Note that the SQLITE3_OPEN_READONLY flag cannot be combined with the SQLITE3_OPEN_CREATE flag. If you combine both of these flags, a rather unhelpful "Unable to open database: out of memory" exception will be thrown.SQLite3::__construct
Почист и полокален преглед на PHP референцата, со задржана структура од PHP.net и подобра читливост за примери, секции и белешки.
SQLite3::__construct
Референца за `sqlite3.construct.php` со подобрена типографија и навигација.
SQLite3::__construct
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SQLite3::__construct — Instantiates an SQLite3 object and opens an SQLite 3 database
= NULL
$filename, int $flags (PHP 5 >= 5.3.0, PHP 7, PHP 8), string $encryptionKey = "")Instantiates an SQLite3 object and opens a connection to an SQLite 3 database. If the build includes encryption, then it will attempt to use the key.
Параметри
filename-
Path to the SQLite database, or
:memory:to use in-memory database. Iffilenameis an empty string, then a private, temporary on-disk database will be created. This private database will be automatically deleted as soon as the database connection is closed. flags-
Optional flags used to determine how to open the SQLite database. By default, open uses
SQLITE3_OPEN_READWRITE | SQLITE3_OPEN_CREATE.-
SQLITE3_OPEN_READONLY: Open the database for reading only. -
SQLITE3_OPEN_READWRITE: Open the database for reading and writing. -
SQLITE3_OPEN_CREATE: Create the database if it does not exist.
-
encryptionKey-
An optional encryption key used when encrypting and decrypting an SQLite database. If the SQLite encryption module is not installed, this parameter will have no effect.
Errors/Exceptions
Фрла Исклучок при неуспех.
Дневник на промени
| Верзија | = NULL |
|---|---|
| 7.0.10 |
На filename can now be empty to use a private, temporary on-disk database.
|
Примери
Пример #1 SQLite3::__construct() example
<?php
$db = new SQLite3('mysqlitedb.db');
$db->exec('CREATE TABLE foo (bar TEXT)');
$db->exec("INSERT INTO foo (bar) VALUES ('This is a test')");
$result = $db->query('SELECT bar FROM foo');
var_dump($result->fetchArray());
?>