SQLite3::backup
(PHP 7 >= 7.4.0)
SQLite3::backup — Backup one database to another database
Descrierea
$destination_db
, string $source_dbname = "main"
, string $destination_dbname = "main"
) : boolSQLite3::backup() copies the contents of one database into another, overwriting the contents of the destination database. It is useful either for creating backups of databases or for copying in-memory databases to or from persistent files.
Parametri
-
destination_db -
A database connection opened with SQLite3::open().
-
source_dbname -
The database name is
"main"for the main database,"temp"for the temporary database, or the name specified after theASkeyword in anATTACHstatement for an attached database. -
destination_dbname -
Analogous to
source_dbnamebut for thedestination_db.
Valorile întoarse
Întoarce valoarea true în cazul
succesului sau false în cazul eșecului.
Exemple
Example #1 Backup an existing database
<?php
// $conn is a connection to an already opened sqlite3 database
$backup = new SQLite3('backup.sqlite');
$conn->backup($backup);
?>
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