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<?php function ReformatPhoneNumber($number) { if(!preg_match('#^\d(\d[\? ]?){5,10}\d$#', $number)) { throw new Exception('Invalid phone number'); } return str_replace(array('-', ' '), '', $number); } $a = array('01234567', '-12345678', '01--23457', '111111112345', '111-111-339-1-1-0', '01110111-', '1237'); foreach($a as $b) { try{ var_dump(ReformatPhoneNumber($b)); } catch(Exception $e) {} }

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