<?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)
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Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).