SQLite3::querySingle

(PHP 5 >= 5.3.0, PHP 7)

SQLite3::querySingle — Executes a query and returns a single result

˵��

public SQLite3::querySingle ( string $query [, bool $entire_row = FALSE ] ) : mixed

Executes a query and returns a single result.

����

query

The SQL query to execute.

entire_row

By default, querySingle() returns the value of the first column returned by the query. If entire_row is TRUE, then it returns an array of the entire first row.

����ֵ

Returns the value of the first column of results or an array of the entire first row (if entire_row is TRUE).

If the query is valid but no results are returned, then NULL will be returned if entire_row is FALSE, otherwise an empty array is returned.

Invalid or failing queries will return FALSE.

����

Example #1 SQLite3::querySingle() example

<?php
$db = new SQLite3('mysqlitedb.db');

var_dump($db->querySingle('SELECT username FROM user WHERE userid=1'));
print_r($db->querySingle('SELECT username, email FROM user WHERE userid=1', true));
?>

�������̵���������ڣ�

string(5) "Scott"
Array
(
    [username] => Scott
    [email] => scott@example.com
)