Php implements verification code production, php implements verification code _ PHP Tutorial

Php implements the verification code production, and php implements the verification code. Php implements verification code production. php implements the verification code to show the approximate effect first. then, paste the code directly? Php $ imageimagecreatetruecolor (, 30); create a canvas $ I php to implement verification code production, php to implement verification code

First, let's take a look at the general effect.

Then, paste the code directly.

Http://www.bkjia.com/PHPjc/1012939.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/1012939.htmlTechArticlephp to achieve the verification code production, php to achieve the verification code first look at the general effect so the next directly paste the code? Php $ image = imagecreatetruecolor (100, 30); // Create a canvas $ I...