Description:
------------
can't open encrypted database which created by  wxSQLite.

<?php
   $db = new SQLite3('x.db',SQLITE3_OPEN_READONLY,"1");
   $db->exec("PRAGMA KEY='1'");
   $result = $db->query('SELECT * FROM xxx');
   var_dump($result->fetchArray());
?>

Warning: SQLite3::query(): Unable to prepare statement: 26, file is encrypted or is not a database 


Reproduce code:
---------------
---
From manual page: sqlite3.open
---


Expected result:
----------------
my table: CREATE TABLE xxx(iswho text,itimes int);
liming|1
xiaojie|2
two records.
Expected result:
array(4) {
  [0]=>
  string(6) "liming"
  ["iswho"]=>
  string(6) "liming"
  [1]=>
  int(1)
  ["itimes"]=>
  int(1)
}



Actual result:
--------------
Warning: SQLite3::query(): Unable to prepare statement: 26, file is encrypted or is not a database