Class: Custom CAPTCHA
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| Detailed description | ||
| This class can be used to display images for CAPTCHA validation. It can display an image with a random text that the user needs to read and enter in a form to authorize the access to resources to real human users. The text is rendered over a given obfuscation image. The length, font and size of the text is configurable. The validation text is stored in a session variable for posterior validation. The validation image format can be either GIF, JPEG or PNG. |
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PHP 5 | Classes using PHP 5 specific features | View top rated classes |
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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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