oxCaptcha Class Reference

Inheritance diagram for oxCaptcha:

Collaboration diagram for oxCaptcha:

List of all members.

Public Member Functions
	getText ()
	getHash ($sText=null)
	getTextHash ($sText)
	getImageUrl ()
	isImageVisible ()
	pass ($sMac, $sMacHash)
Protected Member Functions
	_passFromSession ($sMacHash, $sHash, $iTime)
	_passFromDb ($iMacHash, $sHash, $iTime)
Protected Attributes
	$_iMacLength = 5
	$_sText = null
	$_iTimeout = 300
Private Attributes
	$_sMacChars = 'abcdefghijkmnpqrstuvwxyz23456789'

---

Detailed Description

Class handling CAPTCHA image This class requires utility file utils/verificationimg.php as image generator

Definition at line 8 of file oxcaptcha.php.

---

Member Function Documentation

oxCaptcha._passFromDb	(	$	iMacHash,
		$	sHash,
		$	iTime
	)			[protected]

Checks for DB captcha hash validity

Parameters:

	int	$iMacHash hash key
	string	$sHash captcha hash
	int	$iTime check time

Returns:

bool

Definition at line 162 of file oxcaptcha.php.

oxCaptcha._passFromSession	(	$	sMacHash,
		$	sHash,
		$	iTime
	)			[protected]

Checks for session captcha hash validity

Parameters:

	string	$sMacHash hash key
	string	$sHash captcha hash
	int	$iTime check time

Returns:

bool

Definition at line 136 of file oxcaptcha.php.

oxCaptcha.getHash

(

$

sText = null

)

Returns text hash

Parameters:

string

$sText User supplie text

Returns:

string

Definition at line 63 of file oxcaptcha.php.

oxCaptcha.getImageUrl

(

)

Returns url to CAPTCHA image generator.

Returns:

string

Definition at line 109 of file oxcaptcha.php.

oxCaptcha.getText

(

)

Returns text

Returns:

string

Definition at line 44 of file oxcaptcha.php.

oxCaptcha.getTextHash

(

$

sText

)

Returns given string captcha hash

Parameters:

string

$sText string to hash

Returns:

string

Definition at line 93 of file oxcaptcha.php.

oxCaptcha.isImageVisible

(

)

Checks if image could be generated

Returns:

bool

Definition at line 122 of file oxcaptcha.php.

oxCaptcha.pass	(	$	sMac,
		$	sMacHash
	)

Verifies captcha input vs supplied hash. Returns true on success.

Parameters:

	string	$sMac User supplied text
	string	$sMacHash Generated hash

Returns:

bool

Definition at line 189 of file oxcaptcha.php.

---

Member Data Documentation

oxCaptcha.$_iMacLength = 5 [protected]

Definition at line 16 of file oxcaptcha.php.

oxCaptcha.$_iTimeout = 300 [protected]

Definition at line 37 of file oxcaptcha.php.

oxCaptcha.$_sMacChars = 'abcdefghijkmnpqrstuvwxyz23456789' [private]

Definition at line 30 of file oxcaptcha.php.

oxCaptcha.$_sText = null [protected]

Definition at line 23 of file oxcaptcha.php.

---

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

• core/oxcaptcha.php