php man page for pg_lo_read

PG_LO_READ(3)															     PG_LO_READ(3)

pg_lo_read - Read a large object

SYNOPSIS
       string pg_lo_read (resource  $large_object, [int  $len = 8192])

DESCRIPTION
       pg_lo_read(3) 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(3).

PARAMETERS
	      o $large_object
		- PostgreSQL large object (LOB) resource, returned by pg_lo_open(3).

	      o $len
		- An optional maximum number of bytes to return.

RETURN VALUES
	A string containing $len bytes from the large object, or FALSE on error.

EXAMPLES
       Example #1

	      pg_lo_read(3) 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
       pg_lo_read_all(3).

PHP Documentation Group 													     PG_LO_READ(3)