " "); if ($sep !== false) { $rec[$i][0] = substr($recline, 0, $sep); $rec[$i][1] = substr($recline, $sep); $i++; } } } fclose($fp_rec); $rec_count = $i; } //Open pageinfo file $fp_pageinfo = fopen($PAGEINFOFILE, "rb"); $pageinfo_count = $NumPages; $rec_headersize = 2+5+4+4+1+1; for ($i = 0; !feof($fp_pageinfo) && $i < $pageinfo_count; $i++) { $bytes_buffer = fread($fp_pageinfo, $rec_headersize); $pageinfo[$i] = unpack("vrecsize/Vdataoffset/CextraByte/Vfilesize/Vdatetime/cboost/Clinkaction", $bytes_buffer); if ($UseCats == 1 && $NumCatBytes > 0) { $catpages[$i] = array(); for ($byte = 0; $byte < $NumCatBytes; $byte++) $catpages[$i][$byte] = GetBytes($fp_pageinfo, 1); } if ($UseMetaFields == 1) { for ($fieldnum = 0; $fieldnum < $NumMetaFields; $fieldnum++) { if ($metafields[$fieldnum][$METAFIELD_TYPE] == $METAFIELD_TYPE_TEXT) { $valueSize = GetBytes($fp_pageinfo, 1); if ($valueSize > 0 && $valueSize != $METAFIELD_NOVALUE_MARKER) $metavalues[$i][$fieldnum] = fread($fp_pageinfo, $valueSize); else $metavalues[$i][$fieldnum] = ""; } else if ($metafields[$fieldnum][$METAFIELD_TYPE] == $METAFIELD_TYPE_DROPDOWN) { // read in one byte $metavalues[$i][$fieldnum] = GetBytes($fp_pageinfo, 1); } else if ($metafields[$fieldnum][$METAFIELD_TYPE] == $METAFIELD_TYPE_MULTI) { // read in one byte count then variable bytes $valueSize = GetBytes($fp_pageinfo, 1); if ($valueSize > 0 && $valueSize != $METAFIELD_NOVALUE_MARKER) { $tmpMultiValues = array($valueSize); for ($mvi = 0; $mvi < $valueSize; $mvi++) array_push($tmpMultiValues, GetBytes($fp_pageinfo, 1)); $metavalues[$i][$fieldnum] = $tmpMultiValues; } else $metavalues[$i][$fieldnum] = $valueSize;// this will be METAFIELD_NOVALUE_MARKER } else { // numeric meta field type $metavalues[$i][$fieldnum] = (double)GetBytes($fp_pageinfo, 4); } } } } if ($Recommended == 1) $i += $rec_count; // take into account the recommended links before verifying if ($i < $NumPages) { $OutputResultsBuffer .= ("Zoom config error: The zoom_pageinfo.zdat file is invalid or not up-to-date. Please make sure you have uploaded all files from the same indexing session.
"); $UseDateTime = 0; $UseZoomImage = 0; $DisplayFilesize = 0; } fclose($fp_pageinfo); // Open pagedata file $fp_pagedata = fopen($PAGEDATAFILE, "rb"); // Open wordmap file $fp_wordmap = fopen($WORDMAPFILE, "rb"); // Open dictionary file $fp_dict = fopen($DICTIONARYFILE, "rb"); $i = 0; while (!feof($fp_dict)) { $dictline = fgets($fp_dict, $MaxKeyWordLineLen); if (strlen($dictline) > 0) { $dict[$i] = explode(" ", $dictline, 3); if (isset($dict[$i][$DICT_VARCOUNT])) { if ($dict[$i][$DICT_VARCOUNT] > 0) { $variantsArray = array(); // variants available for ($vi = 0; $vi < $dict[$i][$DICT_VARCOUNT]; $vi++) { $variantsArray[$vi] = rtrim(fgets($fp_dict, $MaxKeyWordLineLen)); } $dict[$i][$DICT_VARIANTS] = $variantsArray; } } $i++; } } fclose($fp_dict); $dict_count = $i; // Prepare query for search --------------------------------------------------- if ($MapAccents == 1) { $query = str_replace($AccentChars, $NormalChars, $query); } // Special query processing required when SearchAsSubstring is enabled if ($SearchAsSubstring == 1 && $UseUTF8 == 1) $query = FixQueryForAsianWords($query); // prepare search query, strip quotes, trim whitespace if ($AllowExactPhrase == 0) { $query = str_replace("\"", " ", $query); } if (strspn(".", $WordJoinChars) == 0) $query = str_replace(".", " ", $query); if (strspn("-", $WordJoinChars) == 0) $query = preg_replace("/(\S)-/", "$1 ", $query); if (strspn("#", $WordJoinChars) == 0) $query = preg_replace("/#(\S)/", " $1", $query); if (strspn("+", $WordJoinChars) == 0) { $query = preg_replace("/[\+]+([^\+\s])/", " $1", $query); $query = preg_replace("/([^\+\s])\+\s/", "$1 ", $query); $query = preg_replace("/\s\+\s/", " ", $query); } if (strspn("_", $WordJoinChars) == 0) $query = str_replace("_", " ", $query); if (strspn("'", $WordJoinChars) == 0) $query = str_replace("'", " ", $query); if (strspn("$", $WordJoinChars) == 0) $query = str_replace("$", " ", $query); if (strspn(",", $WordJoinChars) == 0) $query = str_replace(",", " ", $query); if (strspn(":", $WordJoinChars) == 0) $query = str_replace(":", " ", $query); if (strspn("&", $WordJoinChars) == 0) $query = str_replace("&", " ", $query); if (strspn("/", $WordJoinChars) == 0) $query = str_replace("/", " ", $query); if (strspn("\\", $WordJoinChars) == 0) $query = str_replace("\\", " ", $query); // strip consecutive spaces, parenthesis, etc. // also strip any of the wordjoinchars if followed immediately by a space $query = preg_replace("/[\s\(\)\^\[\]\|\{\}\%\£]+|[\-._',:&\/\\\](\s|$)/", " ", $query); $query = trim($query); $queryForHTML = htmlspecialchars($query); if ($ToLowerSearchWords == 1) { if ($UseUTF8 == 1 && $UseMBFunctions == 1) $queryForSearch = mb_strtolower($query, "UTF-8"); else $queryForSearch = strtolower($query); } else $queryForSearch = $query; //Split search phrase into words preg_match_all("/\"(.*?)\"|\-\"(.*?)\"|[^\\s\"]+/", $queryForSearch, $SearchWords); $SearchWords = preg_replace("/\"[\s]+|[\s]+\"|\"/", "", $SearchWords[0]); //Sort search words if there are negative signs if (strpos($queryForSearch, "-") !== false) usort($SearchWords, "sw_compare"); $NumSearchWords = count ($SearchWords); $query_zoom_cats = ""; //Print heading $OutputBuffers[$OUTPUT_HEADING] .= "" . $STR_RESULTS_FOR . " " . $queryForHTML; if ($UseCats) { if ($cat[0] == -1) { $OutputBuffers[$OUTPUT_HEADING] .= " " . $STR_RESULTS_IN_ALL_CATEGORIES; $query_zoom_cats = "&zoom_cat%5B%5D=-1"; } else { $OutputBuffers[$OUTPUT_HEADING] .= " " . $STR_RESULTS_IN_CATEGORY . " "; for ($catit = 0; $catit < $num_zoom_cats; $catit++) { if ($catit > 0) $OutputBuffers[$OUTPUT_HEADING] .= ", "; $OutputBuffers[$OUTPUT_HEADING] .= "\"". rtrim($catnames[$cat[$catit]]) . "\""; $query_zoom_cats .= "&zoom_cat%5B%5D=".$cat[$catit]; } } } $OutputBuffers[$OUTPUT_HEADING] .= "\n"; $OutputResultsBuffer .= "\n"; // Begin main search loop ----------------------------------------------------- //$pagesCount = count($urls); $pagesCount = $NumPages; $outputline = 0; $IsMaxLimitExceeded = 0; $wordsmatched = 0; // Initialise $res_table to be a 2D array of count($pages) long, filled with zeros. //$res_table = array_fill(0, $pagesCount, array_fill(0, 6, 0)); $res_table = array(); for ($i = 0; $i < $pagesCount; $i++) { $res_table[$i] = array(); $res_table[$i][0] = 0; // score $res_table[$i][1] = 0; // num of sw matched $res_table[$i][2] = 0; // pagetext ptr #1 $res_table[$i][3] = 0; // pagetext ptr #2 $res_table[$i][4] = 0; // pagetext ptr #3 $res_table[$i][5] = 0; // 'and' user search terms matched $res_table[$i][6] = 0; // combined prox field } $exclude_count = 0; // check if word is in skipword file $SkippedWords = 0; $context_maxgoback = 1; $SkippedExactPhrase = 0; $maxscore = 0; // queryForURL is the query prepared to be passed in a URL. $queryForURL = urlencode($query); // Find recommended links if any (before stemming) $num_recs_found = 0; if ($Recommended == 1) { for ($rl = 0; $rl < $rec_count && $num_recs_found < $RecommendedMax; $rl++) { $rec_word = $rec[$rl][0]; $rec_idx = intval($rec[$rl][1]); if (strchr($rec_word, ',')) { $rec_multiwords = split(",", $rec_word); $rec_multiwords_count = count($rec_multiwords); for ($rlm = 0; $rlm < $rec_multiwords_count; $rlm++) { if (RecLinkWordMatch($rec_multiwords[$rlm], $rec_idx) == true) break; } } else RecLinkWordMatch($rec_word, $rec_idx); } if ($num_recs_found > 0) $OutputBuffers[$OUTPUT_RECOMMENDED] .= ""; } // Prepopulate some data for each searchword $sw_results = array(); $search_terms_ids = array(); $phrase_terms_ids = array(); for ($sw = 0; $sw < $NumSearchWords; $sw++) { $sw_results[$sw] = 0; $UseWildCards[$sw] = 0; // for main search terms $search_terms_ids[$sw] = array(); // for exact phrases $phrase_terms_ids[$sw] = array(); if (strpos($SearchWords[$sw], "*") !== false || strpos($SearchWords[$sw], "?") !== false) { $RegExpSearchWords[$sw] = pattern2regexp($SearchWords[$sw]); $UseWildCards[$sw] = 1; } if ($Highlighting == 1 && $UseWildCards[$sw] == 0) { $RegExpSearchWords[$sw] = $SearchWords[$sw]; if (strpos($RegExpSearchWords[$sw], "\\") !== false) $RegExpSearchWords[$sw] = str_replace("\\", "\\\\", $RegExpSearchWords[$sw]); if (strpos($RegExpSearchWords[$sw], "/") !== false) $RegExpSearchWords[$sw] = str_replace("/", "\/", $RegExpSearchWords[$sw]); if (strpos($RegExpSearchWords[$sw], "+") !== false) $RegExpSearchWords[$sw] = str_replace("+", "\+", $RegExpSearchWords[$sw]); } } for ($sw = 0; $sw < $NumSearchWords; $sw++) { if ($SearchWords[$sw] == "") continue; // check min length if (strlen($SearchWords[$sw]) < $MinWordLen) { SkipSearchWord($sw); continue; } $ExactPhrase = 0; $ExcludeTerm = 0; // Check exclusion searches if ($SearchWords[$sw][0] == "-") { $SearchWords[$sw] = substr($SearchWords[$sw], 1); $ExcludeTerm = 1; $exclude_count++; } // Stem the words if necessary (only AFTER stripping exclusion char) if ($UseStemming == 1) { if ($AllowExactPhrase == 0 || strpos($SearchWords[$sw], " ") === false) $SearchWords[$sw] = $porterStemmer->Stem($SearchWords[$sw]); } if ($AllowExactPhrase == 1 && strpos($SearchWords[$sw], " ") !== false) { // Initialise exact phrase matching for this search term $ExactPhrase = 1; $phrase_terms = split(" ", $SearchWords[$sw]); //$phrase_terms = preg_split("/\W+/", $SearchWords[$sw], -1, 0 /*PREG_SPLIT_DELIM_CAPTURE*/); $num_phrase_terms = count($phrase_terms); if ($num_phrase_terms > $context_maxgoback) $context_maxgoback = $num_phrase_terms; $phrase_terms_data = array(); if ($UseStemming == 1) { for ($j = 0; $j < $num_phrase_terms; $j++) $phrase_terms[$j] = $porterStemmer->Stem($phrase_terms[$j]); } $tmpid = 0; $WordNotFound = 0; $j = 0; for ($j = 0; $j < $num_phrase_terms; $j++) { $tmpid = GetDictID($phrase_terms[$j]); if ($tmpid == -1) // word is not in dictionary { $WordNotFound = 1; break; } $phrase_terms_ids[$sw][$j] = $tmpid; $wordmap_row = $dict[$tmpid][$DICT_PTR]; if ($wordmap_row != -1) { fseek($fp_wordmap, $wordmap_row); $countbytes = fread($fp_wordmap, 2); $phrase_data_count[$j] = ord($countbytes[0]) | ord($countbytes[1])<<8; for ($xbi = 0; $xbi < $phrase_data_count[$j]; $xbi++) { $xbindata = fread($fp_wordmap, 8); if (strlen($xbindata) == 0) $OutputResultsBuffer .= "error in wordmap file: expected data not found"; $phrase_terms_data[$j][$xbi] = unpack("Cscore/Cprox/vpagenum/Vptr", $xbindata); } } else { $phrase_data_count[$j] = 0; $phrase_terms_data[$j] = 0; } } $phrase_terms_ids[$sw][$j] = 0; // null terminate the list if ($WordNotFound == 1) continue; } else if ($UseWildCards[$sw]) { $pattern = "/"; // match entire word if ($SearchAsSubstring == 0) $pattern = $pattern . "\A"; $pattern = $pattern . $RegExpSearchWords[$sw]; if ($SearchAsSubstring == 0) $pattern = $pattern . "\Z"; if ($ToLowerSearchWords != 0) $pattern = $pattern . "/i"; else $pattern = $pattern . "/"; } for ($i = 0; $i < $dict_count; $i++) { $dictline = $dict[$i]; $word = $dict[$i][$DICT_WORD]; // if we're not using wildcards, direct match if ($ExactPhrase == 1) { // todo: move to next phrase term if first phrase term is skipped? // compare first term in exact phrase //$result = wordcasecmp($phrase_terms[0], $word); if ($i == $phrase_terms_ids[$sw][0]) $result = 0; else $result = 1; } else if ($UseWildCards[$sw] == 0) { if ($SearchAsSubstring == 0) $result = wordcasecmp($SearchWords[$sw], $word); else { if (mystristr($word, $SearchWords[$sw]) == FALSE) $result = 1; // not matched else $result = 0; // matched } } else { // if we have wildcards... $result = !(preg_match($pattern, $word)); } // result = 0 if matched, result != 0 if not matched. // word found but indicated to be not indexed or skipped if ($result == 0 && $dictline[$DICT_PTR] == -1) { if ($UseWildCards[$sw] == 0 && $SearchAsSubstring == 0) { if ($ExactPhrase == 1) $SkippedExactPhrase = 1; SkipSearchWord($sw); break; } else continue; } if ($result == 0) { // keyword found in the dictionary $wordsmatched++; if ($ExcludeTerm == false && $wordsmatched > $MaxMatches) { $IsMaxLimitExceeded = true; break; } /// remember the dictionary ID for this matched search term $search_terms_ids[$sw] = $i; if ($ExactPhrase == 1) { // we'll use the wordmap data for the first term that we have worked out earlier $data = $phrase_terms_data[0]; $data_count = $phrase_data_count[0]; $ContextSeeks = 0; } else { // seek to position in wordmap file fseek($fp_wordmap, $dictline[$DICT_PTR]); //print "seeking in wordmap: " . $dictline[1] . "
"; // first 2 bytes is data count $countbytes = fread($fp_wordmap, 2); $data_count = ord($countbytes[0]) | ord($countbytes[1])<<8; //print "data count: " . $data_count . "
"; for ($bi = 0; $bi < $data_count; $bi++) { $bindata = fread($fp_wordmap, 8); if (strlen($bindata) == 0) $OutputResultsBuffer .= "Error in wordmap file: expected data not found"; $data[$bi] = unpack("Cscore/Cprox/vpagenum/Vptr", $bindata); } } $sw_results[$sw] += $data_count; // Go through wordmap for each page this word appears on for ($j = 0; $j < $data_count; $j++) { $score = $data[$j]["score"]; $prox = $data[$j]["prox"]; $txtptr = $data[$j]["ptr"]; $ipage = $data[$j]["pagenum"]; if ($score == 0) continue; if ($pageinfo[$ipage]["boost"] != 0) { $score *= ($pageinfo[$ipage]["boost"] / 10); $score = ceil($score); } if ($ExactPhrase == 1) { $maxptr = $data[$j]["ptr"]; $maxptr_term = 0; $GotoNextPage = 0; // Check if all of the other words in the phrase appears on this page. for ($xi = 0; $xi < $num_phrase_terms && $GotoNextPage == 0; $xi++) { // see if this word appears at all on this page, if not, we stop scanning page. // do not check for skipped words (data count value of zero) if ($phrase_data_count[$xi] != 0) { // check wordmap for this search phrase to see if it appears on the current page. for ($xbi = 0; $xbi < $phrase_data_count[$xi]; $xbi++) { if ($phrase_terms_data[$xi][$xbi]["pagenum"] == $data[$j]["pagenum"]) { // make sure that words appear in same proximity $overlapProx = $phrase_terms_data[$xi][$xbi]["prox"] << 1; if (($data[$j]["prox"] & $phrase_terms_data[$xi][$xbi]["prox"]) == 0 && ($data[$j]["prox"] & $overlapProx) == 0) { $GotoNextPage = 1; } else { // intersection, this term appears on both pages, goto next term // remember biggest pointer. if ($phrase_terms_data[$xi][$xbi]["ptr"] > $maxptr) { $maxptr = $phrase_terms_data[$xi][$xbi]["ptr"]; $maxptr_term = $xi; } $score += $phrase_terms_data[$xi][$xbi]["score"]; } break; } } if ($xbi == $phrase_data_count[$xi]) // if not found { $GotoNextPage = 1; break; // goto next page } } } // end phrase term for loop if ($GotoNextPage == 1) { continue; } // Check how many context seeks we have made. $ContextSeeks++; if ($ContextSeeks > $MaxContextSeeks) { $IsMaxLimitExceeded = true; break; } // ok, so this page contains all of the words in the phrase $FoundPhrase = 0; $FoundFirstWord = 0; // we goto the first occurance of the first word in pagetext $pos = $maxptr - (($maxptr_term+3) * $DictIDLen); // assume 3 possible punctuations. // do not seek further back than the occurance of the first word (avoid wrong page) if ($pos < $data[$j]["ptr"]) $pos = $data[$j]["ptr"]; fseek($fp_pagetext, $pos); // now we look for the phrase within the context of this page do { for ($xi = 0; $xi < $num_phrase_terms; $xi++) { // do...while loop to ignore punctuation marks in context phrase do { // Inlined (and unlooped) the following function for speed reasons //$xword_id = GetNextDictWord($fp_pagetext); $bytes_buffer = fread($fp_pagetext, $DictIDLen); if ($DictIDLen == 4) { $xword_id = ord($bytes_buffer[0]); $xword_id = $xword_id | ord($bytes_buffer[1]) << 8; $xword_id = $xword_id | ord($bytes_buffer[2]) << (8*2); $variant_index = $bytes_buffer[3]; } else { $xword_id = ord($bytes_buffer[0]); $xword_id = $xword_id | ord($bytes_buffer[1]) << 8; $variant_index = $bytes_buffer[2]; } $pos += $DictIDLen; // check if we are at the end of page (wordid = 0) or invalid $xword_id if ($xword_id == 0 || $xword_id == 1 || $xword_id >= $dict_count) break; } while ($xword_id <= $DictReservedLimit && !feof($fp_pagetext)); if ($xword_id == 0 || $xword_id == 1 || $xword_id >= $dict_count) break; // if the words are NOT the same, we break out if ($xword_id != $phrase_terms_ids[$sw][$xi]) { // also check against first word if ($xi != 0 && $xword_id == $phrase_terms_ids[$sw][0]) $xi = 0; // matched first word else break; } // remember how many times we find the first word on this page if ($xi == 0) { $FoundFirstWord++; // remember the position of the 'start' of this phrase $txtptr = $pos - $DictIDLen; } } if ($xi == $num_phrase_terms) { // exact phrase found! $FoundPhrase = 1; } } while ($xword_id != 0 && $FoundPhrase == 0 && $FoundFirstWord <= $data[$j]["score"]); if ($FoundPhrase != 1) continue; // goto next page. $checktime = time(); $checkTimeDiff = abs($starttime - $checktime); if ($checkTimeDiff > $MaxSearchTime) { $IsMaxLimitExceeded = true; break; } } //Check if page is already in output list $pageexists = 0; if ($ExcludeTerm == 1) { // we clear out the score entry so that it'll be excluded in the filtering stage $res_table[$ipage][0] = 0; } elseif ($res_table[$ipage][0] == 0) { // not in list, count this page as a unique match $res_table[$ipage][0] = $score; $res_table[$ipage][2] = $txtptr; $res_table[$ipage][6] = $prox; } else { // already in list if ($res_table[$ipage][0] > 10000) { // take it easy if its too big (to prevent huge scores) $res_table[$ipage][0] += 1; } else { $res_table[$ipage][0] += $score; //Add in score //$res_table[$ipage][0] *= 2; //Double Score as we have two words matching } // store the next two searchword matches if ($res_table[$ipage][1] > 0 && $res_table[$ipage][1] < $MaxContextKeywords) { if ($res_table[$ipage][3] == 0) $res_table[$ipage][3] = $txtptr; elseif ($res_table[$ipage][4] == 0) $res_table[$ipage][4] = $txtptr; } $res_table[$ipage][6] = $res_table[$ipage][6] & $prox; } $res_table[$ipage][1] += 1; if ($res_table[$ipage][0] > $maxscore) $maxscore = $res_table[$ipage][0]; // store the 'and' user search terms matched' value if ($res_table[$ipage][5] == $sw || $res_table[$ipage][5] == $sw-$SkippedWords-$exclude_count) $res_table[$ipage][5] += 1; } if ($UseWildCards[$sw] == 0 && $SearchAsSubstring == 0) break; //This search word was found, so skip to next } } } //Close the files fclose($fp_wordmap); if ($SkippedWords > 0) { $OutputBuffers[$OUTPUT_SUMMARY] .= "" . $STR_SKIPPED_FOLLOWING_WORDS . " " . $SkippedOutputStr . "\n"; } $metaParams = ""; // append to queryForURL with other query parameters for custom meta fields? if ($UseMetaFields == 1) { for ($fieldnum = 0; $fieldnum < $NumMetaFields; $fieldnum++) { if (is_array($meta_query[$fieldnum])) { $num_multi_query = count($meta_query[$fieldnum]); for ($mqi = 0; $mqi < $num_multi_query; $mqi++) $metaParams .= "&".$metafields[$fieldnum][$METAFIELD_NAME]."[]=".$meta_query[$fieldnum][$mqi]; } else { if ($meta_query[$fieldnum] !== "") $metaParams .= "&".$metafields[$fieldnum][$METAFIELD_NAME]."=".$meta_query[$fieldnum]; } } } // Do this after search form so we can keep the search form value the same as the way the user entered it if ($UseMetaFields == 1 && $MetaMoneyShowDec == 1) { for ($fieldnum = 0; $fieldnum < $NumMetaFields; $fieldnum++) { if ($metafields[$fieldnum][$METAFIELD_TYPE] == $METAFIELD_TYPE_MONEY && $meta_query[$fieldnum] !== "") $meta_query[$fieldnum] = $meta_query[$fieldnum] * 100; } } //Count number of output lines that match ALL search terms $oline = 0; $fullmatches = 0; $matches = 0; $baseScale = 1.3; $proxScale = 1.7; if (isset($WeightProximity)) $proxScale += ($WeightProximity/10); $CatCounterFilled = 0; if ($UseCats && $DisplayCatSummary == 1) { if (($cat[0] == -1 || $num_zoom_cats > 1) && $NumCats > 0) $CatCounter = array_fill(0, $NumCats, 0); else $DisplayCatSummary = 0; } // Second pass, results filtering. $full_numwords = $NumSearchWords - $SkippedWords - $exclude_count; for ($i = 0; $i < $pagesCount; $i++) { $IsFiltered = false; if ($res_table[$i][0] > 0 || $IsEmptyMetaQuery) { if ($UseMetaFields && $IsFiltered == false) { for ($fieldnum = 0; $fieldnum < $NumMetaFields && !$IsFiltered; $fieldnum++) { $IsAnyDropdown = false; if (is_array($meta_query[$fieldnum])) $tmpQueryVal = $meta_query[$fieldnum][0]; else $tmpQueryVal = $meta_query[$fieldnum]; if ($metafields[$fieldnum][$METAFIELD_TYPE] == $METAFIELD_TYPE_DROPDOWN || $metafields[$fieldnum][$METAFIELD_TYPE] == $METAFIELD_TYPE_MULTI) { if ($tmpQueryVal == -1) $IsAnyDropdown = true; } if ($tmpQueryVal !== "" && $IsAnyDropdown == false) { if ($metafields[$fieldnum][$METAFIELD_TYPE] == $METAFIELD_TYPE_TEXT) { if (strlen($metavalues[$i][$fieldnum]) == 0) $IsFiltered = true; else if ($metafields[$fieldnum][$METAFIELD_METHOD] == $METAFIELD_METHOD_SUBSTRING) { if (mystristr($metavalues[$i][$fieldnum], $meta_query[$fieldnum]) === FALSE) $IsFiltered = true; } else { if (strcasecmp($metavalues[$i][$fieldnum], $meta_query[$fieldnum]) !== 0) $IsFiltered = true; } } else if ($metafields[$fieldnum][$METAFIELD_TYPE] == $METAFIELD_TYPE_DROPDOWN) { if ($metavalues[$i][$fieldnum] == $METAFIELD_NOVALUE_MARKER) $IsFiltered = true; else if ($metavalues[$i][$fieldnum] != floatval($meta_query[$fieldnum])) $IsFiltered = true; } else if ($metafields[$fieldnum][$METAFIELD_TYPE] == $METAFIELD_TYPE_MULTI) { $IsFiltered = true; if ($metavalues[$i][$fieldnum] !== 0) { $num_multi_query = 0; if (is_array($meta_query[$fieldnum])) $num_multi_query = count($meta_query[$fieldnum]); for ($mqi = 0; $mqi < $num_multi_query && $IsFiltered; $mqi++) { for ($mvi = 0; $mvi < $metavalues[$i][$fieldnum][0]; $mvi++) { if ($metavalues[$i][$fieldnum][$mvi+1] == intval($meta_query[$fieldnum][$mqi])) { $IsFiltered = false; break; } } } } } else { // numeric comparison here if ($metavalues[$i][$fieldnum] == $METAFIELD_NOVALUE_MARKER) { $bRet = false; } else if ($metafields[$fieldnum][$METAFIELD_METHOD] == $METAFIELD_METHOD_LESSTHAN) { $bRet = $metavalues[$i][$fieldnum] < $meta_query[$fieldnum]; } else if ($metafields[$fieldnum][$METAFIELD_METHOD] == $METAFIELD_METHOD_LESSTHANORE) { $bRet = $metavalues[$i][$fieldnum] <= $meta_query[$fieldnum]; } else if ($metafields[$fieldnum][$METAFIELD_METHOD] == $METAFIELD_METHOD_GREATERTHAN) { $bRet = $metavalues[$i][$fieldnum] > $meta_query[$fieldnum]; } else if ($metafields[$fieldnum][$METAFIELD_METHOD] == $METAFIELD_METHOD_GREATERTHANORE) { $bRet = $metavalues[$i][$fieldnum] >= $meta_query[$fieldnum]; } else { // exact match $bRet = $metavalues[$i][$fieldnum] == $meta_query[$fieldnum]; } if ($bRet == false) $IsFiltered = true; } } // only add to res_table if empty query! if ($IsEmptyMetaQuery == true && $IsFiltered == false) { $res_table[$i][0]++; $res_table[$i][1]++; } } } if ($IsFiltered == false) { if ($res_table[$i][5] < $full_numwords && $and == 1) { // if AND search, only copy AND results $IsFiltered = true; } } if ($UseCats && $cat[0] != -1 && $IsFiltered == false) { // Using cats and not doing an "all cats" search $bFoundCat = false; for ($cati = 0; $cati < $num_zoom_cats; $cati++) { if (CheckBitInByteArray($cat[$cati], $catpages[$i]) !== 0) { if ($DisplayCatSummary == 1) { $CatCounter[$cat[$cati]]++; $CatCounterFilled = 1; } $bFoundCat = true; } } //if ($cati == $num_zoom_cats) if ($bFoundCat == false) $IsFiltered = true; } if ($IsFiltered == false) { // we can only count our AND total here AFTER we've filtered out the cats if ($res_table[$i][5] >= $full_numwords) $fullmatches++; // copy if not filtered out $output[$oline][0] = $i; // page index $finalScale = (($res_table[$i][6] / 255.0) * $proxScale) + $baseScale; if ($res_table[$i][1] > 1) // multiword search { if ($res_table[$i][1] <= 10) { $finalScale = pow($finalScale, $res_table[$i][1]-1); } else { $finalScale = pow($finalScale, 10); $finalScale += $res_table[$i][1] - 10; } } if ($UseCats && $DisplayCatSummary == 1 && $cat[0] == -1) { // if we are doing an All category search AND we're showing cat summary for ($cati = 0; $cati < $NumCats; $cati++) { //if (($pageinfo[$i]["catnumber"] & (1 << $cati)) !== 0) if (CheckBitInByteArray($cati, $catpages[$i]) !== 0) { $CatCounter[$cati]++; $CatCounterFilled = 1; } } } // final score and rounding $output[$oline][1] = (int) ($res_table[$i][0] * $finalScale + 0.5); $output[$oline][2] = $res_table[$i][1]; // num of sw matched $output[$oline][3] = $res_table[$i][2]; // pagetext ptr #1 $output[$oline][4] = $res_table[$i][3]; // pagetext ptr #2 $output[$oline][5] = $res_table[$i][4]; // pagetext ptr #3 $oline++; } } } $matches = $oline; //Sort results in order of score, use the "SortCompare" function if ($matches > 1) { if ($sort == 1 && $UseDateTime == 1) { usort($output, "SortByDate"); } else { // Default sort by relevance usort($output, "SortCompare"); } } //Display search result information $OutputBuffers[$OUTPUT_SUMMARY] .= "
\n"; if ($SkippedExactPhrase == 1) $OutputBuffers[$OUTPUT_SUMMARY] .= $STR_SKIPPED_PHRASE . ".
\n"; $OutputBuffers[$OUTPUT_SUMMARY] .= "\n"; if ($IsMaxLimitExceeded) $OutputBuffers[$OUTPUT_SUMMARY] .= $STR_PHRASE_CONTAINS_COMMON_WORDS . "\n"; if ($matches < 3) { if ($and == 1 && $NumSearchWords > 1) $OutputBuffers[$OUTPUT_SUGGESTION] .= "
"; if ($matches == 0) $OutputBuffers[$OUTPUT_SUMMARY] .= $STR_SUMMARY_NO_RESULTS_FOUND; elseif ($NumSearchWords > 1 && $and == 0) { //OR $SomeTermMatches = $matches - $fullmatches; $OutputBuffers[$OUTPUT_SUMMARY] .= PrintNumResults($fullmatches) . " " . $STR_SUMMARY_FOUND_CONTAINING_ALL_TERMS . " "; if ($SomeTermMatches > 0) $OutputBuffers[$OUTPUT_SUMMARY] .= PrintNumResults($SomeTermMatches) . " " . $STR_SUMMARY_FOUND_CONTAINING_SOME_TERMS; } elseif ($NumSearchWords > 1 && $and == 1) //AND $OutputBuffers[$OUTPUT_SUMMARY] .= PrintNumResults($fullmatches) . " " . $STR_SUMMARY_FOUND_CONTAINING_ALL_TERMS; else $OutputBuffers[$OUTPUT_SUMMARY] .= PrintNumResults($matches) . " " . $STR_SUMMARY_FOUND; $OutputBuffers[$OUTPUT_SUMMARY] .= "
\n"; else if ($UseCats && $cat[0] != -1) $OutputBuffers[$OUTPUT_SUGGESTION] .= "
" . $STR_POSSIBLY_GET_MORE_RESULTS . " ". $STR_ANY_OF_TERMS . "."; } // Show category summary if ($UseCats == 1 && $DisplayCatSummary == 1 && $CatCounterFilled == 1) { $OutputBuffers[$OUTPUT_CATSUMMARY] .= "
" . $STR_POSSIBLY_GET_MORE_RESULTS . " " . $STR_ALL_CATS . ".\n"; } if ($Spelling == 1) { // load in spellings file $fp_spell = fopen($SPELLINGFILE, "rt"); $i = 0; while (!feof($fp_spell)) { $spline = fgets($fp_spell, $MaxKeyWordLineLen); if (strlen($spline) > 0) { $spell[$i] = explode(" ", $spline, 4); $i++; } } fclose($fp_spell); $spell_count = $i; $SuggestStr = ""; $SuggestionFound = 0; $SuggestionCount = 0; $word = ""; $word2 = ""; $word3 = ""; $tmpWordStr = ""; // for local stemming and comparison for ($sw = 0; $sw < $NumSearchWords; $sw++) { if ($sw_results[$sw] >= $SpellingWhenLessThan) { // this word has enough results if ($sw > 0) $SuggestStr = $SuggestStr . " "; $SuggestStr = $SuggestStr . $SearchWords[$sw]; } else { // this word returned less results than threshold, and requires spelling suggestions $sw_spcode = GetSPCode($SearchWords[$sw]); if (strlen($sw_spcode) > 0) { $SuggestionFound = 0; for ($i = 0; $i < $spell_count && $SuggestionFound == 0; $i++) { $spcode = $spell[$i][0]; if ($spcode == $sw_spcode) { $j = 0; while ($SuggestionFound == 0 && $j < 3 && isset($spell[$i][1+$j])) { $dictid = intval($spell[$i][1+$j]); $word = GetSpellingWord($dictid); $tmpWordStr = $word; if ($UseStemming == 1) { $tmpWordStr = strtolower($tmpWordStr); $tmpWordStr = $porterStemmer->Stem($tmpWordStr); } if (wordcasecmp($tmpWordStr, $SearchWords[$sw]) == 0) { // Check that it is not a skipped word or the same word $SuggestionFound = 0; } else { $SuggestionFound = 1; $SuggestionCount++; if ($NumSearchWords == 1) // if single word search { if ($j < 1 && isset($spell[$i][1+$j+1])) { $dictid = intval($spell[$i][1+$j+1]); $word2 = GetSpellingWord($dictid); $tmpWordStr = $word2; if ($UseStemming == 1) { $tmpWordStr = strtolower($tmpWordStr); $tmpWordStr = $porterStemmer->Stem($tmpWordStr); } if (wordcasecmp($tmpWordStr, $SearchWords[$sw]) == 0) $word2 = ""; } if ($j < 2 && isset($spell[$i][1+$j+2])) { $dictid = intval($spell[$i][1+$j+2]); $word3 = GetSpellingWord($dictid); $tmpWordStr = $word3; if ($UseStemming == 1) { $tmpWordStr = strtolower($tmpWordStr); $tmpWordStr = $porterStemmer->Stem($tmpWordStr); } if (wordcasecmp($tmpWordStr, $SearchWords[$sw]) == 0) $word3 = ""; } } } $j++; } } elseif (strcmp($spcode, $sw_spcode) > 0) { break; } } if ($SuggestionFound == 1) { if ($sw > 0) $SuggestStr = $SuggestStr . " "; $SuggestStr = $SuggestStr . $word; // add string AFTER so we can preserve order of words } } } } if ($SuggestionCount > 0) { $OutputBuffers[$OUTPUT_SUGGESTION] .= "
".$STR_CAT_SUMMARY."\n\n"; for ($catit = 0; $catit < $NumCats; $catit++) { if ($CatCounter[$catit] > 0) { // if all the results found belonged in this current category, then we don't show it in the summary if ($CatCounter[$catit] != $matches) { $OutputBuffers[$OUTPUT_CATSUMMARY] .= "
\n- ".$catnames[$catit]; $OutputBuffers[$OUTPUT_CATSUMMARY] .= " (".$CatCounter[$catit].")
"; } else { // Clear the cat summary if we decided we didn't need to show it afterall $DisplayCatSummary = 0; $OutputBuffers[$OUTPUT_CATSUMMARY] = ""; } } } if ($DisplayCatSummary == 1) $OutputBuffers[$OUTPUT_CATSUMMARY] .= ""; } } // Number of pages of results $num_pages = ceil($matches / $per_page); if ($num_pages > 1) $OutputBuffers[$OUTPUT_PAGESCOUNT] .= "
" . $STR_DIDYOUMEAN . " ". $SuggestStr . ""; if (strlen($word2) > 0) $OutputBuffers[$OUTPUT_SUGGESTION] .= " $STR_OR ". $word2 . ""; if (strlen($word3) > 0) $OutputBuffers[$OUTPUT_SUGGESTION] .= " $STR_OR ". $word3 . ""; $OutputBuffers[$OUTPUT_SUGGESTION] .= "?\n"; // Show sorting options if ($matches > 1) { if ($UseDateTime == 1) { $OutputBuffers[$OUTPUT_SORTING] .= "
" . $num_pages . " " . $STR_PAGES_OF_RESULTS . ""; if ($sort == 1) $OutputBuffers[$OUTPUT_SORTING] .= "". $STR_SORTBY_RELEVANCE . " / ". $STR_SORTEDBY_DATE . ""; else $OutputBuffers[$OUTPUT_SORTING] .= "". $STR_SORTEDBY_RELEVANCE . " / ". $STR_SORTBY_DATE . ""; $OutputBuffers[$OUTPUT_SORTING] .= ""; } } // Determine current line of result from the $output array if ($page == 1) { $arrayline = 0; } else { $arrayline = (($page - 1) * $per_page); } // The last result to show on this page $result_limit = $arrayline + $per_page; // Display the results while ($arrayline < $matches && $arrayline < $result_limit) { $ipage = $output[$arrayline][0]; $score = $output[$arrayline][1]; $pgdata = GetPageData($ipage); $url = $pgdata[$PAGEDATA_URL]; $title = $pgdata[$PAGEDATA_TITLE]; $description = $pgdata[$PAGEDATA_DESC]; $urlLink = $url; //$urlLink = rtrim($urls[$ipage]); if ($GotoHighlight == 1) { if ($SearchAsSubstring == 1) $urlLink = AddParamToURL($urlLink, "zoom_highlightsub=".$queryForURL); else $urlLink = AddParamToURL($urlLink, "zoom_highlight=".$queryForURL); } if ($PdfHighlight == 1) { if (stristr($urlLink, ".pdf") != FALSE) $urlLink = $urlLink."#search="".str_replace("\"", "", $query)."""; } if ($arrayline % 2 == 0) $OutputResultsBuffer .= ""; else $OutputResultsBuffer .= ""; // end of results style tag // Show links to other result pages if ($num_pages > 1) { // 10 results to the left of the current page $start_range = $page - 10; if ($start_range < 1) $start_range = 1; // 10 to the right $end_range = $page + 10; if ($end_range > $num_pages) $end_range = $num_pages; $OutputBuffers[$OUTPUT_PAGENUMBERS] .= ""; if ($pageinfo[$ipage]["linkaction"] == 1) $target = " target=\"_blank\""; else $target = $zoom_target; if ($UseZoomImage) { if (isset($pgdata[$PAGEDATA_IMG])) $image = $pgdata[$PAGEDATA_IMG]; else $image = ""; if (strlen($image) > 0) { $OutputResultsBuffer .= ""; $arrayline++; } if ($DisplayContext == 1 || $AllowExactPhrase == 1) fclose($fp_pagetext); fclose($fp_pagedata); $OutputResultsBuffer .= ""; $OutputResultsBuffer .= ""; } } $OutputResultsBuffer .= ""; $OutputResultsBuffer .= "
"; if ($DisplayNumber == 1) $OutputResultsBuffer .= "".($arrayline+1).". "; if ($DisplayTitle == 1) { $OutputResultsBuffer .= ""; $OutputResultsBuffer .= PrintHighlightDescription(rtrim($title)); $OutputResultsBuffer .= ""; } else $OutputResultsBuffer .= "".rtrim($url).""; if ($UseCats) { $OutputResultsBuffer .= " "; for ($catit = 0; $catit < $NumCats; $catit++) { //if (($pageinfo[$ipage]["catnumber"] & (1 << $catit)) !== 0) if (CheckBitInByteArray($catit, $catpages[$ipage]) !== 0) $OutputResultsBuffer .= " [".trim($catnames[$catit])."]"; } $OutputResultsBuffer .= ""; } $OutputResultsBuffer .= "\n"; if ($UseMetaFields == 1 && $DisplayMetaFields == 1) { for ($fieldnum = 0; $fieldnum < $NumMetaFields; $fieldnum++) { if ($metavalues[$ipage][$fieldnum] != $METAFIELD_NOVALUE_MARKER && strlen($metavalues[$ipage][$fieldnum]) > 0) { $cssFieldName = "result_metaname_" . $metafields[$fieldnum][$METAFIELD_NAME]; $cssValueName = "result_metavalue_" . $metafields[$fieldnum][$METAFIELD_NAME]; if ($metafields[$fieldnum][$METAFIELD_TYPE] == $METAFIELD_TYPE_DROPDOWN) { $OutputResultsBuffer .= ""; } else if ($metafields[$fieldnum][$METAFIELD_TYPE] == $METAFIELD_TYPE_MULTI) { if ($metavalues[$ipage][$fieldnum][0] > 0) { $OutputResultsBuffer .= ""; } } else if ($metafields[$fieldnum][$METAFIELD_TYPE] == $METAFIELD_TYPE_MONEY) { $OutputResultsBuffer .= ""; } else { // just print it out $OutputResultsBuffer .= ""; } } } } if ($DisplayMetaDesc == 1) { // Print meta description if (strlen($description) > 2) { $OutputResultsBuffer .= ""; $OutputResultsBuffer .= PrintHighlightDescription(rtrim($description)); $OutputResultsBuffer .= "\n"; } } if ($DisplayContext == 1 && $output[$arrayline][2] > 0 && $IsEmptyMetaQuery == false) { // Extract contextual page content $context_keywords = $output[$arrayline][2]; // # of terms matched if ($context_keywords > $MaxContextKeywords) $context_keywords = $MaxContextKeywords; $context_word_count = ceil($ContextSize / $context_keywords); $goback = floor($context_word_count / 2); $gobackbytes = $goback * $DictIDLen; $last_startpos = 0; $last_endpos = 0; $FoundContext = 0; $OutputResultsBuffer .= "\n"; for ($j = 0; $j < $context_keywords && ($j == 0 || !feof($fp_pagetext)); $j++) { $origpos = $output[$arrayline][3 + $j]; $startpos = $origpos; if ($gobackbytes < $startpos) { $startpos = $startpos - $gobackbytes; $noGoBack = false; } else $noGoBack = true; // Check that this will not overlap with previous extract if ($startpos > $last_startpos && $startpos < $last_endpos) $startpos = $last_endpos; // we will just continue last extract if so. // find the pagetext pointed to fseek($fp_pagetext, $startpos); // remember the last start position $last_startpos = $startpos; $last_bytesread = 0; $bytesread = 0; $retDict = GetNextDictWord($fp_pagetext); $word_id = $retDict[0]; $variant_index = $retDict[1]; $bytesread += $DictIDLen; $contextArray = array_fill(0, $context_word_count, 0); $highlightArray = array_fill(0, $context_word_count, 0); for ($cti = 0; $cti < $context_word_count && !feof($fp_pagetext); $cti++) { if ($word_id == 0 || $word_id == 1 || $word_id >= $dict_count) // check if end of page or section { // if end of page occurs AFTER word pointer (ie: reached next page) if ($noGoBack || ($startpos+$bytesread) > $origpos) break; // then we stop. else // if end of page occurs BEFORE word pointer (ie: reached previous page) { //$context_str = "";// then we clear the existing context buffer we've created. $contextArray = array_fill(0, $context_word_count, 0); // then we clear the existing context buffer we've created. $cti = 0; } } else { if ($word_id >= $NumKeywords) { $OutputResultsBuffer .= "Critical error with pagetext file. Check that your files are from the same indexing session."; } else { if ($Highlighting == 1 && $IsEmptyMetaQuery == false && ($startpos+$last_bytesread) == $origpos) $highlightArray[$cti] = 1; $contextArray[$cti] = array(); $contextArray[$cti][0] = $word_id; $contextArray[$cti][1] = $variant_index; } } $last_bytesread = $bytesread; $retDict = GetNextDictWord($fp_pagetext); $word_id = $retDict[0]; $variant_index = $retDict[1]; $bytesread += $DictIDLen; } if ($Highlighting == 1) { HighlightContextArray($context_word_count); } $prev_word_id = 0; $context_str = ""; $noSpaceForNextChar = false; for ($cti = 0; $cti < $context_word_count && !feof($fp_pagetext); $cti++) { if ($contextArray[$cti] == 0) continue; $word_id = $contextArray[$cti][0]; $variant_index = $contextArray[$cti][1]; if ($noSpaceForNextChar == false) { // No space for reserved words (punctuation, etc) if ($word_id > $DictReservedNoSpaces) { if ($prev_word_id <= $DictReservedPrefixes || $prev_word_id > $DictReservedNoSpaces) $context_str .= " "; } elseif ($word_id > $DictReservedSuffixes && $word_id <= $DictReservedPrefixes) { // This is a Prefix character $context_str .= " "; $noSpaceForNextChar = true; } elseif ($word_id > $DictReservedPrefixes) // this is a nospace character $noSpaceForNextChar = true; } else $noSpaceForNextChar = false; if ($word_id > 0) { if ($Highlighting == 1 && ($highlightArray[$cti] == $HIGHLIGHT_SINGLE || $highlightArray[$cti] == $HIGHLIGHT_START)) $context_str .= ""; $context_str .= GetDictionaryWord($word_id, $variant_index); if ($Highlighting == 1 && ($highlightArray[$cti] == $HIGHLIGHT_SINGLE || $highlightArray[$cti] == $HIGHLIGHT_END)) $context_str .= ""; $prev_word_id = $word_id; /* if ($word_id <= $DictReservedLimit) { $context_str .= $dict[$word_id][$DICT_WORD]; } else { if ($variant_index > 0 && $variant_index <= $dict[$word_id][$DICT_VARCOUNT]) $context_str .= $dict[$word_id][$DICT_VARIANTS][$variant_index-1]; else $context_str .= htmlspecialchars($dict[$word_id][$DICT_WORD]); } */ } $prev_word_id = $word_id; $retDict = GetNextDictWord($fp_pagetext); $word_id = $retDict[0]; $variant_index = $retDict[1]; } // remember the last end position $last_endpos = ftell($fp_pagetext); if (strcmp(trim($context_str), trim($title)) == 0) { $context_str = ""; // clear the string if its identical to the title } if ($context_str != "") { $OutputResultsBuffer .= " ... "; $FoundContext = 1; //$context_str = htmlspecialchars($context_str); $OutputResultsBuffer .= $context_str; //$OutputResultsBuffer .= PrintHighlightDescription($context_str); } } if ($FoundContext == 1) $OutputResultsBuffer .= " ..."; $OutputResultsBuffer .= "\n"; } $info_str = ""; if ($DisplayTerms == 1) { $info_str .= $STR_RESULT_TERMS_MATCHED . " ". $output[$arrayline][2]; } if ($DisplayScore == 1) { if (strlen($info_str) > 0) $info_str .= " - "; $info_str .= $STR_RESULT_SCORE . " " . $score; } if ($DisplayDate == 1 && $pageinfo[$ipage]["datetime"] > 0) { if (strlen($info_str) > 0) $info_str .= " - "; $info_str .= date("j M Y", $pageinfo[$ipage]["datetime"]); } if ($DisplayFilesize == 1) { if (strlen($info_str) > 0) $info_str .= " - "; $filesize = $pageinfo[$ipage]["filesize"]/1024; if ($filesize == 0) $filesize = 1; $info_str .= number_format($filesize) . "k"; } if ($DisplayURL == 1) { if (strlen($info_str) > 0) $info_str .= " - "; $url = rtrim($url); if ($TruncateShowURL > 0) { if (strlen($url) > $TruncateShowURL) $url = substr($url, 0, $TruncateShowURL) . "..."; } $info_str .= $STR_RESULT_URL . " ".$url; } $OutputResultsBuffer .= "\n"; $OutputResultsBuffer .= "\n" . $STR_RESULT_PAGES . " "; if ($page > 1) $OutputBuffers[$OUTPUT_PAGENUMBERS] .= "<< " . $STR_RESULT_PAGES_PREVIOUS . " "; for ($i = $start_range; $i <= $end_range; $i++) { if ($i == $page) $OutputBuffers[$OUTPUT_PAGENUMBERS] .= $page." "; else $OutputBuffers[$OUTPUT_PAGENUMBERS] .= "".$i." "; } if ($page != $num_pages) $OutputBuffers[$OUTPUT_PAGENUMBERS] .= "" . $STR_RESULT_PAGES_NEXT . " >> "; $OutputBuffers[$OUTPUT_PAGENUMBERS] .= ""; } //Let others know about Zoom. if ($ZoomInfo == 1) $OutputBuffers[$OUTPUT_PAGENUMBERS] .= ""; if ($Timing == 1 || $Logging == 1) { $mtime = explode(" ", microtime()); $endtime = doubleval($mtime[1]) + doubleval($mtime[0]); $difference = abs($starttime - $endtime); $timetaken = number_format($difference, 3, '.', ''); if ($Timing == 1) $OutputBuffers[$OUTPUT_SEARCHTIME] .= " " . $STR_POWEREDBY . " Zoom Search Engine
\n"; } //Log the search words, if required if ($Logging == 1) { $LogQuery = str_replace("\"", "\"\"", $query); if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) { $ip_addr = $_SERVER['HTTP_X_FORWARDED_FOR']; $ip_array = explode(",", $ip_addr); if (count($ip_array) > 0) $ip_addr = trim($ip_array[0]); // get first IP if there are multiple addresses } else $ip_addr = $_SERVER['REMOTE_ADDR']; $LogString = Date("Y-m-d, H:i:s") . ", " . $ip_addr . ", \"" .$LogQuery . "\", Matches = " . $matches; if ($and == 1) $LogString = $LogString . ", AND"; else $LogString = $LogString . ", OR"; if ($NewSearch == 1) $page = 0; $LogString = $LogString . ", PerPage = " . $per_page . ", PageNum = " . $page; if ($UseCats == 0) $LogString = $LogString . ", No cats"; else { if ($cat[0] == -1) $LogString = $LogString . ", \"Cat = All\""; else { $LogString = $LogString . ", \"Cat = "; for ($cati = 0; $cati < $num_zoom_cats; $cati++) { if ($cati > 0) $LogString = $LogString . ", "; $logCatStr = trim($catnames[$cat[$cati]]); $logCatStr = str_replace("\"", "\"\"", $logCatStr); $LogString = $LogString . $logCatStr; } $LogString = $LogString . "\""; } } $LogString = $LogString . ", Time = " . $timetaken; $LogString = $LogString . ", Rec = " . $num_recs_found; // end of entry $LogString = $LogString . "\r\n"; $fp = fopen ($LogFileName, "ab"); if ($fp != false) { fputs ($fp, $LogString); fclose ($fp); } else { $OutputResultsBuffer .= "Unable to write to log file (" . $LogFileName . "). Check that you have specified the correct log filename in your Indexer settings and that you have the required file permissions set.
" . $STR_SEARCH_TOOK . " " . $timetaken . " " . $STR_SECONDS . "
"; } } //Print out the end of the template ShowTemplate(); // ---------------------------------------------------------------------------------- // Porter Stemming algorithm by Dr Martin Porter. // PHP5 implementation by Richard Heyes, copyright 2005. // PHP4 support and additional features by Wrensoft, copyright 2009. // The PorterStemmer class is available for use "free of charge for any purpose" as // published on Martin Porter's website (http://tartarus.org/~martin/PorterStemmer/) // ---------------------------------------------------------------------------------- class PorterStemmer { var $regex_consonant = '(?:[bcdfghjklmnpqrstvwxz]|(?<=[aeiou])y|^y)'; var $regex_vowel = '(?:[aeiou]|(??'; function Stem($word) { if (strlen($word) <= 2) { return $word; } if (strcspn($word, $this->StemStopChars) < strlen($word)) return $word; $word = $this->step1ab($word); $word = $this->step1c($word); $word = $this->step2($word); $word = $this->step3($word); $word = $this->step4($word); $word = $this->step5($word); return $word; } function step1ab($word) { // Part a if (substr($word, -1) == 's') { $this->replace($word, 'sses', 'ss') OR $this->replace($word, 'ies', 'i') OR $this->replace($word, 'ss', 'ss') OR $this->replace($word, 's', ''); } // Part b if (substr($word, -2, 1) != 'e' OR !$this->replace($word, 'eed', 'ee', 0)) { // First rule $v = $this->regex_vowel; // ing and ed if ( preg_match("#$v+#", substr($word, 0, -3)) && $this->replace($word, 'ing', '') OR preg_match("#$v+#", substr($word, 0, -2)) && $this->replace($word, 'ed', '')) { // Note use of && and OR, for precedence reasons // If one of above two test successful if ( !$this->replace($word, 'at', 'ate') AND !$this->replace($word, 'bl', 'ble') AND !$this->replace($word, 'iz', 'ize')) { // Double consonant ending if ( $this->doubleConsonant($word) AND substr($word, -2) != 'll' AND substr($word, -2) != 'ss' AND substr($word, -2) != 'zz') { $word = substr($word, 0, -1); } else if ($this->m($word) == 1 AND $this->cvc($word)) { $word .= 'e'; } } } } return $word; } function step1c($word) { $v = $this->regex_vowel; if (substr($word, -1) == 'y' && preg_match("#$v+#", substr($word, 0, -1))) { $this->replace($word, 'y', 'i'); } return $word; } function step2($word) { switch (substr($word, -2, 1)) { case 'a': $this->replace($word, 'ational', 'ate', 0) OR $this->replace($word, 'tional', 'tion', 0); break; case 'c': $this->replace($word, 'enci', 'ence', 0) OR $this->replace($word, 'anci', 'ance', 0); break; case 'e': $this->replace($word, 'izer', 'ize', 0); break; case 'g': $this->replace($word, 'logi', 'log', 0); break; case 'l': $this->replace($word, 'entli', 'ent', 0) OR $this->replace($word, 'ousli', 'ous', 0) OR $this->replace($word, 'alli', 'al', 0) OR $this->replace($word, 'bli', 'ble', 0) OR $this->replace($word, 'eli', 'e', 0); break; case 'o': $this->replace($word, 'ization', 'ize', 0) OR $this->replace($word, 'ation', 'ate', 0) OR $this->replace($word, 'ator', 'ate', 0); break; case 's': $this->replace($word, 'iveness', 'ive', 0) OR $this->replace($word, 'fulness', 'ful', 0) OR $this->replace($word, 'ousness', 'ous', 0) OR $this->replace($word, 'alism', 'al', 0); break; case 't': $this->replace($word, 'biliti', 'ble', 0) OR $this->replace($word, 'aliti', 'al', 0) OR $this->replace($word, 'iviti', 'ive', 0); break; } return $word; } function step3($word) { switch (substr($word, -2, 1)) { case 'a': $this->replace($word, 'ical', 'ic', 0); break; case 's': $this->replace($word, 'ness', '', 0); break; case 't': $this->replace($word, 'icate', 'ic', 0) OR $this->replace($word, 'iciti', 'ic', 0); break; case 'u': $this->replace($word, 'ful', '', 0); break; case 'v': $this->replace($word, 'ative', '', 0); break; case 'z': $this->replace($word, 'alize', 'al', 0); break; } return $word; } function step4($word) { switch (substr($word, -2, 1)) { case 'a': $this->replace($word, 'al', '', 1); break; case 'c': $this->replace($word, 'ance', '', 1) OR $this->replace($word, 'ence', '', 1); break; case 'e': $this->replace($word, 'er', '', 1); break; case 'i': $this->replace($word, 'ic', '', 1); break; case 'l': $this->replace($word, 'able', '', 1) OR $this->replace($word, 'ible', '', 1); break; case 'n': $this->replace($word, 'ant', '', 1) OR $this->replace($word, 'ement', '', 1) OR $this->replace($word, 'ment', '', 1) OR $this->replace($word, 'ent', '', 1); break; case 'o': if (substr($word, -4) == 'tion' OR substr($word, -4) == 'sion') { $this->replace($word, 'ion', '', 1); } else { $this->replace($word, 'ou', '', 1); } break; case 's': $this->replace($word, 'ism', '', 1); break; case 't': $this->replace($word, 'ate', '', 1) OR $this->replace($word, 'iti', '', 1); break; case 'u': $this->replace($word, 'ous', '', 1); break; case 'v': $this->replace($word, 'ive', '', 1); break; case 'z': $this->replace($word, 'ize', '', 1); break; } return $word; } function step5($word) { // Part a if (substr($word, -1) == 'e') { if ($this->m(substr($word, 0, -1)) > 1) { $this->replace($word, 'e', ''); } else if ($this->m(substr($word, 0, -1)) == 1) { if (!$this->cvc(substr($word, 0, -1))) { $this->replace($word, 'e', ''); } } } // Part b if ($this->m($word) > 1 AND $this->doubleConsonant($word) AND substr($word, -1) == 'l') { $word = substr($word, 0, -1); } return $word; } function replace(&$str, $check, $repl, $m = null) { $len = 0 - strlen($check); if (substr($str, $len) == $check) { $substr = substr($str, 0, $len); if (is_null($m) OR $this->m($substr) > $m) { $str = $substr . $repl; } return true; } return false; } function m($str) { $c = $this->regex_consonant; $v = $this->regex_vowel; $str = preg_replace("#^$c+#", '', $str); $str = preg_replace("#$v+$#", '', $str); preg_match_all("#($v+$c+)#", $str, $matches); return count($matches[1]); } function doubleConsonant($str) { $c = $this->regex_consonant; return preg_match("#$c{2}$#", $str, $matches) AND $matches[0]{0} == $matches[0]{1}; } function cvc($str) { $c = $this->regex_consonant; $v = $this->regex_vowel; return preg_match("#($c$v$c)$#", $str, $matches) AND strlen($matches[1]) == 3 AND $matches[1]{2} != 'w' AND $matches[1]{2} != 'x' AND $matches[1]{2} != 'y'; } } ?>