SQLite3::querySingle

(PHP 5 >= 5.3.0, PHP 7)

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

说锟斤拷

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

Executes a query and returns a single result.

锟斤拷锟斤拷

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.

锟斤拷锟斤拷值

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.

锟斤拷锟斤拷

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));
?>

锟斤拷锟斤拷锟斤拷锟教碉拷锟斤拷锟斤拷锟斤拷锟斤拷冢锟�

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