三种php汉字英文验证代码生成程序(1/4)

三种php教程汉字英文验证代码生成程序

$ChineseChar = explode(',',"人,出,来,友,学,孝,仁,义,礼,廉,忠,国,中,易,白,者,火 ,王,金,木,雷,风,龙,虎,天,地, 生,晕,菜,鸟,田,三,百,钱,福 ,爱,情,兽,虫,鱼,九,网,新,度,哎,唉,啊,哦,仪,老,少,日, 月 ,星,肯,各,程");
$k[0]=$ChineseChar[array_rand($ChineseChar)];
$k[1]=$ChineseChar[array_rand($ChineseChar)];
$k[2]=$ChineseChar[array_rand($ChineseChar)];
$k[3]=$ChineseChar[array_rand($ChineseChar)];
$cookie_str=implode('', $k);
setcookie('vrify',md5($cookie_str),time()+600);
$str[0]=iconv('gb2312','UTF-8',$k[0]);
$str[1]=iconv('gb2312','UTF-8',$k[1]);
$str[2]=iconv('gb2312','UTF-8',$k[2]);
$str[3]=iconv('gb2312','UTF-8',$k[3]);
//构造图像
$x_size=100;
$y_size=25;
$font='simhei.ttf';
$pic=imagecreate($x_size,$y_size);
$background_color = imagecolorallocate ($pic, 255, 255, 255);
$foregroundArr = array(imagecolorallocate($pic, rand(0, 20), rand(0, 20), rand(0, 20)),
                                      imagecolorallocate($pic, rand(0, 20), rand(0, 10), rand(245, 255)),
                                      imagecolorallocate($pic, rand(245, 255), rand(0, 20), rand(0, 10)),
                                      imagecolorallocate($pic, rand(245, 255), rand(0, 20), rand(245, 255)));
imagettftext($pic,mt_rand(12,15),mt_rand(-8,8),6,mt_rand(19,22),$foregroundArr[rand(0,3)],$font,$str[0]);
imagettftext($pic,mt_rand(15,17),mt_rand(-8,8),26,20,$foregroundArr[rand(0,3)],$font,$str[1]);
imagettftext($pic,mt_rand(12,15),mt_rand(-8,8),46,20,$foregroundArr[rand(0,3)],$font,$str[2]);
imagettftext($pic,mt_rand(15,17),mt_rand(-8,8),66,mt_rand(19,22),$foregroundArr[rand(0,3)],$font,$str[3]);
for ($i=0;$i       {
       $pointcol = imagecolorallocate($pic, rand(0,255), rand(0,255), rand(0,255));
              imagesetpixel($pic,rand(2,$x_size-2),rand(2,$y_size-2),$pointcol);
       }
$border = imagecolorallocate($pic, 133, 153, 193);
imagerectangle($pic, 0, 0, $x_size - 1, $y_size - 1,$border);
imagepng($pic);
imagedestroy($pic);
?>

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