$imstr
[0]["x"] = rand(2,5);
$imstr
[0]["y"] = rand(1,4);
//获取第 2 个随机文字
//$imstr[1]["s"] = $Str[rand(0,2)][rand(0,25)];
$imstr
[1]["x"] =
$imstr
[0]["x"]+
$font_size
-1+rand(0,1);
$imstr
[1]["y"] = rand(1,3);
//获取第 3 个随机文字
//$imstr[2]["s"] = $Str[rand(0,2)][rand(0,25)];
$imstr
[2]["x"] =
$imstr
[1]["x"]+
$font_size
-1+rand(0,1);
$imstr
[2]["y"] = rand(1,4);
//获取第 4 个随机文字
//$imstr[3]["s"] = $Str[rand(0,2)][rand(0,25)];
$imstr
[3]["x"] =
$imstr
[2]["x"]+
$font_size
-1+rand(0,1);
$imstr
[3]["y"] = rand(1,3);
//写入随机字串
for
(
$i
=0;
$i
<4;
$i
++){
//获取随机较深颜色
$text_color
= imagecolorallocate(
$im
,rand(80,180),rand(80,180),rand(80,180));
//画文字
imagechar(
$im
,
$font_size
,
$imstr
[
$i
]["x"],
$imstr
[
$i
]["y"],
$imstr
[
$i
]["s"],
$text_color
);
}
//显示图片
imagepng(
$im
);
//销毁图片
imagedestroy(
$im
);
exit
;
}
else
{
header("Pragma:no-cache");
header("Cache-control:no-cache");
header("ContentType: Image/BMP");
$Color
[0] =
chr
(0).
chr
(0).
chr
(0);
$Color
[1] =
chr
(255).
chr
(255).
chr
(255);
$_Num
[0] =
"11100001111101111011110111101111010010111101001011110100101111010010111101111011
11011110111110000111";
$_Num
[1] =
"11110111111100011111111101111111110111111111011111111101111111110111111111011111111
10111111100000111";
$_Num
[2] =
"1110000111110111101111011110111111111011111111011111111011111111011111111011111111
011110111100000011";
$_Num
[3] =