Bluz\Db\Db::fetchOne
Return first field from first element from the result set
Example of usage <code> $db->fetchOne("SELECT COUNT(*) FROM users"); </code>
Signature
public function fetchOne(string
$sql,
[array
$params = ] )
Parameters
$sql
— string- SQL query with placeholders
"SELECT * FROM users WHERE name = :name AND pass = :pass" $params
— array- params for query placeholders (optional)
array (':name' => 'John', ':pass' => '123456')
Returns
- string