sqlite_changes
SQLiteDatabase->changes
(PHP 5, PECL sqlite >= 1.0.0)
sqlite_changes -- SQLiteDatabase->changes — Returns the number of rows that were changed by the most recent SQL statement
说明
int sqlite_changes ( resource $dbhandle )Object oriented style (method):
int SQLiteDatabase::changes ( void )Returns the numbers of rows that were changed by the most recent SQL statement executed against the dbhandle database handle.
参数
- dbhandle
-
The SQLite Database resource; returned from sqlite_open() when used procedurally. This parameter is not required when using the object-oriented method.
返回值
Returns the number of changed rows.
范例
Example #1 Procedural style
<?php
$dbhandle = sqlite_open('mysqlitedb');
$query = sqlite_query($dbhandle, "UPDATE users SET email='jDoe@example.com' WHERE username='jDoe'");
if (!$query) {
exit('Error in query.');
} else {
echo 'Number of rows modified: ', sqlite_changes($dbhandle);
}
?>
Example #2 Object oriented style
<?php
$dbhandle = new SQLiteDatabase('mysqlitedb');
$query = $dbhandle->query("UPDATE users SET email='jDoe@example.com' WHERE username='jDoe'");
if (!$query) {
exit('Error in query.');
} else {
echo 'Number of rows modified: ', $dbhandle->changes();
}
?>
参见
- sqlite_open() - Opens an SQLite database and create the database if it does not exist
