三种php汉字英文验证代码生成程序(1/4)_PHP教程

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

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