# cubrid_move_cursor

(PECL CUBRID >= 8.3.0)

cubrid_move_cursor — Move the cursor in the result

### 说明

cubrid_move_cursor(resource `$req_identifier`, int `$offset`, int `$origin` = CUBRID_CURSOR_CURRENT): bool

The cubrid_move_cursor() function is used to move the current cursor location of `req_identifier` 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` for the first part of the result, `CUBRID_CURSOR_CURRENT` for the current location of the result, or `CUBRID_CURSOR_LAST` for the last part of the result. If `origin` argument is not explicitly designated, then the function uses `CUBRID_CURSOR_CURRENT` as its default value.

If the value of cursor movement range goes over the valid limit, then the cursor moves to the next location after the valid range for the cursor. For example, if you move 20 units in the result with the size of 10, then the cursor will move to 11th place and return `CUBRID_NO_MORE_DATA`.

### 参数

`req_identifier`
  Request identifier.
`offset`
  Number of units you want to move the cursor.
`origin`
  Location where you want to move the cursor from `CUBRID_CURSOR_FIRST`, `CUBRID_CURSOR_CURRENT`, `CUBRID_CURSOR_LAST`.

### 返回值

成功时返回 `true`， 或者在失败时返回 `false`。

### 示例

示例 #1 cubrid_move_cursor() example

`<?php
$conn = cubrid_connect("127.0.0.1", 33000, "demodb", "dba");
$req = cubrid_execute($conn, "SELECT * FROM code");
cubrid_move_cursor($req, 1, CUBRID_CURSOR_LAST);
$result = cubrid_fetch_row($req);
var_dump($result);
cubrid_move_cursor($req, 1, CUBRID_CURSOR_FIRST);
$result = cubrid_fetch_row($req);
var_dump($result);
cubrid_move_cursor($req, 1, CUBRID_CURSOR_CURRENT);
$result = cubrid_fetch_row($req);
var_dump($result);
cubrid_close_request($req);
cubrid_disconnect($conn);
?>`

以上示例会输出：

    array(2) {
      [0]=>
      string(1) "G"
      [1]=>
      string(4) "Gold"
    }
    array(2) {
      [0]=>
      string(1) "X"
      [1]=>
      string(5) "Mixed"
    }
    array(2) {
      [0]=>
      string(1) "M"
      [1]=>
      string(3) "Man"
    }

### 参见

- cubrid_execute() - Execute a prepared SQL statement

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