[PHP GD库]⑥--验证码函数封装

verify.func.php

 0) {
        for ($i = 1; $i <= $pixel; $i++) {
            imagesetpixel($image, mt_rand(0, $width), mt_rand(0, $height), getRandColor($image));
        }
    }
    if ($line > 0) {
        for ($i = 1; $i <= $line; $i++) {
            imageline($image, mt_rand(0, $width), mt_rand(0, $height), mt_rand(0, $width), mt_rand(0, $height), getRandColor($image));
        }
    }
    if ($arc > 0) {
        for ($i = 1; $i <= $arc; $i++) {
            imagearc($image, mt_rand(0, $width / 2), mt_rand(0, $height / 2), mt_rand(0, $width), mt_rand(0, $height), mt_rand(0, 360), mt_rand(0, 360), getRandColor($image));
        }
    }


    header('content-type:image/png');
    imagepng($image);
    imagedestroy($image);

}

getVerify('fonts/simsunb.ttf', 3);

?>

reg.php

    
    


IMOOC注册页面

    

        

            
用户名
            

        
        

            
密码
            

        
        

            
验证码
            

                ![](verify.func.php)看不清，换一个
            
        
        

            

        
    

doAction.php

";
var_dump($_SESSION);
?>

Paste_Image.png

Paste_Image.png