SecurityImage
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This class can be used to generate images for CAPTCHA validation.
It creates a random text with a limited length of letters and digits and renders it in an image using one of several possible TrueType fonts.
Several background images may be used randomly to obfuscate the text.
The class also renders random circles to also obfuscate the text.
The image is generated in PNG format as the current script output.
It creates a random text with a limited length of letters and digits and renders it in an image using one of several possible TrueType fonts.
Several background images may be used randomly to obfuscate the text.
The class also renders random circles to also obfuscate the text.
The image is generated in PNG format as the current script output.
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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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| Applications that use this class | ||
No application links were specified for this class.
If you know an application of this package, send a message to the author to add a link here.| Files |
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| File | Role | Description |
|---|---|---|
| exampleForm.php |
Example | An example usage form |
| ProcessForm.php |
Example | an example of processing the form |
| readme.txt |
Doc. | readmefile |
| SecurityImage.php |
Class | CAPTCHA implementation class |
| Download all files: andrewsecurityimage.tar.gz andrewsecurityimage.zip |
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