pg_lo_write

pg_lo_write

Write to a large object

 **pg_lo_write** PgSql\Lob $lob string $data  $length

writes data into a large object

at the current seek position. pg_lo_write

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

Opmerking: > This function used to be called . pg_lowrite

lob``data The data to be written to the large object. If is an and is less than the length of , only bytes will be written. length``int``data``length

length An optional maximum number of bytes to write. Must be greater than zero and no greater than the length of . Defaults to the length of . data``data

The number of bytes written to the large object, or false on error.

Voorbeeld: example

<?php
   $doc_oid = 189762345;
   $data = "This will overwrite the start of the large object.";
   $database = pg_connect("dbname=jacarta");
   pg_query($database, "begin");
   $handle = pg_lo_open($database, $doc_oid, "w");
   $data = pg_lo_write($handle, $data);
   pg_query($database, "commit");
?>

pg_lo_create``pg_lo_open