pg_lo_tell
(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
pg_lo_tell —
Returns current seek position a of large object
Description
To use the large object interface, it is necessary to
enclose it within a transaction block.
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:
pg_lo_seek
PostgreSQL Functions