pg_lo_export

PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8
pg_lo_export - Export a large object to file
Manual
Code Examples

pg_lo_export( [PgSql\Connection$connection], int$oid, string$pathname ): bool

pg_lo_export takes a large object in a PostgreSQL database and saves its contents to a file on the local filesystem.

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

Note:

This function used to be called pg_loexport.

Parameters

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.

Warning:

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

oid

The OID of the large object in the database.

pathname

The full path and file name of the file in which to write the large object on the client filesystem.

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.

Related Functions

Example of pg_lo_export

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Function pg_lo_export:

PostgreSQL Functions

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