what is captcha test

After groping, finally can apply the verification code in Laravel 5.1.Because the English slag five levels, so almost no search for anything useful, so consider on GitHub search verification Code pack!Note: The package on GitHub often has

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

Captcha (automatic distinction between computer and human Turing Test-completely Automated public Turing test to tell Computers and humans Apart, abbreviated as Captcha) commonly known as CAPTCHA, is a public automatic program that distinguishes

Yii built-in Captcha basically can meet most requirements, if you have special requirements for verification code, you can customize the CAPTCHA, which is mainly through the extension of ccaptchaaction to achieve, this example to customize a

PHP development framework YiiFramework tutorial (20) UI component Captcha example Captcha (a Completely Automated Turing test that distinguishes Computers from Humans-Completely automation Public Turing test to tell Computers and Humans Apart,

PHP code for simple Verification Code identification, PHP CAPTCHA codes Always wanted to write this, after a long time today interest came to simply record. Verification Code Fully automatic distinguish between computer and human public Turing Test

sname = $sname = = '? ' M_captcha ': $sname; /** generate a CAPTCHA picture * @param int $length authentication length * @param Array $param parameters * @return IMG * * Public Function Create ($length =4, $param =array ())

Implementation of dynamic random verification code mechanism in PHPThe Verification Code (CAPTCHA) is the abbreviation for "Completely Automated public Turing test to tell Computers and humans Apart" (fully automated computer-and human-Turing test),

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

Captcha (fully automatic distinction between computer and human Turing Test-completely Automated public Turing test to tell Computers and humans Apart) is commonly known as the authentication Code, is a public automatic program that distinguishes