- var_dump: documentation ( source)
- preg_match: documentation ( source)
<?php
$gorod = "Москва";
if( preg_match('/[Мм][Оо][Сс][Кк][Вв][Аа]/', $gorod, $matches, PREG_OFFSET_CAPTURE, 0) ) {
$dostavka = 1;
} else {
$dostavka = 0;
}
var_dump($dostavka);