pg_lo_unlink
(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
pg_lo_unlink — Delete a large object
Description
pg_lo_unlink() deletes a large object with the
oid. Returns true on success or false on failure.
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().
Parameters
-
connection -
An PgSql\Connection instance. When
connectionis unspecified, the default connection is used. The default connection is the last connection made by pg_connect() or pg_pconnect().WarningAs of PHP 8.1.0, using the default connection is deprecated.
-
oid -
The OID of the large object in the database.
Return Values
Returns true on success or false on failure.
Changelog
| Version | Description |
|---|---|
| 8.1.0 |
The connection parameter expects an PgSql\Connection
instance now; previously, a resource was expected.
|
Examples
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");
?>
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