<code lang="PHP">

	// Format phone number
	function formatPhoneNumber($strPhone)
	{
		$strPhone = ereg_replace("[^0-9]",'', $strPhone);
		if (strlen($strPhone) != 10) 
		{
			return $strPhone;
		}
		
		$strArea = substr($strPhone, 0, 3);
		$strPrefix = substr($strPhone, 3, 3);
		$strNumber = substr($strPhone, 6, 4);
		
		$strPhone = "(".$strArea.") ".$strPrefix."-".$strNumber;
		
		return ($strPhone);
	}
	
</code>