(PHP 5)
ibase_blob_echo — Output blob contents to browser
$blob_id
   )$link_identifier
   , string $blob_id
   )This function opens a BLOB for reading and sends its contents directly to standard output (the browser, in most cases).
link_identifierAn InterBase link identifier. If omitted, the last opened link is assumed.
blob_id
   Returns TRUE on success or FALSE on failure.