www/plugins/seo-v1/seo_fonctions.php

   1 <?php
   2
   3 if (!defined("_ECRIRE_INC_VERSION")) return;
   4
   5 include_spip('inc/texte');
   6
   7 /**
   8  * Renvoyer la balise <link> pour URL CANONIQUES
   9  * @return string $flux
  10  */
  11 function generer_urls_canoniques(){
  12         include_spip('balise/url_');
  13
  14         if (count($GLOBALS['contexte'])==0){
  15                 $objet = 'sommaire';
  16         } elseif (isset($GLOBALS['contexte']['id_article'])) {
  17                 $id_objet = $GLOBALS['contexte']['id_article'];
  18                 $objet = 'article';
  19         } elseif (isset($GLOBALS['contexte']['id_rubrique'])) {
  20                 $id_objet = $GLOBALS['contexte']['id_rubrique'];
  21                 $objet = 'rubrique';
  22         }
  23
  24         switch ($objet) {
  25                 case 'sommaire':
  26                         $flux .= '<link rel="canonical" href="' . url_de_base() . '" />';
  27                         break;
  28                 default:
  29                         $flux .= '<link rel="canonical" href="' . url_de_base() . generer_url_entite($id_objet, $objet) . '" />';
  30                         break;
  31         }
  32
  33         return $flux;
  34 }
  35
  36 /**
  37  * Renvoyer la balise SCRIPT de Google Analytics
  38  * @return string $flux
  39  */
  40 function generer_google_analytics(){
  41         /* CONFIG */
  42         $config = unserialize($GLOBALS['meta']['seo']);
  43
  44         /* GOOGLE ANALYTICS */
  45         if ($config['analytics']['id']){
  46                 // Nouvelle balise : http://www.google.com/support/analytics/bin/answer.py?hl=fr_FR&answer=174090&utm_id=ad
  47                 $flux .= "<script type=\"text/javascript\">
  48         var _gaq = _gaq || [];
  49         _gaq.push(['_setAccount', '" . $config['analytics']['id'] . "']);
  50         _gaq.push(['_trackPageview']);
  51         (function() {
  52                 var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
  53                 ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
  54                 var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
  55         })();
  56 </script>
  57 ";
  58         }
  59
  60         return $flux;
  61 }
  62
  63 /**
  64  * Renvoyer les META Classiques
  65  * - Meta Titre / Description / etc.
  66  * @return string $flux
  67  */
  68 function calculer_meta_tags(){
  69
  70     include_spip('inc/texte');
  71
  72         /* CONFIG */
  73         $config = unserialize($GLOBALS['meta']['seo']);
  74
  75         if (isset($GLOBALS['contexte']['id_article'])){
  76                 $id_objet = $GLOBALS['contexte']['id_article'];
  77                 $objet = 'article';
  78         } elseif (isset($GLOBALS['contexte']['id_rubrique'])) {
  79                 $id_objet = $GLOBALS['contexte']['id_rubrique'];
  80                 $objet = 'rubrique';
  81         } else {
  82                 $objet = 'sommaire';
  83         }
  84
  85         /* META TAGS */
  86
  87         // If the meta tags configuration is activate
  88         $meta_tags = array();
  89
  90         switch ($objet) {
  91                 case 'sommaire':
  92                         $meta_tags = $config['meta_tags']['tag'];
  93                         break;
  94                 default:
  95                         $table = table_objet_sql($objet);
  96                         $id_table_objet = id_table_objet($objet);
  97                         $title = couper(sql_getfetsel("titre", $table, "$id_table_objet = " . intval($id_objet)), 64);
  98                         $requete = sql_allfetsel("descriptif,texte", $table, "$id_table_objet = " . intval($id_objet));
  99                         if ($requete) $description = couper(implode(" ", $requete[0]), 150, '');
 100                         // Get the value set by default
 101                         foreach ($config['meta_tags']['default'] as $name => $option){
 102                                 if ($option=='sommaire'){
 103                                         $meta_tags[$name] = $config['meta_tags']['tag'][$name];
 104                                 } elseif ($option=='page') {
 105                                         if ($name=='title') $meta_tags['title'] = $title;
 106                                         if ($name=='description') $meta_tags['description'] = $description;
 107                                 } elseif ($option=='page_sommaire') {
 108                                         if ($name=='title') $meta_tags['title'] = $title . (($title!='') ? ' - ' : '') . $config['meta_tags']['tag'][$name];
 109                                         if ($name=='description') $meta_tags['description'] = $description . (($description!='') ? ' - ' : '') . $config['meta_tags']['tag'][$name];
 110                                 }
 111                         }
 112
 113                         // If the meta tags rubrique and articles editing is activate (should overwrite other setting)
 114                         if ($config['meta_tags']['activate_editing']=='yes' && ($objet=='article' || $objet=='rubrique')){
 115                                 $result = sql_select("*", "spip_seo", "id_objet = " . intval($id_objet) . " AND objet = " . sql_quote($objet));
 116                                 while ($r = sql_fetch($result)){
 117                                         if ($r['meta_content']!='')
 118                                                 $meta_tags[$r['meta_name']] = $r['meta_content'];
 119                                 }
 120                         }
 121                         break;
 122         }
 123
 124         return $meta_tags;
 125 }
 126
 127 function generer_meta_tags($meta_tags = null){
 128         $flux = '';
 129         //Set meta list if not provided
 130         if (!is_array($meta_tags))
 131                 $meta_tags = calculer_meta_tags();
 132
 133         // Print the result on the page
 134         foreach ($meta_tags as $name => $content){
 135                 if ($content!='')
 136                         if ($name=='title')
 137                                 $flux .= '<title>' . trim(htmlspecialchars(supprimer_numero(textebrut(propre($content))))) . '</title>' . "\n";
 138                         else
 139                                 $flux .= '<meta name="' . $name . '" content="' . trim(htmlspecialchars(textebrut(propre($content)))) . '" />' . "\n";
 140
 141         }
 142         return $flux;
 143 }
 144
 145 /**
 146  * Renvoyer une META toute seule (hors balise)
 147  * @param string $nom
 148  * @return string|bool
 149  */
 150 function generer_meta_brute($nom){
 151         $config = unserialize($GLOBALS['meta']['seo']);
 152         $nom = strtolower($nom);
 153
 154         if ($config['meta_tags']['tag'][$nom]){
 155                 return $config['meta_tags']['tag'][$nom];
 156         }
 157
 158         return false;
 159 }
 160
 161 /**
 162  * Renvoyer la META GOOGLE WEBMASTER TOOLS
 163  * @return string $flux
 164  */
 165 function generer_webmaster_tools(){
 166         /* CONFIG */
 167         $config = unserialize($GLOBALS['meta']['seo']);
 168
 169         if ($config['webmaster_tools']['id'])
 170                 return '<meta name="google-site-verification" content="' . $config['webmaster_tools']['id'] . '" />
 171                 ';
 172 }
 173
 174
 175 /**
 176  * Renvoyer la META BING TOOLS
 177  * @return string $flux
 178  */
 179 function generer_bing(){
 180         /* CONFIG */
 181         $config = unserialize($GLOBALS['meta']['seo']);
 182
 183         if ($config['bing']['id'])
 184                 return '<meta name="msvalidate.01" content="' . $config['bing']['id'] . '" />
 185                 ';
 186 }
 187
 188 /**
 189  * Renvoyer la META ALEXA
 190  * @return string $flux
 191  */
 192 function generer_alexa(){
 193         /* CONFIG */
 194         $config = unserialize($GLOBALS['meta']['seo']);
 195
 196         if ($config['alexa']['id'])
 197                 return '<meta name="alexaVerifyID" content="' . $config['alexa']['id'] . '"/>';
 198 }
 199
 200 /**
 201  * #SEO_URL
 202  * Renvoyer la balise <link> pour URL CANONIQUES
 203  */
 204 function balise_SEO_URL($p){
 205         $p->code = "calculer_balise_SEO_URL()";
 206         return $p;
 207 }
 208
 209 function calculer_balise_SEO_URL(){
 210         $flux = generer_urls_canoniques();
 211         return $flux;
 212 }
 213
 214 /**
 215  * #SEO_GA
 216  * Renvoyer la balise SCRIPT de Google Analytics
 217  */
 218 function balise_SEO_GA($p){
 219         $p->code = "calculer_balise_SEO_GA()";
 220         return $p;
 221 }
 222
 223 function calculer_balise_SEO_GA(){
 224         $flux = generer_google_analytics();
 225         return $flux;
 226 }
 227
 228 /**
 229  * #SEO_META_TAGS
 230  * Renvoyer les META Classiques
 231  * - Meta Titre / Description / etc.
 232  */
 233 function balise_SEO_META_TAGS($p){
 234         $p->code = "calculer_balise_SEO_META_TAGS()";
 235         return $p;
 236 }
 237
 238 function calculer_balise_SEO_META_TAGS(){
 239         $flux = generer_meta_tags();
 240         return $flux;
 241 }
 242
 243 /**
 244  * #SEO_META_BRUTE{nom_de_la_meta}
 245  * Renvoyer la valeur de la meta appelée (sans balise)
 246  */
 247 function balise_SEO_META_BRUTE($p){
 248         $_nom = str_replace("'", "", interprete_argument_balise(1, $p));
 249         $p->code = "calculer_balise_META_BRUTE($_nom)";
 250         $p->interdire_scripts = false;
 251         return $p;
 252 }
 253
 254 function calculer_balise_META_BRUTE($_nom){
 255         $metas = calculer_meta_tags();
 256         $meta = $metas[$_nom];
 257         if (!$meta)
 258                 return "";
 259         return $meta;
 260 }
 261
 262 /**
 263  * #SEO_GWT
 264  * Renvoyer la META GOOGLE WEBMASTER TOOLS
 265  */
 266 function balise_SEO_GWT($p){
 267         $p->code = "calculer_balise_SEO_GWT()";
 268         return $p;
 269 }
 270
 271 function calculer_balise_SEO_GWT(){
 272         $flux = generer_webmaster_tools();
 273         return $flux;
 274 }
 275