Securimage

It is used for generating complex images and CAPTCHA codes to protect forms from spam, bots and abuse.

It can be easily added into existing forms on a website to provide protection from spam bots.

It can run on most any webserver as long as it has PHP installed, and GD support within PHP.

Securimage does everything from generate complicated CAPTCHA images to making sure the code the user entered was correct.

What is new in this release:

• Fix copyElement bug in securimage.js for IE Flash fallback.

What is new in version 3.5.4:

• Fixed email validation code in example form files.
• Fixed backslashes in getCaptchaHtml for img attribute on Windows systems.

What is new in version 3.5.3:

• Added options for audio button to getCaptchaHtml(), fix urlencoding of flash parameters that was breaking button.

What is new in version 3.5.2:

• Added Securimage::getCaptchaHtml() for getting automatically generated captcha html code
• Option for using SoX to add effects to captcha audio to make identification by neural networks more difficult
• Added setNamespace() method
• Added getTimeToSolve() method
• Added session_status() check so session still starts if one had previously been opened and closed
• Added .htaccess file to audio directory to deny access; update audio files
• Option to skip checking of database tables during connection
• Added composer.json to package, submit to packagist

What is new in version 3.5.1:

• Fixed XSS vulnerability in example_form.php.

What is new in version 2.0.1 BETA:

• Add support for browsers with cookies disabled (requires php5, sqlite) maps users to md5 hashed ip addresses and md5 hashed codes for security
• Add fallback to gd fonts if ttf support is not enabled or font file not found.
• Check for previous definition of image type constants.
• Fix mime type settings for audio output
• Fixed color allocation issues with multiple colors and background images, consolidate allocation to one function
• Ability to let codes expire after a given length of time
• Allow HTML color codes to be passed to Securimage_Color.