php man page for cubrid_lob2_seek

CUBRID_LOB2_SEEK(3)							 1						       CUBRID_LOB2_SEEK(3)

cubrid_lob2_seek - Move the cursor of a lob object.

SYNOPSIS
       bool cubrid_lob2_seek (resource	$lob_identifier, int  $offset, [int  $origin = CUBRID_CURSOR_CURRENT])

DESCRIPTION
	The  cubrid_lob2_seek(3)  function  is	used  to move the cursor position of a lob object by the value set in the $offset argument, to the
       direction set in the $origin argument.

	To set the $origin argument, you can use CUBRID_CURSOR_FIRST to set the cursor position moving forward $offset units from the first begin-
       ning. In this case, $offset must be a positive value.

	If you use CUBRID_CURSOR_CURRENT for $origin, you can move forward or backward. and $offset can be positive or negative.

	If  you  use  CUBRID_CURSOR_LAST for $origin, you can move backward $offset units from the end of LOB object and $offset only can be posi-
       tive.

PARAMETERS
	      o $lob_identifier
		-Lob identifier as a result of cubrid_lob2_new(3) or get from the result set.

	      o $offset
		-Number of units you want to move the cursor.

	      o $origin
		-This parameter can be the following values:CUBRID_CURSOR_FIRST: move forward from the first beginning.CUBRID_CURSOR_CURRENT: move
		forward or backward from the current position.CUBRID_CURSOR_LAST: move backward at the end of LOB object.

RETURN VALUES
       TRUE if the process is successful and FALSE for failure.

EXAMPLES
       Example #1

	      cubrid_lob2_seek(3) example

	      <?php
	      // test_lob (id INT, contents CLOB)
	      $conn = cubrid_connect("localhost", 33000, "demodb", "dba", "");

	      cubrid_execute($conn,"DROP TABLE if exists test_lob");
	      cubrid_execute($conn,"CREATE TABLE test_lob (id INT, contents CLOB)");
	      $req = cubrid_prepare($conn, "INSERT INTO test_lob VALUES(2, ?)");

	      $lob = cubrid_lob2_new($conn, 'CLOB');
	      $len = cubrid_lob2_write($lob, "Hello world");

	      cubrid_lob2_seek($lob, 0, CUBRID_CURSOR_LAST);
	      cubrid_lob2_write($lob, "beautiful");

	      cubrid_lob2_seek($lob, 15, CUBRID_CURSOR_FIRST);
	      $data = cubrid_lob2_read($lob, 5);

	      echo $data."
";

	      cubrid_lob2_bind($req, 1, $lob);
	      cubrid_execute($req);

	      cubrid_disconnect($conn);
	      ?>

SEE ALSO
       cubrid_lob2_read(3),   cubrid_lob2_write(3),   cubrid_lob2_seek64(3),   cubrid_lob2_tell(3),   cubrid_lob2_tell64(3),  cubrid_lob2_size(3),
       cubrid_lob2_size64(3).

PHP Documentation Group 												       CUBRID_LOB2_SEEK(3)