<?php function checkOGRN($ogrn){ $verify_num = intval(substr($ogrn, 0, 12)); $check_num = intval(substr($ogrn, -1)); $res_num = $verify_num % 11; if ($res_num > 9) $res_num - round($res_num/10)*10; return ($result == $check); } print_r(checkOGRN('311333426300044'));
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