pg_lo_unlink
(PHP 4 >= 4.2.0, PHP 5)
pg_lo_unlink — Delete a large object
說明
bool pg_lo_unlink
( resource $connection
, int $oid
)
pg_lo_unlink() deletes a large object with the oid . 如果æˆåŠŸå‰‡å›žå‚³ TRUE，失敗則回傳 FALSE。
To use the large object interface, it is necessary to enclose it within a transaction block.
Note: This function used to be called pg_lounlink().
åƒæ•¸
- connection
-
PostgreSQL database connection resource. When connection is not present, the default connection is used. The default connection is the last connection made by pg_connect() or pg_pconnect().
- oid
-
The OID of the large object in the database.
Return值
如果æˆåŠŸå‰‡å›žå‚³ TRUE，失敗則回傳 FALSE。
範例
Example#1 pg_lo_unlink() example
<?php
// OID of the large object to delete
$doc_oid = 189762345;
$database = pg_connect("dbname=jacarta");
pg_query($database, "begin");
pg_lo_unlink($database, $doc_oid);
pg_query($database, "commit");
?>