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(PHP 5, PHP 7 < 7.4.0)
ibase_blob_echo — Output blob contents to browser
$blob_id): bool
$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。
