php man page for cubrid_set_drop

CUBRID_SET_DROP(3)							 1							CUBRID_SET_DROP(3)

cubrid_set_drop - Delete an element from set type column using OID

SYNOPSIS
       bool cubrid_set_drop (resource  $conn_identifier, string  $oid, string  $attr_name, string  $set_element)

DESCRIPTION
	The  cubrid_set_drop(3)  function  is  used to delete an element that you request from the given set type (set, multiset) attribute of the
       database.

PARAMETERS
	      o $conn_identifier
		-Connection identifier.

	      o $oid
		-OID of the instance you want to work with.

	      o $attr_name
		-Name of the attribute you want to delete an element from.

	      o $set_element
		-Content of the element you want to delete.

RETURN VALUES
       TRUE, when process is successful.

       FALSE, when process is unsuccessful.

EXAMPLES
       Example #1

	      cubrid_set_drop(3) example

	      <?php
	      $conn = cubrid_connect("localhost", 33000, "demodb", "dba");

	      @cubrid_execute($conn, "DROP TABLE foo");
	      cubrid_execute($conn, "CREATE TABLE foo(a int AUTO_INCREMENT, b set(int), c list(int), d char(10))");
	      cubrid_execute($conn, "INSERT INTO foo(a, b, c, d) VALUES(1, {1,2,3}, {11,22,33,333}, 'a')");

	      $req = cubrid_execute($conn, "SELECT * FROM foo", CUBRID_INCLUDE_OID);

	      cubrid_move_cursor($req, 1, CUBRID_CURSOR_FIRST);
	      $oid = cubrid_current_oid($req);

	      $attr = cubrid_col_get($conn, $oid, "b");
	      var_dump($attr);

	      cubrid_set_drop($conn, $oid, "b", "1");

	      $attr = cubrid_col_get($conn, $oid, "b");
	      var_dump($attr);

	      cubrid_close_request($req);
	      cubrid_disconnect($conn);
	      ?>

	      The above example will output:

	      array(3) {
		[0]=>
		string(1) "1"
		[1]=>
		string(1) "2"
		[2]=>
		string(1) "3"
	      }
	      array(2) {
		[0]=>
		string(1) "2"
		[1]=>
		string(1) "3"
	      }

SEE ALSO
       cubrid_set_add(3).

PHP Documentation Group 													CUBRID_SET_DROP(3)