<?php

/*-------------------------------------------------------+

| PHP-Fusion Content Management System

| Copyright (C) 2002 - 2008 Nick Jones

| http://www.php-fusion.co.uk/

+--------------------------------------------------------+

| Filename: metatags.php

| Author: Dennis Vorpahl (Comy)

| www:    http://www.php-fusion-shop.de

+--------------------------------------------------------+

| This program is released as free software under the

| Affero GPL license. You can redistribute it and/or

| modify it under the terms of this license which you

| can read by viewing the included agpl.txt or online

| at www.gnu.org/licenses/agpl.html. Removal of this

| copyright header is strictly prohibited without

| written permission from the original author(s).

+--------------------------------------------------------*/



define('AUTOMETA_TAGS_STOPWORDS', '2009,aber,alle,alles,als,an,auch,auf,aus,bei,beim,beinahe,bereits,bin,bis,ist,dabei,dadurch,daher,damit,dank,darum,danach,das,daß,dass,dein,deine,dem,den,der,des,dessen,dadurch,deshalb,die,dies,diese,dieser,diesen,diesem,dieses,doch,dort,du,durch,eher,ein,eine,einem,einen,einer,eines,einige,einigen,einiges,eigene,eigenes,eigener,endlich,er,erste,es,euer,eure,etwas,fast,fertig,findet,für,gab,gibt,geben,getan,haben,hatte,hatten,hattest,hattet,heute,hier,hinter,ich,ihr,ihre,ihn,ihm,im,immer,in,ist,ja,jede,jedem,jeden,jeder,jedes,jener,jenes,jetzt,kann,kannst,kein,können,könnt,kommentar,kommentare,lesen,machen,man,mein,meine,mehr,middot,mit,muß,mußt,musst,müssen,müßt,nach,nachdem,neben,nein,nicht,nichts,noch,nun,nur,oder,statt,anstatt,seid,sein,seine,seiner,seite,sich,sicher,sie,sind,so,soll,sollen,sollst,sollt,sonst,soweit,sowie,und,uns,unser,unsere,unserem,unseren,unter,vom,von,vor,wann,warum,was,war,weiter,weitere,wenn,wer,werde,widmen,widmet,viel,viele,vieles,weil,werden,werdet,weshalb,wie,wieder,wieso,wir,wird,wirst,wohl,woher,wohin,wurde,zum,zur,über');



define('AUTOMETA_TAGS_MINLENGTH', '5'); //mindest Länge der Wörter

define('AUTOMETA_TAGS_MAXLENGTH', '18'); //max Länge der Wörter

define('AUTOMETA_TAGS_DESCLENGTH', '160');  // Meta Description Länger als 200 sollte diese nicht sein

// max. number of keywords (if set to false, it will be ignored)

// define('AUTOMETA_TAGS_MAXKEYWORDS', false);

define('AUTOMETA_TAGS_MAXKEYWORDS', '10'); // maximale Keyword Anzahl 10 ist gut. Mehr als 3 Keywords lassen sich auf einer Internetseite eh nicht optimieren





// Ab hier nichts ändern, es denn du weisst was du tust!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

global $metaStopWords, $metaMinLength, $metaMaxLength, $metaDesLength, $metaMaxKeywords;

$metaStopWords   = AUTOMETA_TAGS_STOPWORDS;

$metaMinLength   = AUTOMETA_TAGS_MINLENGTH;

$metaMaxLength   = AUTOMETA_TAGS_MAXLENGTH;

$metaDesLength   = AUTOMETA_TAGS_DESCLENGTH;

$metaMaxKeywords = AUTOMETA_TAGS_MAXKEYWORDS;

// ---------------------------------------------------------------------------------------







// ---------------------------------------------------------------------------------------

//        Change umlauts and spezial-chars

// ---------------------------------------------------------------------------------------

function metaNoEntities($Text){

    return html_entity_decode ($Text, ENT_QUOTES, 'UTF-8');

}

function metaHtmlEntities($Text, $quote_style = ENT_QUOTES) {

    return htmlspecialchars($Text, $quote_style);

}

// ---------------------------------------------------------------------------------------

//        create an Array

// ---------------------------------------------------------------------------------------

function prepareWordArray($Text) {

    $Text = str_replace(array('&nbsp;','\t','\r','\n','\b','&middot',':',',','/',';','.','0-9','!','(',')'), ' ', strip_tags($Text));

   $Text = strtolower($Text);



   //$Text = preg_replace("/[^a-z üäöß]-/"," ",$Text);



    $Text = trim(preg_replace("/\s\s+/", ' ', $Text));

    return ($Text);

}

function makeWordArray($Text) {

    $Text = func_get_args();

    $Words = array();

    foreach ($Text as $Word) {

        if ((!empty($Word)) && (is_string($Word))) {

            $Words = array_merge($Words,explode(' ', $Word));

        }

    }

    return array_unique($Words);

}

function WordArray($Text) {

    return makeWordArray(prepareWordArray($Text));

}

// ---------------------------------------------------------------------------------------

//        for Keywords sorting

// ---------------------------------------------------------------------------------------

function cleanKeyWords($KeyWords) {

    global $metaStopWords;

    $KeyWords  = WordArray($KeyWords);

    $StopWords = WordArray($metaStopWords);

    $KeyWords  = array_diff($KeyWords, $StopWords);

    $KeyWords  = array_filter($KeyWords, filterKeyWordArray);





    return $KeyWords;

}

// ---------------------------------------------------------------------------------------

//        length check

// ---------------------------------------------------------------------------------------

function filterKeyWordArray($KeyWord) {

    global $metaMinLength, $metaMaxLength;



    if (!in_array($KeyWord)) {

        $Length = strlen($KeyWord);

        if ($Length < $metaMinLength) {

            return false;

        } elseif ($Length > $metaMaxLength) {

            return false;

        }

    }

    return true;

}

// ---------------------------------------------------------------------------------------

//        Delete spaces and special-chars

// ---------------------------------------------------------------------------------------

function metaClean($Text,$Length=false,$Abk=' ...') {

    $Text = metaNoEntities($Text);

    $Text = strip_tags($Text);

    $Text = str_replace(array('&nbsp;','\t','\r','\n','\b'), ' ', $Text);

    $Text = trim(preg_replace("/\s\s+/", ' ', $Text));

    if (($Length)&&($Length > 0)) {

        if (strlen($Text) > $Length) {

            $Length -= strlen($Abk);

            $Text = preg_replace('/\s+?(\S+)?$/', '', substr($Text, 0, $Length+1));

            $Text = substr($Text, 0, $Length).$Abk;

        }

    }

    return metaHtmlEntities($Text,ENT_QUOTES);

}

// ---------------------------------------------------------------------------------------

//        metaTitle und metaKeyWords creat MetaTag

// ---------------------------------------------------------------------------------------

function metaTitle($Title=array()) {

    $Title = func_get_args();

    $Title = array_filter($Title, metaClean);

    return implode(' - ', $Title);

}

// ---------------------------------------------------------------------------------------

function metaKeyWords($Text) {

    global $metaMaxKeywords;

    $KeyWords = cleanKeyWords($Text);



    if ($metaMaxKeywords !== false) {

        $KeyWords = array_slice($KeyWords, 0, $metaMaxKeywords);

    }

    return implode(', ', $KeyWords);

}

// ---------------------------------------------------------------------------------------





        $meta_keyw = metaKeyWords(CONTENT);

        $meta_descr = $fusion_page_title.': '.CONTENT;



    set_meta('description', metaClean($meta_descr,$metaDesLength));

   set_meta('keywords', $meta_keyw);





   add_to_head('<meta http-equiv="content-language" content="' . $locale['xml_lang'].'" />');

    add_to_head('<meta http-equiv="cache-control" content="no-cache" />');

   add_to_head('<meta name="robots" content="index,follow" />');

   add_to_head('<meta name="language" content="' . $locale['xml_lang'].'" />');

   add_to_head('<meta name="author" content="david wimmer" />');

   add_to_head('<meta name="publisher" content="david wimmer" />');

   add_to_head('<meta name="company" content="www.afinet.de" />');

   //add_to_head('<meta name="page-topic" content="' . metaClean(META_TOPIC).'" />');

   //add_to_head('<meta name="reply-to" content="' . META_REPLY_TO.'" />');









   add_to_head('<meta name="distribution" content="global" />');

   add_to_head('<meta name="revisit-after" content="24hours" />');

   add_to_head('<meta name="robots" content="noodp" />');

   add_to_head('<meta name="generator" content="SEO PHP-Fusion" />');



?>