SQLite3::querySingle

(PHP 5 >= 5.3.0, PHP 7)

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

Beschreibung

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

Executes a query and returns a single result.

Parameter-Liste

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.

Rückgabewerte

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.

Beispiele

Beispiel #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));
?>

Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:

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