[Sommaire] [Imprimer]

   1  <?php
   2  
   3  function get_bookmark($bookmark_id, $output = OBJECT) {
   4      global $wpdb;
   5  
   6      $link = $wpdb->get_row("SELECT * FROM $wpdb->links WHERE link_id = '$bookmark_id'");
   7      $link->link_category = wp_get_link_cats($bookmark_id);
   8  
   9      if ( $output == OBJECT ) {
  10          return $link;
  11      } elseif ( $output == ARRAY_A ) {
  12          return get_object_vars($link);
  13      } elseif ( $output == ARRAY_N ) {
  14          return array_values(get_object_vars($link));
  15      } else {
  16          return $link;
  17      }
  18  }
  19  
  20  // Deprecate
  21  function get_link($bookmark_id, $output = OBJECT) {
  22      return get_bookmark($bookmark_id, $output);
  23  }
  24  
  25  function get_bookmarks($args = '') {
  26      global $wpdb;
  27  
  28      if ( is_array($args) )
  29          $r = &$args;
  30      else
  31          parse_str($args, $r);
  32  
  33      $defaults = array('orderby' => 'name', 'order' => 'ASC', 'limit' => -1, 'category' => '',
  34          'category_name' => '', 'hide_invisible' => 1, 'show_updated' => 0, 'include' => '', 'exclude' => '');
  35      $r = array_merge($defaults, $r);
  36      extract($r);
  37  
  38      $key = md5( serialize( $r ) );
  39      if ( $cache = wp_cache_get( 'get_bookmarks', 'bookmark' ) )
  40          if ( isset( $cache[ $key ] ) )
  41              return apply_filters('get_bookmarks', $cache[ $key ], $r );
  42  
  43      $inclusions = '';
  44      if ( !empty($include) ) {
  45      $exclude = '';  //ignore exclude, category, and category_name params if using include
  46      $category = '';
  47      $category_name = '';
  48          $inclinks = preg_split('/[\s,]+/',$include);
  49          if ( count($inclinks) ) {
  50              foreach ( $inclinks as $inclink ) {
  51                  if (empty($inclusions))
  52                      $inclusions = ' AND ( link_id = ' . intval($inclink) . ' ';
  53                  else
  54                      $inclusions .= ' OR link_id = ' . intval($inclink) . ' ';
  55              }
  56          }
  57      }
  58      if (!empty($inclusions))
  59          $inclusions .= ')';
  60  
  61      $exclusions = '';
  62      if ( !empty($exclude) ) {
  63          $exlinks = preg_split('/[\s,]+/',$exclude);
  64          if ( count($exlinks) ) {
  65              foreach ( $exlinks as $exlink ) {
  66                  if (empty($exclusions))
  67                      $exclusions = ' AND ( link_id <> ' . intval($exlink) . ' ';
  68                  else
  69                      $exclusions .= ' AND link_id <> ' . intval($exlink) . ' ';
  70              }
  71          }
  72      }
  73      if (!empty($exclusions))
  74          $exclusions .= ')';
  75          
  76      if ( ! empty($category_name) ) {
  77          if ( $cat_id = $wpdb->get_var("SELECT cat_ID FROM $wpdb->categories WHERE cat_name='$category_name' LIMIT 1") )
  78              $category = $cat_id;
  79      }
  80  
  81      $category_query = '';
  82      $join = '';
  83      if ( !empty($category) ) {
  84          $incategories = preg_split('/[\s,]+/',$category);
  85          if ( count($incategories) ) {
  86              foreach ( $incategories as $incat ) {
  87                  if (empty($category_query))
  88                      $category_query = ' AND ( category_id = ' . intval($incat) . ' ';
  89                  else
  90                      $category_query .= ' OR category_id = ' . intval($incat) . ' ';
  91              }
  92          }
  93      }
  94      if (!empty($category_query)) {
  95          $category_query .= ')';
  96          $join = " LEFT JOIN $wpdb->link2cat ON ($wpdb->links.link_id = $wpdb->link2cat.link_id) ";
  97      }
  98  
  99      if (get_option('links_recently_updated_time')) {
 100          $recently_updated_test = ", IF (DATE_ADD(link_updated, INTERVAL " . get_option('links_recently_updated_time') . " MINUTE) >= NOW(), 1,0) as recently_updated ";
 101      } else {
 102          $recently_updated_test = '';
 103      }
 104  
 105      if ($show_updated) {
 106          $get_updated = ", UNIX_TIMESTAMP(link_updated) AS link_updated_f ";
 107      }
 108  
 109      $orderby = strtolower($orderby);
 110      $length = '';
 111      switch ($orderby) {
 112          case 'length':
 113              $length = ", CHAR_LENGTH(link_name) AS length";
 114              break;
 115          case 'rand':
 116              $orderby = 'rand()';
 117              break;
 118          default:
 119              $orderby = "link_" . $orderby;
 120      }
 121  
 122      if ( 'link_id' == $orderby )
 123          $orderby = "$wpdb->links.link_id";
 124  
 125      $visible = '';
 126      if ( $hide_invisible )
 127          $visible = "AND link_visible = 'Y'";
 128  
 129      $query = "SELECT * $length $recently_updated_test $get_updated FROM $wpdb->links $join WHERE 1=1 $visible $category_query";
 130      $query .= " $exclusions $inclusions";
 131      $query .= " ORDER BY $orderby $order";
 132      if ($limit != -1)
 133          $query .= " LIMIT $limit";
 134  
 135      $results = $wpdb->get_results($query);
 136  
 137      $cache[ $key ] = $results;
 138      wp_cache_set( 'get_bookmarks', $cache, 'bookmark' );
 139  
 140      return apply_filters('get_bookmarks', $results, $r);
 141  }
 142  
 143  function delete_get_bookmark_cache() {
 144      wp_cache_delete( 'get_bookmarks', 'bookmark' );
 145  }
 146  add_action( 'add_link', 'delete_get_bookmark_cache' );
 147  add_action( 'edit_link', 'delete_get_bookmark_cache' );
 148  add_action( 'delete_link', 'delete_get_bookmark_cache' );
 149  
 150  ?>