# cubrid_lob_export

(PECL CUBRID >= 8.3.1)

cubrid_lob_export — Export BLOB/CLOB data to file

### 说明

cubrid_lob_export ( resource `$conn_identifier` , resource `$lob_identifier` , string `$path_name` ) : bool

cubrid_lob_export() is used to get BLOB/CLOB data from CUBRID database, and saves its contents to a file. To use this function, you must use cubrid_lob_get() first to get BLOB/CLOB info from CUBRID.

### 参数

`conn_identifier`

  Connection identifier.

`lob_identifier`

  LOB identifier.

`path_name`

  Path name of the file.

### 返回值

`TRUE`, when process is successful.

`FALSE`, when process is unsuccessful.

### 范例

Example #1 cubrid_lob_export() example

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

    cubrid_execute($conn,"DROP TABLE if exists doc");
    cubrid_execute($conn,"CREATE TABLE doc (id INT, doc_content CLOB)");
    cubrid_execute($conn,"INSERT INTO doc VALUES (5,'hello,cubrid')");

    $lobs = cubrid_lob_get($conn, "SELECT doc_content FROM doc WHERE id=5");
    echo "Doc size: ".cubrid_lob_size($lobs[0])." bytes";
    cubrid_lob_export($conn, $lobs[0], "doc_5.txt");
    cubrid_lob_close($lobs);
    cubrid_disconnect($conn);
    ?>

### 参见

- cubrid_lob_get() - Get BLOB/CLOB data
- cubrid_lob_close() - Close BLOB/CLOB data
- cubrid_lob_size() - Get BLOB/CLOB data size
- cubrid_lob_send() - Read BLOB/CLOB data and send straight to browser