Exemplo n.º 1
0
 /**
  * Check if creator exists in the database
  *
  * @return	bool			TRUE if the item exists, FALSE if not
  */
 public function exists()
 {
     if (!$this->id) {
         trigger_error('$this->id not set');
     }
     $sql = "SELECT COUNT(*) FROM creators WHERE creatorID=?";
     return !!Zotero_DB::valueQuery($sql, $this->id, Zotero_Shards::getShardIDByLibraryID($this->libraryID));
 }