pg_lo_export

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

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pg_lo_export ([ resource $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.

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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

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pathname

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Example #1 pg_lo_export() example

<?php
   $database = pg_connect("dbname=jacarta");
   pg_query($database, "begin");
   $oid = pg_lo_create($database);
   $handle = pg_lo_open($database, $oid, "w");
   pg_lo_write($handle, "large object data");
   pg_lo_close($handle);
   pg_lo_export($database, $oid, '/tmp/lob.dat');
   pg_query($database, "commit");
?>

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