$minLength public property The minimum length for randomly generated
$offset public property The offset between characters. Defaults
$maxLength public property The maximum length for randomly generated
generateVerifyCode() protected method Generates a new
getVerifyCode() public method Gets the verification code
renderImage() protected method Renders the CAPTCHA image
validate() public method Validates the input to see if
$foreColor public property The font color. For example, 0x55FF00
generateValidationHash() public method Generates a hash
$verifyCode public read-only property The verification
Page 1 of 3