(PHP 5, PHP 7 < 7.4.0)
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
成功時(shí)返回 true， 或者在失敗時(shí)返回 false。