sqlite_factory

(PHP 5 < 5.4.0)

sqlite_factory — Opens an SQLite database and returns an SQLiteDatabase object

说明

sqlite_factory ( string $filename [, int $mode = 0666 [, string &$error_message ]] ) : SQLiteDatabase

sqlite_factory() behaves similarly to sqlite_open() in that it opens an SQLite database or attempts to create it if it does not exist. However, a SQLiteDatabase object is returned rather than a resource. Please see the sqlite_open() reference page for further usage and caveats.

参数

filename: The filename of the SQLite database.
mode: The mode of the file. Intended to be used to open the database in read-only mode. Presently, this parameter is ignored by the sqlite library. The default value for mode is the octal value 0666 and this is the recommended value.
error_message: Passed by reference and is set to hold a descriptive error message explaining why the database could not be opened if there was an error.

返回值

Returns an SQLiteDatabase object on success, NULL on error.

范例

Example #1 sqlite_factory() example


<?php
$dbhandle = sqlite_factory('sqlitedb');
$dbhandle->query('SELECT user_id, username FROM users');

/* functionally equivalent to: */

$dbhandle = new SQLiteDatabase('sqlitedb');
$dbhandle->query('SELECT user_id, username FROM users');

?>

参见

sqlite_open() - Opens an SQLite database and create the database if it does not exist
sqlite_popen() - Opens a persistent handle to an SQLite database and create the database if it does not exist

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官方地址：https://www.php.net/manual/en/function.sqlite-factory.php

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sqlite_factory

说明

参数

返回值

范例

参见

User Contributed Notes