Public Member Functions
	getImgAlt ()

	getStartImage ()

	getDotNoiseLevel ()

	getLineNoiseLevel ()

	getExpiration ()
	Get captcha expiration.

	getGcFreq ()
	Get garbage collection frequency.

	getFont ()
	Get font to use when generating captcha.

	getFontSize ()
	Get font size.

	getHeight ()
	Get captcha image height.

	getImgDir ()
	Get captcha image directory.

	getImgUrl ()
	Get captcha image base URL.

	getSuffix ()
	Get captcha image file suffix.

	getWidth ()
	Get captcha image width.

	setStartImage ($startImage)

	setDotNoiseLevel ($dotNoiseLevel)

	setLineNoiseLevel ($lineNoiseLevel)

	setExpiration ($expiration)
	Set captcha expiration.

	setGcFreq ($gcFreq)
	Set garbage collection frequency.

	setFont ($font)
	Set captcha font.

	setFontSize ($fsize)
	Set captcha font size.

	setHeight ($height)
	Set captcha image height.

	setImgDir ($imgDir)
	Set captcha image storage directory.

	setImgUrl ($imgUrl)
	Set captcha image base URL.

	setImgAlt ($imgAlt)

	setSuffix ($suffix)
	Set captch image filename suffix.

	setWidth ($width)
	Set captcha image width.

	generate ()
	Generate captcha.

	render (Zend_View_Interface $view=null, $element=null)
	Display the captcha.

Public Member Functions inherited from Zend_Captcha_Word
	getSessionClass ()
	Retrieve session class to utilize.

	setSessionClass ($_sessionClass)
	Set session class for persistence.

	getWordlen ()
	Retrieve word length to use when genrating captcha.

	setWordlen ($wordlen)
	Set word length of captcha.

	getId ()
	Retrieve captcha ID.

	setTimeout ($ttl)
	Set timeout for session token.

	getTimeout ()
	Get session token timeout.

	setKeepSession ($keepSession)
	Sets if session should be preserved on generate()

	getUseNumbers ()
	Numbers should be included in the pattern?

	setUseNumbers ($_useNumbers)
	Set if numbers should be included in the pattern.

	getSession ()
	Get session object.

	setSession (Zend_Session_Namespace $session)
	Set session namespace object.

	getWord ()
	Get captcha word.

	generate ()
	Generate new session ID and new word.

	isValid ($value, $context=null)
	Validate the word.

	getDecorator ()
	Get captcha decorator.

Public Member Functions inherited from Zend_Captcha_Base
	getName ()
	Get name.

	setName ($name)
	Set name.

	__construct ($options=null)
	Constructor.

	setOption ($key, $value)
	Set single option for the object.

	setOptions ($options=null)
	Set object state from options array.

	getOptions ()
	Retrieve options representing object state.

	setConfig (Zend_Config $config)
	Set object state from config object.

	getDecorator ()
	Get optional decorator.

Public Member Functions inherited from Zend_Validate_Abstract
	getMessages ()
	Returns array of validation failure messages.

	getMessageVariables ()
	Returns an array of the names of variables that are used in constructing validation failure messages.

	getMessageTemplates ()
	Returns the message templates from the validator.

	setMessage ($messageString, $messageKey=null)
	Sets the validation failure message template for a particular key.

	setMessages (array $messages)
	Sets validation failure message templates given as an array, where the array keys are the message keys, and the array values are the message template strings.

	__get ($property)
	Magic function returns the value of the requested property, if and only if it is the value or a message variable.

	getErrors ()
	Returns array of validation failure message codes.

	setObscureValue ($flag)
	Set flag indicating whether or not value should be obfuscated in messages.

	getObscureValue ()
	Retrieve flag indicating whether or not value should be obfuscated in messages.

	setTranslator ($translator=null)
	Set translation object.

	getTranslator ()
	Return translation object.

	hasTranslator ()
	Does this validator have its own specific translator?

	setDisableTranslator ($flag)
	Indicate whether or not translation should be disabled.

	translatorIsDisabled ()
	Is translation disabled?

Public Member Functions inherited from Zend_Validate_Interface
	isValid ($value)
	Returns true if and only if $value meets the validation requirements.

Protected Member Functions
	_randomFreq ()
	Generate random frequency.

	_randomPhase ()
	Generate random phase.

	_randomSize ()
	Generate random character size.

	_generateImage ($id, $word)
	Generate image captcha.

	_gc ()
	Remove old files from image directory.

Protected Member Functions inherited from Zend_Captcha_Word
	_setId ($id)
	Set captcha identifier.

	_setWord ($word)
	Set captcha word.

	_generateWord ()
	Generate new random word.

	_generateRandomId ()

Protected Attributes
	$_imgDir = "./images/captcha/"

	$_imgUrl = "/images/captcha/"

	$_imgAlt = ""

	$_suffix = ".png"

	$_width = 200

	$_height = 50

	$_fsize = 24

	$_font

	$_startImage

	$_gcFreq = 10

	$_expiration = 600

	$_dotNoiseLevel = 100

	$_lineNoiseLevel = 5

Protected Attributes inherited from Zend_Captcha_Word
	$_id

	$_word

	$_session

	$_sessionClass = 'Zend_Session_Namespace'

	$_useNumbers = true

	$_timeout = 300

	$_keepSession = false

	$_messageTemplates

	$_wordlen = 8

Protected Attributes inherited from Zend_Captcha_Base
	$_name

	$_options = array()

	$_skipOptions

Protected Attributes inherited from Zend_Validate_Abstract
	$_value

	$_messageVariables = array()

	$_messageTemplates = array()

	$_messages = array()

	$_obscureValue = false

	$_errors = array()

	$_translator

	$_translatorDisabled = false

Additional Inherited Members
Static Public Member Functions inherited from Zend_Validate_Abstract
static	setDefaultTranslator ($translator=null)
	Set default translation object for all validate objects.

static	getDefaultTranslator ()
	Get default translation object for all validate objects.

static	hasDefaultTranslator ()
	Is there a default translation object set?

static	getMessageLength ()
	Returns the maximum allowed message length.

static	setMessageLength ($length=-1)
	Sets the maximum allowed message length.

Public Attributes inherited from Zend_Captcha_Word
const	MISSING_VALUE = 'missingValue'
	#@+ Error codes

const	MISSING_ID = 'missingID'

const	BAD_CAPTCHA = 'badCaptcha'

Static Public Attributes inherited from Zend_Captcha_Word
static	$V = array("a", "e", "i", "o", "u", "y")

static	$VN = array("a", "e", "i", "o", "u", "y","2","3","4","5","6","7","8","9")

static	$C = array("b","c","d","f","g","h","j","k","m","n","p","q","r","s","t","u","v","w","x","z")

static	$CN = array("b","c","d","f","g","h","j","k","m","n","p","q","r","s","t","u","v","w","x","z","2","3","4","5","6","7","8","9")

Static Protected Attributes inherited from Zend_Validate_Abstract
static	$_defaultTranslator

static	$_messageLength = -1

Member Function Documentation

_gc ( )

protected

Remove old files from image directory.

_generateImage	(	$id,
		$word
	)

protected

Generate image captcha.

Override this function if you want different image generator Wave transform from http://www.captcha.ru/captchas/multiwave/

Parameters

string	$id	Captcha ID
string	$word	Captcha word

_randomFreq ( )

protected

Generate random frequency.

Returns: float

_randomPhase ( )

protected

Generate random phase.

Returns: float

_randomSize ( )

protected

Generate random character size.

Returns: int

generate ( )

Generate captcha.

Returns: string captcha ID

Implements Zend_Captcha_Adapter.

getDotNoiseLevel ( )

Returns: int

getExpiration ( )

Get captcha expiration.

Returns: int

getFont ( )

Get font to use when generating captcha.

Returns: string

getFontSize ( )

Get font size.

Returns: int

getGcFreq ( )

Get garbage collection frequency.

Returns: int

getHeight ( )

Get captcha image height.

Returns: int

getImgAlt ( )

Returns: string

getImgDir ( )

Get captcha image directory.

Returns: string

getImgUrl ( )

Get captcha image base URL.

Returns: string

getLineNoiseLevel ( )

Returns: int

getStartImage ( )

Returns: string

getSuffix ( )

Get captcha image file suffix.

Returns: string

getWidth ( )

Get captcha image width.

Returns: int

render	(	Zend_View_Interface	$view = `null`,
			$element = `null`
	)

Display the captcha.

Parameters

Zend_View_Interface	$view
mixed	$element

Returns: string

Implements Zend_Captcha_Adapter.

setDotNoiseLevel ( $dotNoiseLevel )

Parameters

int $dotNoiseLevel

setExpiration ( $expiration )

Set captcha expiration.

Parameters

int $expiration

Returns: Zend_Captcha_Image

setFont ( $font )

Set captcha font.

Parameters

string $font

Returns: Zend_Captcha_Image

setFontSize ( $fsize )

Set captcha font size.

Parameters

int $fsize

Returns: Zend_Captcha_Image

setGcFreq ( $gcFreq )

Set garbage collection frequency.

Parameters

int $gcFreq

Returns: Zend_Captcha_Image

setHeight ( $height )

Set captcha image height.

Parameters

int $height

Returns: Zend_Captcha_Image

setImgAlt ( $imgAlt )

Parameters

string $imgAlt

setImgDir ( $imgDir )

Set captcha image storage directory.

Parameters

string $imgDir

Returns: Zend_Captcha_Image

setImgUrl ( $imgUrl )

Set captcha image base URL.

Parameters

string $imgUrl

Returns: Zend_Captcha_Image

setLineNoiseLevel ( $lineNoiseLevel )

Parameters

int $lineNoiseLevel

setStartImage ( $startImage )

Parameters

string $startImage

setSuffix ( $suffix )

Set captch image filename suffix.

Parameters

string $suffix

Returns: Zend_Captcha_Image

setWidth ( $width )

Set captcha image width.

Parameters

int $width

Returns: Zend_Captcha_Image

Member Data Documentation

$_dotNoiseLevel = 100

protected

$_expiration = 600

protected

$_font

protected

$_fsize = 24

protected

$_gcFreq = 10

protected

$_height = 50

protected

$_imgAlt = ""

protected

$_imgDir = "./images/captcha/"

protected

$_imgUrl = "/images/captcha/"

protected

$_lineNoiseLevel = 5

protected

$_startImage

protected

$_suffix = ".png"

protected

$_width = 200

protected

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Member Function Documentation

Member Data Documentation