ibase_blob_echo

(PHP 5, PHP 7 < 7.4.0)

ibase_blob_echo — Output blob contents to browser

ibase_blob_echo(string $blob_id): bool

ibase_blob_echo(resource $link_identifier, string $blob_id): bool

This function opens a BLOB for reading and sends its contents directly to standard output (the browser, in most cases).

link_identifier: An 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。