Phone Number Format

phoneFormat.php

//strip all non-numeric characters.
//requires exactly 10 digits
//returns a hyphenated phone number

function formatPhone($number){
  $number = preg_replace("/[^0-9]/", "", $number);
		if (strlen($number) == 10){
			$area = substr($number, 0, 3);
			$part1 = substr($number, 3, 3);
			$part2 = substr($number, 6);
			return "$area-$part1-$part2";
		} else { 
		  return false; 
	  }
}