tbl_get_field.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Provides download to a given field defined in parameters.
   5  *
   6  * @package PhpMyAdmin
   7  */
   8
   9 /**
  10  * Common functions.
  11  */
  12 require_once 'libraries/common.inc.php';
  13 require_once 'libraries/mime.lib.php';
  14
  15 /* Check parameters */
  16 PMA_Util::checkParameters(
  17     array('db', 'table', 'where_clause', 'transform_key')
  18 );
  19
  20 /* Select database */
  21 if (!PMA_DBI_select_db($db)) {
  22     PMA_Util::mysqlDie(
  23         sprintf(__('\'%s\' database does not exist.'), htmlspecialchars($db)),
  24         '', ''
  25     );
  26 }
  27
  28 /* Check if table exists */
  29 if (!PMA_DBI_get_columns($db, $table)) {
  30     PMA_Util::mysqlDie(__('Invalid table name'));
  31 }
  32
  33 /* Grab data */
  34 $sql = 'SELECT ' . PMA_Util::backquote($transform_key)
  35     . ' FROM ' . PMA_Util::backquote($table)
  36     . ' WHERE ' . $where_clause . ';';
  37 $result = PMA_DBI_fetch_value($sql);
  38
  39 /* Check return code */
  40 if ($result === false) {
  41     PMA_Util::mysqlDie(__('MySQL returned an empty result set (i.e. zero rows).'), $sql);
  42 }
  43
  44 /* Avoid corrupting data */
  45 @ini_set('url_rewriter.tags', '');
  46
  47 PMA_downloadHeader(
  48     $table . '-' .  $transform_key . '.bin',
  49     PMA_detectMIME($result),
  50     strlen($result)
  51 );
  52 echo $result;
  53 ?>