관리-도구

편집 파일: class-formval.php

<?php
/*************************************************************************
**********       Pinion Media :: Form Validation Class      **************
**********           Updated 080301 | Version 1.3           **************
**********                                                  **************
**************************************************************************/

include_once("constants.php"); //Only needed for the NOW date variable

class formval {

}

function CCVal($Num, $Name = 'n/a') {

$GoodCard = true; // Innocent until proven guilty

$Num = ereg_replace("[^[:digit:]]", "", $Num); // Get rid of any non-digits

// Perform card-specific checks, if applicable
    switch ($Name) {
	
    case "mcd" :
      $GoodCard = ereg("^5[1-5].{14}$", $Num);
      break;

case "vis" :
      $GoodCard = ereg("^4.{15}$|^4.{12}$", $Num);
      break;

case "amx" :
      $GoodCard = ereg("^3[47].{13}$", $Num);
      break;

case "dsc" :
      $GoodCard = ereg("^6011.{12}$", $Num);
      break;

case "dnc" :
      $GoodCard = ereg("^30[0-5].{11}$|^3[68].{12}$", $Num);
      break;

case "jcb" :
      $GoodCard = ereg("^3.{15}$|^2131|1800.{11}$", $Num);
      break;
    }

//  The Luhn formula works right to left, so reverse the number.
    $Num = strrev($Num);

$Total = 0;

for ($x=0; $x<strlen($Num); $x++) {
		$digit = substr($Num,$x,1); 
		// If it's an odd digit, double it
		if ($x/2 != floor($x/2)) {
			$digit *= 2;

// If the result is two digits, add them
        	if (strlen($digit) == 2) {
         		$digit = substr($digit,0,1) + substr($digit,1,1);
			}
      	}
		// Add the current digit, doubled and added if applicable, to the Total
		$Total += $digit;
	}

//  If it passed (or bypassed) the card-specific check and the Total is
	//  evenly divisible by 10, it's cool!
	if ($GoodCard && $Total % 10 == 0) {
	
		return true; 
		
	}else{ 
	
		return false;
		
	}
}
  
function issue_token(){
	// Create Token for Honey Pot (session)
	$token_strg = 'blAdeBla';
	$token_rand = rand(0, 10000);
	$token_exp_date = NOW + 900; // add 15min (if they can't process the form in that time, the session will end anyway) // date('ymdH', NOW);
	$token_info = array( 'token_code' => $token_rand, 'token_strg' => $token_strg, 'token_exp_date' => $token_exp_date );
	$form_token = base64_encode(serialize($token_info));
	
	return $form_token;
}
  
} // End of Class
?>