Simple PHP math logic captcha – to help prevent form spam 9

Simple PHP math logic captcha - to help prevent form spam
Why a simple PHP Math Captcha ? If you’re reading this you’re probably aware there are a ton of on-line captcha services like Re-Captcha, hCaptcha ,to help keep your forms and user submitted input free of bot spam,  and other nonsense.  But most require registration with capthca service, setting up API keys etc, so it’s ...