Microsoft Word - Core PHP Programming Using PHP to Build Dynamic Web Sites

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The pg_host function returns the name of the host for the connection. See pg_exec for
an example of use.


pg_loclose(integer file)


The pg_loclose function closes a large object. The file argument is a file identifier
returned by pg_loopen. See pg_loopen for an example of use.


integer pg_locreate(integer connection)


The pg_locreate function creates a large object and returns the OID. The object is
created with both read and write access.


<?
$Object = pg_locreate($Connection);
?>


integer pg_loopen(integer connection, integer object, string
mode)


The pg_loopen function opens a large object. The object argument is a valid large object
ID and the mode may be one of r, w, rw. A file identifier is returned.


<?
$Object = pg_locreate($Connection);
$File = pg_loopen($Connection, $Object, "r");
pg_loclose($File);
?>


string pg_loread(integer file, integer length)


The pg_loread function returns the large object as a string. The length argument
specifies a maximum length to return.


<?
$Object = pg_locreate($Connection);
$File = pg_loopen($Connection, $Object, "r");
$Contents = pg_loread($File, 4096);
?>


pg_loreadall(integer file)

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