Home >Backend Development >PHP Tutorial >產生圖片隨機字串_php实例
產生圖片隨機字串_php实例
- WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOriginal
- 2016-06-07 17:27:11933browse
$base = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
$words = 5;
$rand_top = strlen($base) - 1;
$string = '';
header("Content-type: image/png");
$im = imagecreate($words*16, $words*5);
$black = imagecolorallocate($im, 90, 60, 120);
$white = imagecolorallocate($im, 255, 255, 255);
for($i=0;$i $idx = mt_rand(0, $rand_top);
imagestring($im, 3, $i*15+2, mt_rand(0, $words*2), $base[$idx], $white);
}
imagepng($im);
imagedestroy($im);
?>
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：PHP完整的日历类(CLASS)_php实例Next article：xajax写的留言本_php实例