- <?php
- function code(){
- $im = imagecreatetruecolor(100, 40);
- $black = imagecolorallocate($im, 0, 0, 0);
- $white = imagecolorallocate($im, 255, 255, 255);
- imagefill($im,0,0,$white);
- $strarr=array_merge(range(0,9),range(a,z),range(A,Z));
- shuffle($strarr);
- $str=join(array_slice($strarr,0,4));
- $mm=rand(0,40);
- $aaa=rand(0,0);
- $bbb=rand(0,255);
- $ccc=rand(0,255);
- $color1=imagecolorallocate($im,$aaa,$bbb,$ccc);
- imagestring($im,5,$mm,10,$str,$color1);
- for($i=0;$i<700;$i++){
- $aa=rand(0,255);
- $bb=rand(0,255);
- $cc=rand(0,255);
- $color=imagecolorallocate($im,$aa,$bb,$cc);
- $a=rand(0,100);
- $b=rand(0,40);
- imagesetpixel($im,$a,$b,$color);
- }
- for($t=0;$t<3;$t++){
- $a1=rand(0,255);
- $b1=rand(0,255);
- $c1=rand(0,255);
- $color2=imagecolorallocate($im,$a1,$b1,$c1);
- $a2=rand(0,100);
- $b2=rand(0,40);
- $a3=rand(0,100);
- $b3=rand(0,40);
- imageline($im,$a2,$b2,$b3,$b3,$color2);
- }
- header("content-type:image/png");
- imagepng($im);
- }
- code() ;
- ?>
- //该片段来自于http://www.codesnippet.cn/detail/2211201615153.html
来源: http://www.codesnippet.cn/detail/2211201615153.html