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pg_lo_unlink

(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)

pg_lo_unlink — Delete a large object

Descripción

pg_lo_unlink(PgSql\Connection $connection, int $oid): bool

pg_lo_unlink() deletes a large object with the oid. Devuelve true en caso de éxito o false en caso de error.

To use the large object interface, it is necessary to enclose it within a transaction block.

Nota:

This function used to be called pg_lounlink().

Parámetros

connection

An PgSql\Connection instance. When connection is unspecified, the default connection is used. The default connection is the last connection made by pg_connect() or pg_pconnect().

Advertencia

As of PHP 8.1.0, using the default connection is deprecated.

oid

The OID of the large object in the database.

Valores devueltos

Devuelve true en caso de éxito o false en caso de error.

Historial de cambios

Versión Descripción
8.1.0 The connection parameter expects an PgSql\Connection instance now; previously, a recurso was expected.

Ejemplos

Ejemplo #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");
?>

Ver también

  • pg_lo_create() - Create a large object
  • pg_lo_import() - Import a large object from file