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(PECL CUBRID >= 8.3.0)
cubrid_lock_write — Set a write lock on the given OID
$conn_identifier   
   ,  string $oid   
   )
    The  cubrid_lock_write()  function is used to put write
    lock on the instance pointed by the given oid.
  
conn_identifier Connection identifier.
oid OID of the instance that you want to put write lock on.
  TRUE , when process is successful.
  
  FALSE , when process is unsuccessful.
  
Example #1 cubrid_lock_write() 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')" );
 cubrid_execute ( $conn ,  "INSERT INTO foo(a, b, c, d) VALUES(2, {4,5,7}, {44,55,66,666}, 'b')" );
 $req  =  cubrid_execute ( $conn ,  "SELECT * FROM foo" ,  CUBRID_INCLUDE_OID );
 cubrid_move_cursor ( $req ,  1 ,  CUBRID_CURSOR_FIRST );
 $oid  =  cubrid_current_oid ( $req );
 cubrid_lock_write ( $conn ,  $oid );
 $attr  =  cubrid_col_get ( $conn ,  $oid ,  "b" );
 var_dump ( $attr );
 cubrid_put ( $conn ,  $oid ,  "b" , array( 2 ,  4 ,  8 ));
 $attr  =  cubrid_col_get ( $conn ,  $oid ,  "b" );
 var_dump ( $attr );
 cubrid_close_request ( $req );
 cubrid_disconnect ( $conn );
 ?>   以上例程会输出:
array(3) {
  [0]=>
  string(1) "1"
  [1]=>
  string(1) "2"
  [2]=>
  string(1) "3"
}
array(3) {
  [0]=>
  string(1) "2"
  [1]=>
  string(1) "4"
  [2]=>
  string(1) "8"
}