solution captcha

1, installation We install the Captcha expansion pack via Composer: Composer require Mews/captcha Note: Using this expansion pack in Windows also requires the installation of the GD2 extension (php.ini to cancel Php_gd2.dll in the previous

ProblemIn a less fortunate situation, people use automated programs to submit forms, causing a lot of rubbish throughout the internet. One way to prevent this is to use a CAPTCHA---CAPTCHA: fully automated to differentiate between computer and human

Topics Many automatedProgramThe form is automatically submitted, causing a large amount of junk data on the Internet. To prevent this situation, we have implemented a graphic Verification Code (CAPTCHA:Completely automated public Turing test to

Ubuntu PHP server, captcha picture does not show characters, what's going on Ubuntu PHP server, captcha picture does not display characters, what's going on? There is a picture generated, that is, no character display. Is the character set wrong?

Ubuntu PHP server, captcha picture does not show characters, what's going on Ubuntu PHP server, captcha picture does not display characters, what's going on? There is a picture generated, that is, no character display. Is the character set wrong?

Want to save the captcha image on someone else's website, or display the same captcha image on my website. As a result, the verification code on his website is What the hell is this? How to save this verification code locally, or refer to this image.

Refreshing the browser is normal. How to solve, what code can force the verification code re-loaded. Reply to discussion (solution) Add a js random parameter after the generated address, url?r=math.random () "> You add a non-cached header

The problem with my PHP captcha is this: Image corrupt or Truncated:http://localhost/htsys/?c=login&m=yzm No matter how I debug always can not display the captcha picture, prompting the image for its own reasons can not be displayed ... Tangled Up

solution to get no verification code when TP router creates ID first, confirm line connection is correct When you create a Tp-link ID, you need to confirm that the phone or mailbox received the authentication code, if you fill out the information

The content of this tutorial is close to the technical direction I am good at: Safe contact forms. As I mentioned in the previous tutorial, A common contact form helps a visitor communicate with you without exposing your email address to the