AJAX CAPTCHA: Generate image for CAPTCHA validation
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This class can be use to generate image for CAPTCHA validation.
It can generate a random validation text with a given length and draw the text in an image obfuscated with random lines and ellipse shapes.
The generated text is stored in a session variable for posterior use in CAPTCHA code verification.
The class generates the validation image in JPEG format as the current script output. It also returns an HTML image tag to embed the image in a validation page.
It can generate a random validation text with a given length and draw the text in an image obfuscated with random lines and ellipse shapes.
The generated text is stored in a session variable for posterior use in CAPTCHA code verification.
The class generates the validation image in JPEG format as the current script output. It also returns an HTML image tag to embed the image in a validation page.
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| Files |
| File | Role | Description | ||
|---|---|---|---|---|
| class (1 file) |
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| scripts (4 files) |
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| check.php |
Example | processing file example | ||
| config.php |
Example | configuration file for captcha | ||
| index.php |
Example | test index files | ||
| readme.txt |
Doc. | Readme file | ||
| Files |
/ | scripts |
| File | Role | Description |
|---|---|---|
| check.js |
Data | ajax validation check for test page |
| jquery.form.js |
Data | jquery form script |
| jquery.js |
Data | jquery library file for jquery functionss |
| jquery.validate.js |
Data | jquery validation script |
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