(PHP 5, PHP 7)
ibase_blob_echo — Output blob contents to browser
$blob_id
) : bool$link_identifier
, string $blob_id
) : boolThis 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
成功时返回 TRUE， 或者在失败时返回 FALSE。