HomebulletScriptsbulletTag: captcha (89 results)
  1. No Screenshot
    2475 total visits
    Easy to install captcha system to keep bots from making false submissions to your web forms. Requires PHP. PHP Captcha System is customizable in the following ways:- Choose Font Size.- Choose Colors.- Choose # of characters in string.- Choose character set (numbers, letters, uppercase, lowercase).- Very customizable backgrounds.
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    2102 total visits
    Mollom for PHP provides ways to protect website content and website forms from spam on the web. Usage of Mollom for PHP:- Download package.- Unzip package.- Install package following the instructions in the readme file.- Create account on Mollom.- Activate website key on Mollom. Key Features of Mollom for PHP:- Get rid of spam - Mollom helps keep a website ...
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    1886 total visits
    Custom CAPTCHA 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.A session variable is used to store the validation text for ...
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    1983 total visits
    SecurityImage 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. Random background images can be used to obfuscate the CAPTCHA text. SecurityImage also renders random circles to also obfuscate the text. The image is generated in PNG format as the current script output.Requirements: PHP ...
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    1810 total visits
    The first class generates a random text within HTML formatting tags. It may return an MD5 or SHA1 hash of the generated text. A mathematical operation between two random values is generated by the second class. It may also return an MD5 or SHA1 of the operation result.The results of both classes can be used to implement CAPTCHA validation by ...
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    1536 total visits
    Random keys stored in a database are used for posterior verification.
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    1623 total visits
    Color CAPTCHA generates an image with a given text to be used in the CAPTCHA validation. If it exceeds a specified limit, the rendered text can be clipped.The foreground and background image colors are configurable. The image is generated in the PNG format and is served as the current script output.Requirements: PHP 3.0 or higher
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    2078 total visits
    captchaCOLA generates a CAPTCHA validation text from a random set of characters that can be made of letters, digits or both. The validation text is stored in a session variable for posterior validation.A CAPTCHA validation image is rendered from pictogram graphics, which are associated to each of the validation text characters.The pictogram graphics are retrieved from image files stored in ...
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    1822 total visits
    Simple CAPTCHA Class generates an image with a text string made of random letters. The text in the image is obfuscated with lines and shapes drawn in many different colors.The resulting image gets served in PNG format as the current script output.Requirements: PHP 4.0 or higher
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    1666 total visits
    Math CAPTCHA Class can generate an image that displays a simple mathematical operation between two random integer numbers.Additions, subtraction and multiplication operations are supported. The user needs to enter the result of the math operation to pass the validation.Math CAPTCHA Class stores the validation numbers in session variables for later verification.Requirements: PHP 5.0 or higher
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    2043 total visits
    Security Image displays a form with a text input to let the user enter the displayed characters to be verified.Several parameters such as the verification text length, size and color, as well as the background, can be configured.
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    1790 total visits
    JSCaptcha generates a validation text, who's half in a dynamically presented and the other half is displayed by Javascript code generated by the class.The random validation text is stored in a session variable so that JSCaptcha can be used for validating the user input.Requirements: PHP 4.0 or higher
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    1657 total visits
    Make Captcha generates an image of a given size with a random text string rendered on the image.The MD5 hash of the random text string is stored in a session variable for later verification. The color, text font and size can be configured.The image is generated in the PNG format as output of the current script.Requirements: PHP 4.1 or higher
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    1859 total visits
    Very Simple Captcha generates an image with a random validation text. The image has some lines and shapes rendered in a different color to obfuscate the text.The width and height of the image, and the length and the font of the text are configurable details. The generated image is served in the JPEG format as the active script output.Requirements: PHP ...
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    1821 total visits
    iCaptcha presents several images and asks the user to answer a question related to the pictures. Only one picture is the right answers. The user has to pick the right picture to pass the validation.iCaptcha presents the question and pictures in a form with radio buttons associated to each picture to let the user pick the right picture that answers ...
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