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pg_lo_read

Read a large object (PHP 4 >= 4.2.0, PHP 5)
string pg_lo_read ( resource large_object [, int len] )

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. Defaults to 8192.

Return Values

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

Examples

Example 1949. pg_lo_read() example

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<?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;

?>

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