include/std_functions.php

   1 <?php
   2
   3 function todays_date() {
   4         $today = date("m/d/Y");
   5         return $today;
   6 }
   7
   8 function check_date($date) {
   9   if (eregi('^.[0-9]{1,2}/.[0-9]{1,2}/.[0-9]{1,2}.[0-9]{1,2}', $date)) {
  10     return true;
  11   } else {
  12     return false;
  13   }
  14 }
  15
  16 function check_phone($phonenumber,$useareacode=true)
  17 {
  18 if ( preg_match("/^[ ]*[(]{0,1}[ ]*[0-9]{3,3}[ ]*[)]{0,1}[-]{0,1}[ ]*[0-9]{3,3}[ ]*[-]{0,1}[ ]*[0-9]{4,4}[ ]*$/",$phonenumber) || (preg_match("/^[ ]*[0-9]{3,3}[ ]*[-]{0,1}[ ]*[0-9]{4,4}[ ]*$/",$phonenumber) && !$useareacode)) return eregi_replace("[^0-9]", "", $phonenumber);
  19 return false;
  20 }
  21
  22 function check_email_address($email) {
  23   // First, we check that there's one @ symbol, and that the lengths are right
  24   if (!ereg("^[^@]{1,64}@[^@]{1,255}$", $email)) {
  25   // Email invalid because wrong number of characters in one section, or wrong number of @ symbols.
  26   return false;
  27   }
  28   // Split it into sections to make life easier
  29   $email_array = explode("@", $email);
  30   $local_array = explode(".", $email_array[0]);
  31   for ($i = 0; $i < sizeof($local_array); $i++) {
  32     if (!ereg("^(([A-Za-z0-9!#$%&'*+/=?^_`{|}~-][A-Za-z0-9!#$%&'*+/=?^_`{|}~\.-]{0,63})|(\"[^(\\|\")]{0,62}\"))$", $local_array[$i])) { //"
  33       return false;
  34     }
  35   }
  36   if (!ereg("^\[?[0-9\.]+\]?$", $email_array[1])) { // Check if domain is IP. If not, it should be valid domain name
  37     $domain_array = explode(".", $email_array[1]);
  38     if (sizeof($domain_array) < 2) {
  39       return false; // Not enough parts to domain
  40     }
  41         for ($i = 0; $i < sizeof($domain_array); $i++) {
  42                 if (!ereg("^(([A-Za-z0-9][A-Za-z0-9-]{0,61}[A-Za-z0-9])|([A-Za-z0-9]+))$", $domain_array[$i])) {
  43                 return false;
  44                 }
  45         }
  46   }
  47   return true;
  48 }
  49
  50 ?>