quasi random (kaolinfire) wrote,
quasi random

cheap thrills

I don't know why, but adding notes to php.net is one of the biggest thrills for me, of late. I'm giving something back. I'm showing off. I'm putting myself up for rejection. So far, I'm just ignored. But I'm not giving up! First bit of code went up, well, if you were paying attention you saw it. I don't remember. Aha! Oct 17. I'm actually recording these things, now -- http://erif.org/code/php.php

Oops! I never posted about it, then. Silly me. Well, check out the link above if you want to see the other super-craziness =)

Today's code:

test for valid US phone number, and get it back formatted at the same time

  function getUSPhone($var) {
    // area code
    $US_PHONE_PREG ="/^(?:\+?1[\-\s]?)?(\(\d{3}\)|\d{3})[\-\s\.]?"; 
    // seven digits
    // any extension
    if (!preg_match($US_PHONE_PREG,$var,$match)) {
      return false;
    } else {
      $tmp = "+1 ";
      if (substr($match[1],0,1) == "(") {
      } else {
      $tmp.=" ".$match[2]."-".$match[3];
      if ($match[4] <> '') $tmp.=" x".$match[4];
      return $tmp;

  $phone = $_REQUEST["phone"];
  if (!($phone = getUSPhone($phone))) {
    //error gracefully :)

Tags: php, validation

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