new msqli(?,?,?,?) - new msqli(hostname,user,password,databse)-Функция connect() / mysqli_connect() открывает новое соединение с сервером MySQL.
<?php
$mysqli = new mysqli("localhost","my_user","my_password","my_db");
// Check connection
if ($mysqli -> connect_errno) {
echo "Failed to connect to MySQL: " . $mysqli -> connect_error;
exit();
}
?>1
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