How to make a very basic captcha image and validate the form input to make sure the code matches. Does not use sessions of any sort. The image also just uses the built in PHP fonts so no need to load font files. I also put three random lines in the

CAPTCHA CONTROL: myImageSecurity v 1.1 (With and Without GD Both Versions) This code provides Man-Machine Interaction (Human Interaction) for Web The security string is generated with randon angles. This simple but Powerful PHP is code used to verif

Some operating systems support more than one type of hash. In fact, sometimes the standard DES-based algorithm is replaced by an MD5-based algorithm. The hash type is triggered by the salt argument. Prior to 5.3, PHP would determine the available alg

AES Implementation in PHP