SQLite3::querySingle

(PHP 5 >= 5.3.0)

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

说明

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

Executes a query and returns a single result.

参数

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.

返回值

Returns the value of the first column of results or an array of the entire first row (if entire_row is TRUE), otherwise FALSE on failure.

范例

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));
?>

上例的输出类似于：

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