(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SQLite3::querySingle — Executes a query and returns a single result
Executes a query and returns a single result.
queryThe SQL query to execute.
entireRow
By default, querySingle() returns the value of the
first column returned by the query. If
entireRow 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 entireRow is true).
If the query is valid but no results are returned, then null will be
returned if entireRow is false, otherwise an
empty array is returned.
Invalid or failing queries will return false.
示例 #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));
?>以上示例的输出类似于：
string(5) "Scott"
Array
(
[username] => Scott
[email] => scott@example.com
)