(PHP 5)
ibase_blob_echo — Output blob contents to browser
$blob_id
)$link_identifier
, string $blob_id
)This function opens a BLOB for reading and sends its contents directly to standard output (the browser, in most cases).
link_identifier
An InterBase link identifier. If omitted, the last opened link is assumed.
blob_id
成功时返回 TRUE， 或者在失败时返回 FALSE。
int21h (2011-07-05 02:11:54)
here is an example if image.php
<?php
if (isset($_REQUEST['imageid']) AND $_REQUEST['imageid']>0) {
$db = 'host:/var/db/mydb.fdb';
$dbusername = 'sysdba';
$dbpassword = 'masterkey';
$query = "SELECT IMAGEDATA, MIME FROM IMAGES WHERE IMAGEID=".$_REQUEST['imageid'];
$dbh = ibase_connect($db, $dbusername, $dbpassword, 'UTF8') or die('Couldn't connect DB');
$result = ibase_query($query);
$data = ibase_fetch_object($result);
if ($data)
{
header("Content-type: ".$data->MIME);
ibase_blob_echo ($data->IMAGEDATA);
}
ibase_close($dbh);
}
?>