Executes a query and returns a single result


(PHP 5 >= 5.3.0)

SQLite3::querySingleExecutes a query and returns a single result

Описание

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

Executes a query and returns a single result.

Список параметров

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.

Возвращаемые значения

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.

Примеры

Пример #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));
?>

Результатом выполнения данного примера будет что-то подобное:

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