Three PHP kanji English validation Code generation Program (_php) tutorial

Three PHP tutorials Chinese characters English validation code generation program

$ChineseChar = Explode (', ', "People, out, come, friends, learning, filial piety, benevolence, righteousness, propriety, low, loyal, state, medium, easy, white, person, fire, king, Gold, wood, thunder, Wind, dragon, Tiger, day, ground, birth, halo, Dish, bird, field, three, hundred, money, blessing, love, affection, beast, insect, fish, nine, net, New, degrees, Ay, alas, Ah, oh, Miriam, old, Little, day, month, star, Ken, each, Cheng ");
$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]);
Constructing images
$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,), rand (0,), rand (0, 20)),
Imagecolorallocate ($pic, rand (0,), rand (0, 245, 255)),
Imagecolorallocate ($pic, rand (245, 255), rand (0,), rand (0, 10)),
Imagecolorallocate ($pic, rand (245, 255), rand (0,), rand (245, 255)));
Imagettftext ($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 <80; $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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http://www.bkjia.com/PHPjc/444920.html www.bkjia.com true http://www.bkjia.com/PHPjc/444920.html techarticle Three PHP tutorials Chinese English validation code generator $ChineseChar = Explode (', ', people, out, come, friends, learn, filial piety, benevolence, righteousness, ritual, low, loyal, Kingdom, Medium, easy, white, fire, king, Gold, wood, thunder, Wind, Dragon, Tiger, Sky, land ...

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