pg_lo_tell

Description

pg_lo_tell() returns the current position (offset from the beginning) of a large object.

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

Parameters

Return Values

The current seek offset (in number of bytes) from the beginning of the large object. If there is an error, the return value is negative.

Examples

Example 1. pg_lo_tell() example <?php    $doc_oid = 189762345;    $database = pg_connect("dbname=jacarta");    pg_query($database, "begin");    $handle = pg_lo_open($database, $doc_oid, "r");    // Skip first 50000 bytes    pg_lo_seek($handle, 50000, PGSQL_SEEK_SET);    // See how far we've skipped    $offset = pg_lo_tell($handle);    echo "Seek position is: $offset";    pg_query($database, "commit"); ?> The above example will output: Seek position is: 50000

See Also