Zend_Validate_Ccnum Class Reference

Inheritance diagram for Zend_Validate_Ccnum:

Public Member Functions
	__construct ()
	isValid ($value)
Public Member Functions inherited from Zend_Validate_Abstract
	getMessages ()
	getMessageVariables ()
	getMessageTemplates ()
	setMessage ($messageString, $messageKey=null)
	setMessages (array $messages)
	__get ($property)
	getErrors ()
	setObscureValue ($flag)
	getObscureValue ()
	setTranslator ($translator=null)
	getTranslator ()
	hasTranslator ()
	setDisableTranslator ($flag)
	translatorIsDisabled ()

Data Fields
const	LENGTH = 'ccnumLength'
const	CHECKSUM = 'ccnumChecksum'

Protected Attributes
	$_messageTemplates
Protected Attributes inherited from Zend_Validate_Abstract
	$_value
	$_messageVariables = array()
	$_messageTemplates = array()
	$_messages = array()
	$_obscureValue = false
	$_errors = array()
	$_translator
	$_translatorDisabled = false

Static Protected Attributes
static	$_filter = null
Static Protected Attributes inherited from Zend_Validate_Abstract
static	$_defaultTranslator
static	$_messageLength = -1

Additional Inherited Members
Static Public Member Functions inherited from Zend_Validate_Abstract
static	setDefaultTranslator ($translator=null)
static	getDefaultTranslator ()
static	hasDefaultTranslator ()
static	getMessageLength ()
static	setMessageLength ($length=-1)
Protected Member Functions inherited from Zend_Validate_Abstract
	_createMessage ($messageKey, $value)
	_implodeRecursive (array $pieces)
	_error ($messageKey, $value=null)
	_setValue ($value)

Detailed Description

Definition at line 33 of file Ccnum.php.

Constructor & Destructor Documentation

__construct()

__construct

(

)

Definition at line 62 of file Ccnum.php.

    {
        trigger_error('Using the Ccnum validator is deprecated in favor of the CreditCard validator');
    }

Member Function Documentation

isValid()

isValid

(

$value

)

Defined by Zend_Validate_Interface

Returns true if and only if $value follows the Luhn algorithm (mod-10 checksum)

Parameters

string

$value

Returns

boolean

See also

Zend_Filter_Digits

Implements Zend_Validate_Interface.

Definition at line 75 of file Ccnum.php.

    {
        $this->_setValue($value);

        if (null === self::$_filter) {
            #require_once 'Zend/Filter/Digits.php';
            self::$_filter = new Zend_Filter_Digits();
        }

        $valueFiltered = self::$_filter->filter($value);

        $length = strlen($valueFiltered);

        if ($length < 13 || $length > 19) {
            $this->_error(self::LENGTH);
            return false;
        }

        $sum    = 0;
        $weight = 2;

        for ($i = $length - 2; $i >= 0; $i--) {
            $digit = $weight * $valueFiltered[$i];
            $sum += floor($digit / 10) + $digit % 10;
            $weight = $weight % 2 + 1;
        }

        if ((10 - $sum % 10) % 10 != $valueFiltered[$length - 1]) {
            $this->_error(self::CHECKSUM, $valueFiltered);
            return false;
        }

        return true;
    }

Field Documentation

$_filter

$_filter = null

staticprotected

Definition at line 50 of file Ccnum.php.

$_messageTemplates

$_messageTemplates

protected

Initial value:

= array(
        self::LENGTH   => "'%value%' must contain between 13 and 19 digits",
        self::CHECKSUM => "Luhn algorithm (mod-10 checksum) failed on '%value%'"
    )

Definition at line 57 of file Ccnum.php.

CHECKSUM

const CHECKSUM = 'ccnumChecksum'

Validation failure message key for when the value fails the mod-10 checksum

Definition at line 43 of file Ccnum.php.

LENGTH

const LENGTH = 'ccnumLength'

Validation failure message key for when the value is not of valid length

Definition at line 38 of file Ccnum.php.

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The documentation for this class was generated from the following file:

• vendor/magento/zendframework1/library/Zend/Validate/Ccnum.php