Online PHP editor | refs for l6PpZ

<?php function normalize_phone($phone) { preg_match("/((?:\\d+[\\s\\-\$\$+]+){5,})/", $phone, $matches); $normalized_phone = preg_replace("/[^0-9]+/", "", $matches[1]); if (substr($normalized_phone, 0, 1) === "7") $normalized_phone = "8" . substr($normalized_phone, 1); elseif (substr($normalized_phone, 0, 1) === "9") $normalized_phone = "8" . $normalized_phone; return $normalized_phone; } echo normalize_phone("10 тел +7 (916) 297-67-97 Александр Мартынов 10");