Completely Automated Public Turing test to tell Computers and Humans Apart, using text in an image.
S | CheckWord |
Checks the specified user input to determine whether it is correct or not. |
S | ClearWord |
Clears the last word. |
S | GenerateImage |
Generates the CAPTCHA image, sends it to the browser and terminates the script execution. |
S | GetConfiguration |
Gets the CAPTCHA configuration array. |
S | GetWord |
Gets the word used in the last displayed image in this session. |
S | SetConfiguration |
Sets a new CAPTCHA configuration array. |
Class constructor |
Private constructor, does nothing but preventing an unwanted instantiation of this class. |
|
S | NormaliseWord |
Normalises a word, removes non-letters, converts to upper case. |
S | php_imageconvolution |
Compatibility function for GD libraries not bundled with PHP. |
Configuration array. Should always be retrieved through the GetConfiguration method.
Implementation file: captcha.class.php, line 12
© 2011 Yves Goergen. UNB Components Homepage. Reference generated on 2011-02-22.