KCAPTCHA
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This class can be used to generate CAPTCHA validation images with the verification text rendered with distortion.
It generates a random text using a list of allowed characters.
The text is rendered as an image with several effects to distort the characters and make it more difficult to guess by automated programs.
The text is rendered with fonts defined as images in the PNG format. So it does not need any PHP special font engine library extensions.
The generated image is served as the current script output either in JPEG, GIF or PNG formats.
It generates a random text using a list of allowed characters.
The text is rendered as an image with several effects to distort the characters and make it more difficult to guess by automated programs.
The text is rendered with fonts defined as images in the PNG format. So it does not need any PHP special font engine library extensions.
The generated image is served as the current script output either in JPEG, GIF or PNG formats.
| Classes of Sergei Kruglov | > | KCAPTCHA | > | Download .zip .tar.gz | > |  Support forum (4) |
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| Trackback | Applications | Related links |  Files |
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Graphics | Colors, images, charts and picture formats | View top rated classes |
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Validation | Validation algorithms | View top rated classes |
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Security | Security protection and attack detection | View top rated classes |
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| Trackback links | ||
| Link | Description |
|---|---|
| Image authentication with PHP | ... |
| Kcaptcha | What is Kcaptcha... |
| Portable CAPTCHA (image authentication) | Image authentication script has been released for mobile phones... |
| Applications that use this class | ||
| Link | Description |
|---|---|
| HostCMS | Content Management System |
| RunCMS | Content Management System |
| Skillz | Content Management System |
If you know an application of this package, send a message to the author to add a link here.| Related links | ||
| Link | Description |
|---|---|
| Homepage | Project homepage |
| Homepage (Russian) | Project homepage |
| Demo | Online demo |
| Donate | Donate to the author |
| Files |
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| File | Role | Description | ||
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| fonts (23 files) |
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| util (1 file) |
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| kcaptcha.php |
Class | Main class | ||
| kcaptcha_config.php |
Conf. | Config | ||
| index.php |
Example | Using KCAPTCHA class | ||
| example.php |
Example | Form example | ||
| Files | / | fonts |
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| File | Role | Description |
|---|---|---|
| .htaccess |
Data | Deny HTTP access to fonts folder |
| antiqua.png |
Data | font |
| baskerville.png |
Data | font |
| batang.png |
Data | font |
| bookman.png |
Data | font |
| calisto.png |
Data | font |
| cambria.png |
Data | font |
| centaur.png |
Data | font |
| century.png |
Data | font |
| chaparral.png |
Data | font |
| constantia.png |
Data | font |
| footlight.png |
Data | font |
| garamond.png |
Data | font |
| georgia.png |
Data | font |
| goudy_old.png |
Data | font |
| kozuka.png |
Data | font |
| lucida.png |
Data | font |
| minion.png |
Data | font |
| palatino.png |
Data | font |
| perpetua.png |
Data | font |
| rockwell.png |
Data | font |
| times.png |
Data | font |
| warnock.png |
Data | font |
| Download all files: kcaptcha.tar.gz kcaptcha.zip |
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