The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.
Swish::META_TYPE_UNDEF 
    (integer)
   Swish::META_TYPE_STRING 
    (integer)
   Swish::META_TYPE_ULONG 
    (integer)
   Swish::META_TYPE_DATE 
    (integer)
   Swish::IN_FILE_BIT 
    (integer)
   Swish::IN_TITLE_BIT 
    (integer)
   Swish::IN_HEAD_BIT 
    (integer)
   Swish::IN_BODY_BIT 
    (integer)
   Swish::IN_COMMENTS_BIT 
    (integer)
   Swish::IN_HEADER_BIT 
    (integer)
   Swish::IN_EMPHASIZED_BIT 
    (integer)
   Swish::IN_META_BIT 
    (integer)
   Swish::IN_FILE 
    (integer)
   Swish::IN_TITLE 
    (integer)
   Swish::IN_HEAD 
    (integer)
   Swish::IN_BODY 
    (integer)
   Swish::IN_COMMENTS 
    (integer)
   Swish::IN_HEADER 
    (integer)
   Swish::IN_EMPHASIZED 
    (integer)
   Swish::IN_META 
    (integer)
   Swish::IN_ALL 
    (integer)