(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
Returns true
on success or false
on failure.
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https://www.php.net/manual/en/function.ibase-blob-echo.php