(PHP 4 >= 4.2.0, PHP 5, PHP 7)
Read a large object
string pg_lo_read ( resource $large_object [, int $len = 8192 ] )
pg_lo_read() reads at most len
bytes from a large object and returns it as a string.
To use the large object interface, it is necessary to enclose it within a transaction block.
Note:
This function used to be called pg_loread().
Parameters:
large_object
PostgreSQL large object (LOB) resource, returned by pg_lo_open().
len
An optional maximum number of bytes to return.
Returns:
A string containing len
bytes from the large object, or FALSE
on error.
Examples:
pg_lo_read() example
<?php $doc_oid = 189762345; $database = pg_connect("dbname=jacarta"); pg_query($database, "begin"); $handle = pg_lo_open($database, $doc_oid, "r"); $data = pg_lo_read($handle, 50000); pg_query($database, "commit"); echo $data; ?>
See also:
Please login to continue.