Captcha Generator

Simple Captcha Generator

Click here to download all files

Based from readme.txt
class DF_Captcha for one simple captcha
License : GPL

This is a class for a one captcha!
You can tell me: "Oneother captcha script?"
I saw you: "This is more simple!"

NB: this class 4 work need arialbd.ttf; if you hate it, you can change with what you want.
But remenber you must change the param text_font;

This class give you a simple captcha, without the need to save the image on your server!
You can have a captcha in only 3 instruction:

#define a new instancies of class => you can define a new class without arg
1: $c = new DF_Captcha(372, 60, "fff");

#es: new DF_Captcha(); => there is default arg
2: $c->drawImage(); #draw your image => you have your captcha ready

3: $code = $c->getCode(); #there is your code for verification

Just simple! What do you want yet?
What? You want to set the length of the code?
You can do it!

#replace 7 with the number you want to set your length code
$c->setLenCode(7);

You can modify this parameters of your choise
You must do only this:

$c->format = $param;

#format of the image; are supported only png or jpeg because use of this captcha is prevalently 4 the web
public $format = "png";

#distortion image with square - this is because so bot are more difficult see the image and the letter over the image
public $noise_square = 1;

#distortion image with little line - this is because so bot are more difficult see the image and the letter over the image
public $noise_granular = 1;

#font with text is writed - for change this you must put ttf in dir with the class
public $text_font = "sans.ttf";

#this is not modifible
public $text_font_size;

#0 text color black - 1(default) text color random
public $text_color_mode = 1;

#1 fix dimension - 0.7 dimension between 70&100% ...
public $text_size_mode = 0.8;

#0 no rotation - 10 rotation between -10°&+10° - 20 -20°&+20° ...
public $text_rotation_mode = 10;

That's all!
If the class is OK 4 you, please vote it on phpclasses.org!

14.06.2008. 19:33

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